Top Tropicals Plant Encyclopedia
- 101 of Top Tropicals Plant Catalog (Advanced Plant Finder and Identification)
- Abelia grandiflora (Glossy Abelia, Family: Caprifoliaceae )
- Abelia sp. (Abelia, Family: Caprifoliaceae )
- Abelmoschus esculentus, Hibiscus esculentus (Okra, Bamia, Gombo, Family: Malvaceae )
- Abelmoschus manihot (South Sea Salad Tree, Bele tree, Sunset Muskmallow, Sunset Hibiscus, Hibiscus Manihot, Family: Malvaceae )
- Abelmoschus moschatus, Hibiscus abelmoschus (Musk Mallow, Family: Malvaceae )
- Abroma augusta (Devil Cotton, Family: Malvaceae )
- Abrus precatorius (Buddhist rosary bead, Rosary pea vine, Carolina muida, Deadly crab's eye, Lucky bean, Prayer beads, Weather plant, Wild liquorice, Family: Fabaceae )
- Abutilon grandifolium, Sida grandifolia (Hairy Indian Mallow, Hairy Abutilon, Family: Malvaceae )
- Abutilon indicum, Sida indica, Abutilon hirtum (Indian mallow, Family: Malvaceae )
- Abutilon megapotamicum, Abutilon vexillarium, Callianthe megapotamica (Flowering Maple, Trailing Abutilon, Brazilian Bell-flower, Family: Malvaceae )
- Abutilon pictum (Golden Rain Flowering Maple, Thompsons Flowering Maple, Bell Flower, Family: Malvaceae )
- Abutilon sp. (Flowering Maple, Weeping Maple,Chinese Lantern, Family: Malvaceae )
- Abutilon vitifolium, Corynabutilon vitifolium (Vine-leaved Abutilon, Flowering Maple, Indian Mallow, Family: Malvaceae )
- Acacia adoxa (Acacia, Family: Fabaceae )
- Acacia auriculiformis (Darwin Black Wattle, Ear Pod Wattle, Family: Fabaceae )
- Acacia baileyana, Variety/cultivar: 'Purpurea' (Purple Fernleaf Acacia, Family: Fabaceae )
- Acacia cavenia, Mimosa caven (Espino Cavan, Roman Cassie, Family: Fabaceae )
- Acacia cultriformis (Knife-leaf Wattle, Dogtooth Wattle, Half-moon Wattle, Golden-glow Wattle, Family: Fabaceae )
- Acacia dealbata (Silver Wattle, Winter Mimosa tree, Family: Fabaceae )
- Acacia decurrens (Black Wattle, Family: Fabaceae )
- Acacia glaucoptera (Clay Wattle, Queen Wattle, Family: Fabaceae )
- Acacia iteaphylla (Willow-leaf Wattle, Family: Fabaceae )
- Acacia mangium (Mangium Wattle, Black Wattle, Hickory Wattle, Family: Fabaceae )
- Acacia nematophylla (Acacia, Family: Fabaceae )
- Acacia pendula (Weeping Myall, Silver-leaf Boree, Family: Fabaceae )
- Acacia pravissima (Ovens Wattle, Family: Fabaceae )
- Acacia redolens (Trailing Acacia, Bank Catclaw, Family: Fabaceae )
- Acacia saligna (Golden Wattle, Long-leaved Wattle, Long-leaved Acacia, Sallow Wattle, Coast Wattle, Golden Rods, Family: Fabaceae )
- Acacia sp. (Prickly Moses, Khair, Family: Fabaceae )
- Acalypha godseffiana (Copper Leaf, Beefsteak Plant, Fire dragon, Jacobs coat, Match-me-if-you-can, Three-seeded Mercury, Family: Euphorbiaceae )
- Acalypha godseffiana, Variety/cultivar: 'Heterophylla' (Copper Leaf, Beefsteak Plant, Fire Dragon, Jacobs Coat, Family: Euphorbiaceae )
- Acalypha hispaniolae, Acalypha pendula (Strawberry Firetails, Dwarf Cat Tails, Kitten's Tail, Trailing Acalypha, Firetail Chenille Plant, Family: Euphorbiaceae )
- Acalypha hispida (Cat Tail, Chenille Plant, Red Hot Cattail, Foxtail, Red Hot Poker, Family: Euphorbiaceae )
- Acalypha sp., Variety/cultivar: Inferno (Flame Copper leaf, Family: Euphorbiaceae )
- Acalypha wilkesiana (Fire Dragon Acalypha, Hoja de Cobre, Copper Leaf, Family: Euphorbiaceae )
- Acanthocereus tetragonus, Acanthocereus pentagonus (Night-blooming Cereus, Barbed-wire Cactus, Sword-pear, Family: Cactaceae )
- Acanthostachys strobilacea (Pinecone Bromeliad, Family: Bromeliaceae )
- Acanthus ilicifolius (Holly-leaved Acanthus, Sea Holly, Holy Mangrove, Family: Acanthaceae )
- Acanthus sp. (Acanthus, Bear's Breeches, Mountain Thistle, Alligator Plant, Family: Acanthaceae )
- Acer japonicum (Amur maple, Downy Japanese maple, Fullmoon maple, Family: Sapindaceae )
- Acer palmatum (Japanese maple, Palmate maple, Smooth Japanese maple, Family: Sapindaceae )
- Acer sp. (Red Maple, Soft Maple, Family: Sapindaceae )
- Achetaria azurea, Otacanthus caeruleus (Brazilian Snapdragon, Amazon Blue, Family: Plantaginaceae )
- Achillea sp. (Yarrow, Thousand-leaf, Milfoil, Sneezewort, Soldier's Friend, Family: Asteraceae )
- Achimenes sp. (Cupid's Bower, Hot Water Plant, Monkey-Faced Pansy, Magic Flower, Orchid Pansy, Family: Gesneriaceae )
- Acisanthera sp. (Acisanthera, Family: Melastomataceae )
- Acmella oleracea, Spilanthes oleracea (Toothache Plant, Paracress, Botox Plant, Jambu, Family: Asteraceae )
- Acmella sp. (Acmella, Family: Asteraceae )
- Acnistus arborescens (Hollowheart, Wild Tabbaco, Family: Solanaceae )
- Acoelorrhaphe wrightii (Paurotis, Silver Saw Palmetto, Everglades Palm, Family: Arecaceae / Palmae )
- Acokanthera oblongifolia, Acokanthera spectabilis, Carissa spectabilis (Bushman's Poison, Wintersweet, Family: Apocynaceae )
- Acokanthera oppositifolia (Bushman's Poison, Family: Apocynaceae )
- Aconitum sp. (Monkshood, Wolfsbane, Family: Ranunculaceae )
- Acorus gramineus, Variety/cultivar: variegatum (Sweet Flag, Family: Acoraceae )
- Acrocarpus fraxinifolius (Pink Cedar, Balangi, Kurungatti, Family: Fabaceae )
- Acrostichum aureum (Piai Raya, Golden Leather Fern, Mangrove Fern , Family: Pteridaceae )
- Actinidia arguta (Hardy Kiwifruit, Kiwi Berry, Arctic Kiwi, Baby Kiwi, Dessert Kiwi, Grape Kiwi, Northern Kiwi, Family: Actinidiaceae )
- Actinidia chinensis (Kiwi Fruit, Family: Actinidiaceae )
- Actinidia deliciosa (Kiwi Fruit, Chinese Gooseberry, Family: Actinidiaceae )
- Actinidia kolomikta (Kiwi, Family: Actinidiaceae )
- Actinidia sp. (Actinidia, Kiwi, Family: Actinidiaceae )
- Actiniopteris semiflabellata (Eyelash Fern, Family: Pteridaceae )
- Actinodium cunninghamii (Swamp Daisy, Family: Myrtaceae )
- Adansonia digitata (Baobab, Cream of Tartar tree, Monkey-bread tree, Lemonade tree, Upside-down Tree, Family: Malvaceae )
- Adansonia grandidieri (Grandidier's Baobab, Giant Baobab, Family: Malvaceae )
- Adansonia gregorii (Boab, Baobab, Australian Bottle Tree, Family: Malvaceae )
- Adansonia madagascariensis (Madagascar Baobab, Family: Malvaceae )
- Adansonia rubrostipa (Baobab, Family: Malvaceae )
- Adansonia za (Baobab, Family: Malvaceae )
- Adelonema pallidinervium (Adelonema, Family: Araceae )
- Adenanthera pavonina (Red Sandalwood, Coral Bean Tree, Saga, Sagaseed Tree, Red-bead Tree, Raktakambal, Kokriki, Family: Fabaceae )
- Adenanthos sericeus (Coastal Woolly Bush, Family: Proteaceae )
- Adenia fruticosa (Adenia, Family: Passifloraceae )
- Adenia glauca (Adenia, Family: Passifloraceae )
- Adenia heterophylla, Modecca heterophylla (Adenia, Family: Passifloraceae )
- Adenia keramanthus (Adenia, Family: Passifloraceae )
- Adenia stylosa (Adenia, Candlestick Plant, Family: Passifloraceae )
- Adenia venenata, Modecca abyssinica (Adenia, Family: Passifloraceae )
- Adenium arabicum (Desert Rose, Family: Apocynaceae )
- Adenium boehmianum (Desert Rose, Family: Apocynaceae )
- Adenium multiflorum (Desert Rose, Family: Apocynaceae )
- Adenium obesum (Desert Rose, Impala Lily, Family: Apocynaceae )
- Adenium somalense (Desert Rose, Family: Apocynaceae )
- Adenium sp. , Variety/cultivar: dark-colored flower (Black Desert Rose, Family: Apocynaceae )
- Adenium sp. , Variety/cultivar: yellow flower (Yellow Desert Rose, Family: Apocynaceae )
- Adenium sp. (Adenium, Desert Rose, Impala Lily, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: variegatum (Variegated Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Candy' (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Peach' ('Peach' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: single flower (Desert Rose, Impala Lily, Adenium hybrids, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Chok Dee' ('Chok Dee' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Ram Ruay' (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: double flower (Double Flower Desert Rose Hybrid, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Black Boy' ('Black Boy' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Think of You' ('Think of You' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Caramel' ('Caramel' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Sherbet' ('Sherbet' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Black Asia' ('Black Asia' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Black Rahu' ('Black Rahu' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Black Swan' ('Black Swan' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Good Night' ('Good Night' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Miss Ninja' ('Miss Ninja' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Marigold' ('Marigold' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Uncle Tu' (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Black Magic' ('Black Magic' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Black Sheep' ('Black Sheep' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: Black Widow ('Black Widow' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Immortality' ('Immortality' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'King of Purple' ('King of Purple' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Purple Ruby' ('Purple Ruby' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: Adenium 'Nok' ('Nok' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Black Border' ('Black Border' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Black Purple' ('Black Purple' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Lovely Black' ('Lovely Black' Desertr Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Moung Kusuma' ('Moung Kusuma' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: Adenium 'Reddy Purple' ('Reddy Purple' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Dang Hassadee' ('Dang Hassadee' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Moung Mongkol' ('Moung Mongkol' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Taiwan Purple' ('Taiwan Purple' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Prew' ('Prew' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Giant' ('Giant' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Harry' ('Harry' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Arrow' ('Arrow' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Superbar' ('Superbar' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Cotton Candy' ('Cotton Candy' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Thong Samsee' ('Thong Samsee' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Black Amaryllis' ('Black Amaryllis' Desert Rose, Family: Amaryllidaceae )
- Adenium sp., Variety/cultivar: 'Bo Tun' ('Bo Tun' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Best of Siam' (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Golden Buddha' ('Golden Buddha' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Golden Carrot' ('Golden Carrot' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: Thong Saprang ('Thong Saprang' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Tong Panchang' ('Tong Panchang' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Chandra' ('Chandra' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Classic' ('Classic' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Ferrari' ('Ferrari' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Ploysai' ('Ploysai' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Pratuma' ('Pratuma' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Rainbow' ('Pink Lady') ('Rainbow' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Sai Fah' ('Sai Fah' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Sweetie' ('Sweetie' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Unicorn' ('Unicorn' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Thong Panchang' ('Thong Panchang' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Chai Lai' (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Cham Fah' ('Cham Fah' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Elegance' ('Elegance' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Kulabhin' ('Kulabhin' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Nam Whan' (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Red Star' ('Red Star' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Sunshine' ('Sunshine' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Double Pink' variegated ('Double Pink' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Bua Sawan' ('Bua Sawan' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Carnation' (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Chocolate' ('Chocolate' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Good Luck' ('Good Luck' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Mee Stang' ('Mee Stang' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Milkshake' ('Milkshake' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'One Heart' ('One Heart' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Star Pink' ('Star Pink' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Double Waterfall' ('Double Waterfall' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Lucky in Love' ('Lucky in Love' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Prakry Dao' ('Prakry Dao' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Ploy Pakay' ('Ploy Pakay' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Snow White' ('Snow White' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Sweet Lady' ('Sweet Lady' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Sweetheart' ('Sweetheart' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Xmas Santa' ('Xmas Santa' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Siam Yellow Smile' ('Siam Yellow Smile' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Star of Yellow Dream' ('Star of Yellow Dream' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Bua Chompoo' ('Bua Chompoo' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Cherry Bomb' ('Cherry Bomb' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Money Money' ('Money Money' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Moung Sakda' double (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Pohrn Sawan' ('Pohrn Sawan' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Purple Rose' ('Purple Rose' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Sab Somboon' ('Sab Somboon' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'White Angel' ('White Angel' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Golden Millionaire' ('Golden Millionaire' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Beauty Queen' ('Beauty Queen' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Sab Anan Red' ('Sab Anan Red' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Scarlet Gold' ('Scarlet Gold' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'White Rabbit' ('White Rabbit' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Chot Rassamee' ('Chot Rassamee' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Giant Diamond' ('Giant Diamond' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Jasmine White' ('Jasmine White' Desert Rose)
- Adenium sp., Variety/cultivar: 'Miss Universe' ('Miss Universe' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Shocking Pink' ('Shocking Pink' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Thong Suk Jai' ('Thong Suk Jai' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Wonderful Purple' varirgated (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Wonderful Yellow' variegated ('Wonderful Yellow' Desert Rose)
- Adenium sp., Variety/cultivar: 'Dang Sab Jaren' ('Dang Sab Jaren' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'White Princess' ('White Princess' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Wonderful Red' variegated ('Wonderful Red' variegated Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Beautiful Smile' ('Beautiful Smile' Desert Rose, Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Fighting Fishtail' (Family: Apocynaceae )
- Adenium sp., Variety/cultivar: 'Frozen White' variegated ('Frozen White' variegated Desert Rose, Family: Apocynaceae )
- Adenium swazicum (Desert Rose, Family: Apocynaceae )
- Adenocalymna comosum, Bignonia comosa (Yellow Trumpet Vine, Family: Bignoniaceae )
- Adenolobus sp. (Adenolobus, Family: Fabaceae )
- Adiantum peruvianum (Silver Dollar, Family: Pteridaceae )
- Adiantum sp. (Maidenhair Fern, Family: Pteridaceae )
- Adinandra sp. (Adinandra, Family: Pentaphylacaceae )
- Adonidia merrillii, Veitchia merrilli (Christmas Palm, Family: Arecaceae / Palmae )
- Aechmea fasciata (Silver Vase, Family: Bromeliaceae )
- Aechmea sp. (Bromeliad, Family: Bromeliaceae )
- Aechmea sphaerocephala (Aechmea Bromeliad, Urn Plant, Family: Bromeliaceae )
- Aegle marmelos (Bael, Bengal Quince, Indian Bael, Wood Apple, Matoom, Family: Rutaceae )
- Aeonium arboreum, Sempervivum arboreum (Tree Aeonium, Houseleek Tree, Irish Rose, Family: Crassulaceae )
- Aeonium sedifolium (Dwarf Aeonium, Family: Crassulaceae )
- Aeonium sp. (Aeonium, Family: Crassulaceae )
- Aerangis hariotiana, Microterangis hariotiana, Chamaeangis hariotiana (Hariot's Microterangis, Family: Orchidaceae )
- Aerangis luteoalba, Angraecum rhodostictum (Beige Aerangis, Family: Orchidaceae )
- Aerides odorata (Fragrant Aerides, Family: Orchidaceae )
- Aeschynanthus longicaulis, Aeschynanthus marmoratus (Zebra Basket Vine, Family: Gesneriaceae )
- Aeschynanthus radicans, Aeschynanthus lobbianus (Lipstick Plant, Family: Gesneriaceae )
- Aeschynanthus sp. (Lipstick Plant, Lipstick Vine, Family: Gesneriaceae )
- Aeschynanthus speciosus (Basket Plant, Lipstick Plant, Family: Gesneriaceae )
- Aesculus californica (California Buckeye, California Horse-chestnut, Family: Sapindaceae )
- Aesculus flava (Yellow Buckeye, Family: Sapindaceae )
- Aesculus parviflora (Bottlebrush Buckeye, Small-flowered Buckeye, Family: Sapindaceae )
- Aesculus sp. (Buckeye, Horse Chestnut, Horse-chestnut, Family: Sapindaceae )
- Aesculus x carnea (Red Horsechestnut, Family: Sapindaceae )
- Aetanthus nodosus (Aetanthus , Family: Loranthaceae )
- Afgekia mahidolae (Afgekia, Family: Fabaceae )
- Afgekia sericea (Silky Afgekia, Family: Fabaceae )
- Aframomum sp. (Aframomum, Melegueta pepper, Guinea grain, Guinea pepper, Alligator Pepper, Grains of Paradise, Family: Zingiberaceae )
- Afrocarpus gracilior, Podocarpus gracilior (African Fern Pine, Family: Podocarpaceae )
- Afrocarpus mannii, Podocarpus mannii (Afrocarpus, Family: Podocarpaceae )
- Afzelia xylocarpa (Craib, Makha Tree, Cambodia Beng Tree, Family: Fabaceae )
- Aganosma marginata (Khruea Sai Tan, Family: Apocynaceae )
- Agapanthus sp. (African Lily, Family: Amaryllidaceae )
- Agapetes serpens, Vaccinium serpens (Creeping Agapetes, Family: Ericaceae )
- Agathis robusta (Queensland Kauri, Smooth-barked Kauri, Family: Araucariaceae )
- Agathosma gonaquensis (Gonaqua Buchu, Family: Rutaceae )
- Agave americana (Century plant, Family: Asparagaceae )
- Agave amica, Polianthes tuberosa (Tuberose, Family: Asparagaceae )
- Agave angustifolia, Variety/cultivar: 'Marginata' (Agave Maguey Lechugilla, Family: Asparagaceae )
- Agave attenuata (Fox Tail Agave, Swan's Neck Agave, Family: Asparagaceae )
- Agave neglecta (Small agave, Family: Asparagaceae )
- Agave sp. (Agave, Family: Asparagaceae )
- Agave tequilana (Tequila Agave, Century Plant, Family: Asparagaceae )
- Ageratum conyzoides (Mexican Ageratum, Yoat Weed, Family: Asteraceae )
- Ageratum houstonianum (Flossflower, Family: Asteraceae )
- Aglaia argentea (Silver Boodyarra, Family: Meliaceae )
- Aglaia korthalsii, Aglaia aquatica, Aglaia cauliflora (Aglaia, Sang Kreyt, Family: Meliaceae )
- Aglaia odorata (Chinese Perfume Plant, Chinese Rice Flower, Mock Lemon, Family: Meliaceae )
- Aglaia odorata, Variety/cultivar: Gigantea (Giant Rice Flower, Perfume Flower, Family: Meliaceae )
- Aglaia sapindina, Aglaia novaguineensis (Luka-luka Ma, Family: Meliaceae )
- Aglaonema commutatum (Poison Dart Plant, Family: Araceae )
- Aglaonema costatum (Spotted Evergreen, Family: Araceae )
- Aglaonema nitidum (Chinese Evergreen, Painted Drop Tongue, Silver Evergreen, Family: Araceae )
- Aglaonema rotundum (Chinese Evergreen, Family: Araceae )
- Aglaonema sp. (Chinese Evergreen, Family: Araceae )
- Aglaonema sp., Variety/cultivar: 'King of Siam' (Aglaonema 'King of Siam', Family: Araceae )
- Agonis flexuosa (Willow Myrtle, Western Australian Peppermint, Family: Myrtaceae )
- Aiphanes horrida, Aiphanes aculeata, Aiphanes caryotifolia, Martinezia truncata (Devil Palm, Ruffle Palm, Spine Palm, Family: Arecaceae / Palmae )
- Aiphanes minima, Bactris minima (Macaw Palm, Family: Arecaceae / Palmae )
- Ajania pacifica, Chrysanthemum pacificum (Pacific Chrysanthemum, Family: Asteraceae )
- Akebia quinata (Chocolate Vine, Five-leaf Akebia, Family: Lardizabalaceae )
- Akebia trifoliata (Chocolate Vine, Three-leaf Akebia , Family: Lardizabalaceae )
- Alangium salviifolium (Sage-leaf Alangium, Family: Alangiaceae )
- Alberta magna (Natal flame bush, Family: Rubiaceae )
- Albizia julibrissin (Silk Tree, Family: Fabaceae )
- Albizia lebbeck, Mimosa lebbeck (Womans tongue, Siris-tree, Rain tree, East Indian walnut, Kokko, Soros-tree, Raom tree, Family: Fabaceae )
- Albizia sp. (Albizia, Family: Fabaceae )
- Albuca spiralis (Frizzle Sizzle, Corkscrew Albuca, Family: Asparagaceae )
- Alcantarea imperialis, Vriesea imperialis (Giant Bromeliad, Family: Bromeliaceae )
- Alectryon tomentosus (Hairy alectryon, Woolly rambutan, Hairy bird's eye, Family: Sapindaceae )
- Aleurites moluccana, Aleurites triloba, Croton moluccanus (Candlenut oil tree, Candleberry, Varnish tree, Indian or Belgaum Walnut, Kemiri, Kukui nut tree, Family: Euphorbiaceae )
- Allagoptera caudescens (Buri Palm, Family: Arecaceae / Palmae )
- Allamanda blanchetii, Allamanda violacea (Cherry Allamanda, Purple Allamanda, Family: Apocynaceae )
- Allamanda cathartica, Allamanda nerifolia (Golden Trumpet Shrub, Family: Apocynaceae )
- Allamanda hendersonii, Allamanda cathartica var. hendersonii (Golden Trumpet Vine, Family: Apocynaceae )
- Allamanda schottii, Allamanda neriifolia (Dwarf Golden Trumpet, Family: Apocynaceae )
- Allamanda sp., Variety/cultivar: Alba (Allamanda Blanca, Family: Apocynaceae )
- Allamanda violacea, Variety/cultivar: Cream (Allamanda, Family: Apocynaceae )
- Allamanda williamsii (Golden Trumpet Vine, Family: Apocynaceae )
- Allamanda x violacea Cabernet (Mini Red Allamanda, Cabernet Allamanda, Family: Apocynaceae )
- Allanblackia sp. (Tallow Tree, Family: Clusiaceae / Guttiferae )
- Allophylus sp. (False Currant, Family: Sapindaceae )
- Alluaudia comosa (Hairy Alluaudia, Family: Didiereaceae )
- Alluaudia dumosa (Alluaudia, Family: Didiereaceae )
- Alluaudia procera (Madagascar Ocotillo, African Ocotillo, Family: Didiereaceae )
- Alluaudia sp. (Alluaudia, Family: Didiereaceae )
- Alocasia baginda (Alocasia Dragon Scale, Family: Araceae )
- Alocasia clypeolata (Green Shield Alocasia, Family: Araceae )
- Alocasia cucullata (Lucky Leaf, Heart Shaped Elephant Ear, Buddha's Hand, Family: Araceae )
- Alocasia cuprea (Mirror Plant, Jewel Alocasia, Family: Araceae )
- Alocasia lauterbachiana (Alocasia, Family: Araceae )
- Alocasia macrorrhizos (Giant Taro, Giant Elephant Ear, Upright Elephant Ear, Family: Araceae )
- Alocasia odora (Giant Upright Elephant Ear, Family: Araceae )
- Alocasia reginula, Variety/cultivar: 'Black Velvet' (Dwarf Alocasia, Family: Araceae )
- Alocasia sanderiana, Alocasia amazonica (Kris plant, Family: Araceae )
- Alocasia scalprum (Samar Lance, Family: Araceae )
- Alocasia sp. (Alocasia, Taro, Family: Araceae )
- Alocasia sp., Variety/cultivar: 'Maharani' (Alocasia 'Maharani', Family: Araceae )
- Alocasia sp., Variety/cultivar: 'Regal Shields' (Regal Shield Plant, Family: Araceae )
- Alocasia Stingray (Elephant Ear 'Stingray', Family: Araceae )
- Alocasia triangularis (Triangular Alocasia, Family: Araceae )
- Alocasia zebrina (Tiger Elephant Ear, Elephant Ear Zebra, Family: Araceae )
- Aloe africana (African Aloe, Family: Asphodelaceae )
- Aloe arborescens (Tree Aloe, Krantz Aloe, Torch Aloe, Family: Asphodelaceae )
- Aloe aristata (Torch Plant, Lace Aloe, Family: Asphodelaceae )
- Aloe erinacea, Aloe melanacantha var. erinacea (Goree, Family: Asphodelaceae )
- Aloe haworthioides (Haworthia-leaved Aloe, Family: Asphodelaceae )
- Aloe humilis (Spider Aoe, Hedgehog Aloe, Family: Asphodelaceae )
- Aloe juvenna (Tiger Tooth Aloe, Family: Asphodelaceae )
- Aloe marlothii (Mountain Aloe, Flat-flowered Aloe , Family: Asphodelaceae )
- Aloe plicatilis (Fan Aloe, Family: Asphodelaceae )
- Aloe sp. (Aloe, Family: Asphodelaceae )
- Aloe speciosa (Tilt-head Aloe, Family: Asphodelaceae )
- Aloe striata (Coral Aloe, Family: Asphodelaceae )
- Aloe vera, Aloe barbadensis (Chinese Aloe, Indian Aloe, True Aloe, Barbados Aloe, Burn Aloe, First Aid Plant, Family: Asphodelaceae )
- Aloe x nobilis (Gold-Tooth Aloe, Family: Asphodelaceae )
- Aloidendron sp. (Aloidendron, Quiver Tree, Family: Asphodelaceae )
- Aloinopsis sp. (Aloinopsis, Living Stone, Family: Aizoaceae )
- Aloysia gratissima, Lippia lycioides, Aloysia lycioides (Whitebrush, Beebrush, Family: Verbenaceae )
- Aloysia virgata (Sweet Almond Bush, Incense Bush, Family: Verbenaceae )
- Alphitonia excelsa (Red Ash, Soap Tree, Silver Leaf, Family: Rhamnaceae )
- Alpinia argentea (Yellow Ginger Lily , Family: Zingiberaceae )
- Alpinia formosana x zerumbet, Variety/cultivar: Variegata (Variegated ginger, Family: Zingiberaceae )
- Alpinia galanga, Languas galanga (Galanga Root, Galangal, Thai Ginger, Laos , Family: Zingiberaceae )
- Alpinia gigantifolia, Zingiber gigantifolium (Red Ginger Lily, Family: Zingiberaceae )
- Alpinia henryi, Variety/cultivar: 'Pink Perfection' (Pink porcelain lily, Family: Zingiberaceae )
- Alpinia luteocarpa (Red Bamboo Ginger, Family: Zingiberaceae )
- Alpinia malaccensis (Rathkihiriya, Family: Zingiberaceae )
- Alpinia nutans, Alpinia speciosa (Shell ginger, Pink porcelain lily, Narrow-Leaf Cinnamon Ginger, Shellflower, Dwarf cardamom, False cardamom, Family: Zingiberaceae )
- Alpinia officinarum (Lesser Galangal, Family: Zingiberaceae )
- Alpinia purpurata (Red Ginger Lily, Ostrich Plume, Red Cone Ginger, Family: Zingiberaceae )
- Alpinia rugosa (Evergreen Broadleaf Ginger, Family: Zingiberaceae )
- Alpinia sp. (Ginger Lily, Family: Zingiberaceae )
- Alpinia vittata, Alpinia albolineata, Alpinia sanderae, Alpinia tricolor (Striped Narrow Leaf Ginger, Variegated Ginger, Family: Zingiberaceae )
- Alpinia zerumbet, Alpinia nutans var. longiramosa (Shell Ginger, Family: Zingiberaceae )
- Alsobia dianthiflora, Episcia dianthiflora (Lace Flower, Family: Gesneriaceae )
- Alstonia actinophylla (Milkwood, Family: Apocynaceae )
- Alstonia angustiloba (Pulai Tree, Family: Apocynaceae )
- Alstonia macrophylla (Thungfaa, Devil Tree, Family: Apocynaceae )
- Alstonia scholaris (Blackboard Tree, Indian Devil Tree, Sapthaparni, Ditabark, Milkwood Pine, White Cheesewood, Family: Apocynaceae )
- Alstonia spectabilis, Alstonia linearis, Alstonia longissima (Hard Milkwood, Family: Apocynaceae )
- Alstonia venenata (Sinnappalai, Devil Tree, Family: Apocynaceae )
- Alstroemeria psittacina (Parrotlily, Parrot Flower, Red Parrot Beak, New Zealand Christmas Bell, Family: Alstroemeriaceae )
- Alstroemeria sp. (Peruvian Lily, Family: Alstroemeriaceae )
- Alternanthera brasiliana, Alternanthera dentata (Josephs Coat, Calico plant, Copperleaf, Bloodleaf, Joyweed, Parrot leaf, Family: Amaranthaceae )
- Alternanthera ficoidea (Calico Plant, Joseph's Coat, Joyweed, Family: Amaranthaceae )
- Alternanthera hassleriana (Hassler's Alternanthera, Neptune's Crown, Family: Amaranthaceae )
- Alternanthera sp. (Bloodleaf, Family: Amaranthaceae )
- Alternanthera sp., Variety/cultivar: Snow Ball (Alternanthera Snow Ball, Family: Amaranthaceae )
- Alvaradoa amorphoides (Mexican alvaradoa, Family: Simaroubaceae )
- Alyogyne hakeifolia, Hibiscus hakeifolius, Cienfuegosia hakeifolia, Fugosia hakeifolia, Alyogyne lilacina (Red-centred Hibiscus, Desert Rose, Family: Malvaceae )
- Alyogyne huegelii, Hibiscus geranifolius (Blue Hibiscus, Family: Malvaceae )
- Alyxia gynopogon, Alyxia daphnoides (Alyxia, Family: Apocynaceae )
- Alyxia ruscifolia (Chainfruit, Prickly Alyxia, Sea-Box, Family: Apocynaceae )
- Amaranthus sp. (Amaranth, Family: Amaranthaceae )
- Amaranthus tricolor (Joseph's coat, Fountain plant, Family: Amaranthaceae )
- Amaryllis belladonna, Callicore rosea (Belladonna Lily, March Lily, Naked Lady, Family: Amaryllidaceae )
- Amherstia nobilis (Pride of Burma, Orchid Tree, Family: Fabaceae )
- Amomum dealbatum (Amomum, Family: Zingiberaceae )
- Amomum sceletescens (Amomum, Family: Zingiberaceae )
- Amorpha fruticosa (Desert False Indigo, Family: Fabaceae )
- Amorphophallus atroviridis (Voodoo Lily, Family: Araceae )
- Amorphophallus bulbifer (Voodoo Lily, Family: Araceae )
- Amorphophallus glaucophyllus (Voodoo Plant, Family: Araceae )
- Amorphophallus konjac (Voodoo Lily, Family: Araceae )
- Amorphophallus paeoniifolius (Elephant Foot Yam, Whitespot Giant Arum, Voodoo Lily, Family: Araceae )
- Amorphophallus sp. (Voodoo lily, Devils tongue, Snake Palm, Corpse flower, Elephant Foot Yam, Family: Araceae )
- Amorphophallus symonianus (Voodoo Lily, Family: Araceae )
- Amorphophallus titanum (Titan Arum, Family: Araceae )
- Ampelopsis sp. (False Grape, Porcelain Berry, Family: Vitaceae )
- Amphirrhox longifolia (Amphirrhox, Family: Violaceae )
- Amphitecna latifolia, Enallagma latifolia, Dendrosicus latifolius, Crescentia latifolia (Black Calabash, Jicarillo, Savanna Calabash, Family: Bignoniaceae )
- Amphitecna macrophylla (Bigleaf Black Calabash, Family: Bignoniaceae )
- Anacamptis pyramidalis (Pyramidal Orchid, Family: Orchidaceae )
- Anacardium exelsum (Wild Cashew, Family: Anacardiaceae )
- Anacardium giganteum (Caja Acu, Caja Asu, Family: Anacardiaceae )
- Anacardium occidentale (Cashew Nut, Cashew Apple, Caju, Family: Anacardiaceae )
- Anadenanthera colubrina (Vilca, Huilco, Huilca, Wilco, Willka, Cebil, Angico, Family: Fabaceae )
- Anadenanthera peregrina (Yopo, Jopo, Cohoba, Parica, Calcium Tree, Family: Fabaceae )
- Anagyris foetida (Mediterranean Stinkbush, Stinking Bean Trefoil, Purging Trefoil , Family: Fabaceae )
- Anagyris latifolia (Oro de Risco, Gold of the Rocks , Family: Fabaceae )
- Ananas bracteatus (Red Pineapple, Family: Bromeliaceae )
- Ananas comosus (Pineapple, Pina, Family: Bromeliaceae )
- Ananas lucidus, Ananas comosus f. lucidus (Miniature Pineapple, Smooth Cayenne, Family: Bromeliaceae )
- Ananas sp. (Pineapple, Pina, Family: Bromeliaceae )
- Ananas sp., Variety/cultivar: 'Mongo' ('Mongo' Pineapple, Family: Bromeliaceae )
- Ananas sp., Variety/cultivar: 'Lava Burst' ('Lava Burst' Pineapple, Family: Bromeliaceae )
- Ananas sp., Variety/cultivar: 'White Jade' (Spineless Sweet Pineapple, Family: Bromeliaceae )
- Ananas sp., Variety/cultivar: 'Ivory Coast' (Variegated Pineapple, Family: Bromeliaceae )
- Ananas sp., Variety/cultivar: 'Royal Hawaiian' (Family: Bromeliaceae )
- Anaxagorea javanica (Champun, Twin-seed, Bunga Pompun, Kekapur , Family: Annonaceae )
- Anchomanes difformis, Amorphophallus difformis (Anchomanes, Family: Araceae )
- Andira inermis, Geoffroea inermis (Cabbage Tree, Family: Fabaceae )
- Androcymbium palaestinum, Erythrostictis palaestina (Desert Bulb, Family: Colchicaceae )
- Andromeda polifolia (Bog Rosemary, Family: Ericaceae )
- Aneilema acuminatum (Native Wandering Jew, Family: Commelinaceae )
- Anemone sp. (Windflower, Family: Ranunculaceae )
- Anemopaegma chamberlaynii, Bignonia chamberlaynii (Yellow Trumpet Vine, Family: Bignoniaceae )
- Anemopsis californica (Yerba Mansa, Lizard Tail, Family: Saururaceae )
- Anethum graveolens (Dill, Family: Apiaceae / Umbelliferae )
- Angelica keiskei (Ashitaba, Tomorrows Leaf, Koidzumi, Family: Apiaceae / Umbelliferae )
- Angelonia angustiflolia, Angelonia goyazensis (Angel Mist, Summer Snapdragon, Angel Flower, Family: Plantaginaceae )
- Angelonia salicariaefolia (Violet-flowered Angelonia, Family: Plantaginaceae )
- Angiopteris sp. (Elephant Fern, Family: Marattiaceae )
- Angophora costata, Angophora lanceolata (Smooth-barked apple, Rose Gum, Rose Apple, Sydney Red Gum, Family: Myrtaceae )
- Anguloa sp. (Tulip Orchid, Family: Orchidaceae )
- Anigozanthos sp. (Kangaroo Paw, Family: Haemodoraceae )
- Anisacanthus quadrifidus var. wrightii, Anisacanthus wrightii (Hummingbird Bush, Flame Acanthus, Wright Anisacanthus, Family: Acanthaceae )
- Anisodontea capensis (False mallow, Family: Malvaceae )
- Annickia sp. (African Whitewood, Family: Annonaceae )
- Annona cherimola (Cherimoya, Chirimoya, Custard Apple, Family: Annonaceae )
- Annona cherimola x Annona squamosa (Atemoya, Family: Annonaceae )
- Annona diversifolia (Annona ilama, Illama, Annona blanca, Family: Annonaceae )
- Annona glabra (Pond Apple, Alligator Apple, Monkey Apple, Family: Annonaceae )
- Annona haitiensis (Annona, Family: Annonaceae )
- Annona hayesii (Wild Cherimoya, Canelo, Family: Annonaceae )
- Annona hypoglauca (Wild Cherimoya, Anon cimarron, Family: Annonaceae )
- Annona maritima, Rollinia maritima (Aratikum, Quaresma, Family: Annonaceae )
- Annona montana (Mountain Soursop, Wild Custard Apple, Guanabana de monte, Wild Soursop, Family: Annonaceae )
- Annona muricata (Soursop, Guanabana, Graviola, Korosol, Corosol, Family: Annonaceae )
- Annona purpurea, Annona diversifolia (Soncoya, Toreta, Ilama, Cabeza de Negro, Family: Annonaceae )
- Annona reticulata (Custard Apple (Chirimoya - Cuba), Corazon, Family: Annonaceae )
- Annona scleroderma (Posh-te, Cawesh, Poshte, Family: Annonaceae )
- Annona sp. (Golden Sugar Apple, Pineapple Sugar Apple, Honey Sugar Apple, Family: Annonaceae )
- Annona squamosa (Sugar Apple, Custard Apple, Sweetsop-Anon, Sweetsop, Atis, Sitafal, Seetha Payam, Araticum, Sharifa, Family: Annonaceae )
- Anogeissus latifolia (Ghatti, Indian Gum Tree, Dhawa, Indian sumac, Family: Combretaceae )
- Ansellia africana (Leopard Orchid, Family: Orchidaceae )
- Anthocercis littorea (Yellow Tailflower, Family: Solanaceae )
- Anthopterus wardii (Neotropical Blueberry, Family: Ericaceae )
- Anthurium andraeanum (Flamingo Flower, Tail Flower, Family: Araceae )
- Anthurium argyrostachyum, Anthurium pandurifolium (Anthurium, Family: Araceae )
- Anthurium bakeri (Anthurium, Family: Araceae )
- Anthurium clarinervium (White-Veined Anthurium, Family: Araceae )
- Anthurium coriaceum, Pothos coriacea (Paddle-leaf Anthurium , Family: Araceae )
- Anthurium crenatum (Scalloped Laceleaf, Family: Araceae )
- Anthurium crystallinum (Crystal anthurium, Tail Flower, Family: Araceae )
- Anthurium gracile (Red Pearls Anthurium, Family: Araceae )
- Anthurium guayanum, Anthurium bonplandii subsp. guayanum (Anthurium, Family: Araceae )
- Anthurium hookeri (Bird's Nest Anthurium, Family: Araceae )
- Anthurium livescens (Royal Awe, Family: Araceae )
- Anthurium longissimum (Anthurium, Family: Araceae )
- Anthurium ovatifolium (Anthurium, Family: Araceae )
- Anthurium pendulifolium (Anthurium , Family: Araceae )
- Anthurium plowmanii (Anthurium Plowmanii Ruffles, Family: Araceae )
- Anthurium podophyllum (Huautla form, Family: Araceae )
- Anthurium pseudospectabile (Long Leaf Anthurium, Phantom Anthurium, Family: Araceae )
- Anthurium scandens, Dracontium scandens (Pearl Laceleaf, Family: Araceae )
- Anthurium scherzerianum (Flamingo Flower, Family: Araceae )
- Anthurium schlechtendalii (Anthurium, Family: Araceae )
- Anthurium sect. Pachyneurium (Birdsnest Anthurium, Family: Aracea )
- Anthurium sp. (Tail Flower, Family: Araceae )
- Anthurium sp., Variety/cultivar: Shibori (Flamingo Flower, Variegated Flower Anthurium, Family: Araceae )
- Anthurium sp., Variety/cultivar: Black Dragon (Anthurium Black Dragon, Family: Araceae )
- Anthurium superbum (Ironclad Bird Nest Anthurium, Family: Araceae )
- Anthurium tarapotense (Bird's Nest Anthurium)
- Anthurium trinerve (Anthurium, Family: Araceae )
- Anthurium veitchii (King Anthurium, Family: Araceae )
- Anthurium vittarifolium (Long Leaf Anthurium, Family: Araceae )
- Anthurium wagenerianum (Anthurium, Family: Araceae )
- Anthurium warocqueanum (Queen Anthurium, Family: Araceae )
- Anthurium watermaliense (Black Anthurium, Black Prince , Family: Araceae )
- Anthurium wendlingeri (Strap-leaf Anthurium, Spiral Anthurium, Family: Araceae )
- Anthyllis barba-jovis (Silver Bush, Jupiter's Beard, Family: Fabaceae )
- Antidesma bunius (Bignay, Bugnay, Tassel berry, Family: Phyllanthaceae )
- Antidesma tetrandum (Antidesma, Family: Phyllanthaceae )
- Antigonon leptopus (Mexican Coral Vine, Coral Creeper, Honolulu Creeper, Corallita, Chinese Love Vine, Family: Polygonaceae )
- Anubias gigantea, Anubias gigantea var. tripartita (Giant Anubias, Family: Araceae )
- Apeiba aspera (Monkey's Comb, Family: Malvaceae )
- Apeiba tibourbou (Monkey's Comb, Family: Malvaceae )
- Aphanamixis polystachya, Amoora aphanamixis, Amoora rohituka (Pasak Lingga, Pithraj, Rohitak, Family: Meliaceae )
- Aphelandra goodspeedii (Aphelandra , Family: Acanthaceae )
- Aphelandra hartwegiana (Yellow Aphelandra , Family: Acanthaceae )
- Aphelandra scabra, Aphelandra panamensis (Aphelandra, Family: Acanthaceae )
- Aphelandra schiedeana, Aphelandra melgariensis (Aphelandra, Family: Acanthaceae )
- Aphelandra sinclairiana (Orange Shrimp plant, Coral Aphelandra, Panama Queen, Family: Acanthaceae )
- Aphelandra sp. (Shrimp Plant, Coral Aphelandra, Family: Acanthaceae )
- Aphelandra squarrosa (Zebra Plant, Family: Acanthaceae )
- Aphelandra tetragona, Aphelandra cristata (Red Aphelandra, Family: Acanthaceae )
- Aphloia theiformis (Albino Berry, Mountain Peach, Family: Aphloiaceae )
- Aponogeton distachyos (Water Hawthorn, Vleikos, Cape Pond Weed, Water Hyacinth, Family: Aponogetonaceae )
- Aptenia cordifolia (Baby Sun Rose, Family: Aizoaceae )
- Aquilegia sp. (Granny's Bonnet, Columbine, Family: Ranunculaceae )
- Arachis glabrata (Golden Glory, Ornamental Peanut Grass, Family: Fabaceae )
- Arachis hypogaea (Peanut, Family: Fabaceae )
- Araeococcus flagellifolius (Araeococcus, Family: Bromeliaceae )
- Aralia chinensis (Chinese Angelica Tree, Family: Araliaceae )
- Aralia cordata (Japanese Spikenard, Family: Araliaceae )
- Aralia elata (Japanese Angelica Tree, Family: Araliaceae )
- Aralia sp. (Spikenard, Family: Araliaceae )
- Aralia spinosa (Devil's Walkingstick, Angelica Tree, Family: Araliaceae )
- Aralidium pinnatifidum (Aralidium, Family: Torricelliaceae )
- Araucaria araucana, Araucaria imbricata (Monkey Puzzle Tree, Chilean Pine, Family: Araucariaceae )
- Araucaria sp. (Monkey Puzzle, Bunia Pine, Parana Nut, Family: Araucariaceae )
- Araujia sericifera, Physianthus albens (Bladder flower, Family: Asclepiadaceae )
- Arbutus andrachne (Grecian strawberry tree, Family: Ericaceae )
- Arbutus sp. (Strawberry Tree, Madrone, Family: Ericaceae )
- Arbutus unedo (Strawberry Tree, Family: Ericaceae )
- Archidendron grandiflorum, Pithecellobium grandiflorum (Pink Laceflower, Family: Fabaceae )
- Archidendron lucyi (Scarlet Bean, Family: Fabaceae )
- Archidendron sp. (Scarlet Bean, Family: Fabaceae )
- Archontophoenix alexandrae, Ptychosperma alexandrae (King Palm, Alexandre Palm, Nothern Bangalow Palm, Family: Arecaceae / Palmae )
- Archontophoenix cunninghamiana (Bangalow Palm, Seaforthia Palm, Family: Arecaceae / Palmae )
- Arctotis sp., Venidium, x Venidoarctotis (African Daisy, Family: Asteraceae )
- Ardisia crenata (Coral Ardisia, Family: Primulaceae )
- Ardisia elliptica (Shoebutton Ardisia, Family: Primulaceae )
- Ardisia elliptica, Variety/cultivar: Variegata (Variegated Ardisia, Family: Primulaceae )
- Ardisia obovata, Icacorea guadalupensis (Mamayuelo, Guadeloupe marlberry, Family: Primulaceae )
- Ardisia revoluta (Ardisia, Tecuico, Family: Primulaceae )
- Ardisia sieboldii, Ardisia formosana, Bladhia sieboldii (Ardisia, Duo Zhi Zi Jin Niu, Family: Primulaceae )
- Ardisia sp. (Ardisia, Family: Primulaceae )
- Ardisia wallichii (Ardisia, Family: Primulaceae )
- Areca catechu, Areca triandra (Areca Palm, Betel Nut , Bunga, Pinang, Family: Arecaceae / Palmae )
- Areca novohibernica (Kugumaru Palm, Family: Arecaceae / Palmae )
- Areca vestiaria (Orange Crownshaft Palm, Family: Arecaceae / Palmae )
- Arenga caudata (Dwarf Sugar Palm, Miniature Sugar Palm, Family: Arecaceae / Palmae )
- Arenga engleri (Formosa Palm, Dwarf Sugar Palm,Taiwan Sugar Palm, Family: Arecaceae / Palmae )
- Arenga hookeriana (Hooker Fishtail Palm, Family: Arecaceae / Palmae )
- Arenga microcarpa (Arenga Palm, Family: Arecaceae / Palmae )
- Arenga pinnata, Arenga saccharifera (Sugar Palm, Black Sugar Palm, Gomuti Palm, Family: Arecaceae / Palmae )
- Arfeuillea arborescens, Koelreuteria arborescens (Hop Tree, Family: Sapindaceae )
- Argania spinosa, Sideroxylon spinosus (Argan, Family: Sapotaceae )
- Argemone sp. (Prickly Poppy, Family: Papaveraceae )
- Argusia gnaphalodes, Heliotropium gnaphalodes (Sea Rosemary, Sea Lavender, Family: Boraginaceae )
- Argyreia nervosa, Argyreia speciosa (Elephant creeper; Woolly Morning Glory, Hawaiian Baby Woodrose, Family: Convolvulaceae )
- Argyrocytisus battandieri, Cytisus battandieri (Pineapple Broom, Family: Fabaceae )
- Argyrodendron trifoliolatum (Brown Tulip Oak, Queensland Silver Tree, Silver Tree, Stave Wood, Three Leaved Stavewood, White Booyong, Family: Malvaceae )
- Arisaema speciosum (Cobra Lily, Double Whip Cobra Lily, Family: Araceae )
- Arisaema tortuosum, Arum tortuosum (Whipcord Cobra Lily, Jack in the pulpit, Family: Araceae )
- Arisarum vulgare (Friar's Cowl, Family: Araceae )
- Aristolochia arborea (Aristolochia Tree, Family: Aristolochiaceae )
- Aristolochia fimbriata (Fringed Aristolochia, Fringed Dutchman's Pipe, Family: Aristolochiaceae )
- Aristolochia gigantea (Calico Flower, Giant Pelican Flower, Family: Aristolochiaceae )
- Aristolochia gigantea, Variety/cultivar: Brasiliensis (Giant Calico Flower, Giant Pelican Flower, Family: Aristolochiaceae )
- Aristolochia gilbertii (Dutchman's Pipe, Family: Aristolochiaceae )
- Aristolochia grandiflora, Aristolochia gigas (Calico Flower, Pelican Flower, Family: Aristolochiaceae )
- Aristolochia labiata, Aristolochia brasiliensis (Mottled Dutchman's Pipe, Roster Flower, Family: Aristolochiaceae )
- Aristolochia leuconeura (Pipe Flower, Family: Aristolochiaceae )
- Aristolochia littoralis, Aristolochia elegans (Elegant Dutchmans Pipe, Calico Flower, Family: Aristolochiaceae )
- Aristolochia macrophylla, Aristolochia durior (Dutchman's Pipe, Family: Aristolochiaceae )
- Aristolochia manchuriensis (Manchurian Pipevine, Family: Aristolochiaceae )
- Aristolochia maxima (Dutchman's Pipe, Family: Aristolochiaceae )
- Aristolochia peruviana (Aristolochia, Family: Aristolochiaceae )
- Aristolochia philippinensis (Barubo, Family: Aristolochiaceae )
- Aristolochia ringens, Aristolochia galeata (Dutchman's Pipe, Family: Aristolochiaceae )
- Aristolochia sp. (Aristolochia, Family: Aristolochiaceae )
- Aristolochia tagala, Aristolochia acuminata, Aristolochia roxburghiana (Indian Birthwort, Oval leaf Dutchman's Pipe, Family: Aristolochiaceae )
- Aristolochia tricaudata, Isotrema tricaudata (Aristolochia, Three-tailed Pipe Flower, Family: Aristolochiaceae )
- Aristolochia trilobata (Dutchman's Pipe, Birthwort, Bejuco de Santiago, Family: Aristolochiaceae )
- Aristolochia watsonii (Watson's Dutchman's Pipe, Southwestern Pipevine, Indian Root, Family: Aristolochiaceae )
- Aristotelia chilensis, Aristotelia macqui (Maqui, Chilean Wineberry, Family: Elaeocarpaceae )
- Aristotelia serrata, Aristotelia racemosa (Makomako, Wineberry, Family: Elaeocarpaceae )
- Aronia melanocarpa (Chokeberry, Family: Rosaceae )
- Arpophyllum giganteum (Hyacinth Orchid, Bottlebrush Orchid, Family: Orchidaceae )
- Artabotrys hexapetalus, Artabotrys odoratissimus, Artabotrys uncinatus (Ylang Ylang Vine, Bhandari Vine, Climbing Lang-Lang, Tail Grape, Ilang-Ilang, Family: Annonaceae )
- Artabotrys siamensis (Climbing ilang-ilang, Manorangini, Hara-champa, Kantali champa, Family: Annonaceae )
- Artemisia abrotanum (Southernwood, Family: Asteraceae )
- Artemisia arborescens (Tree Wormwood, Family: Asteraceae )
- Arthropodium cirratum (Renga Lily, Rock-lily, Family: Asparagaceae )
- Arthrostemma ciliatum (Pinkfringe, Arthrostemma, Family: Melastomataceae )
- Artocarpus altilis, Artocarpus communis (Breadfruit, Family: Moraceae )
- Artocarpus camansi (Seeded breadfruit, Breadnut, Family: Moraceae )
- Artocarpus dadah (Green Tampang, Family: Moraceae )
- Artocarpus elasticus (Terap, Family: Moraceae )
- Artocarpus glaucus (Artocarpus, Family: Moraceae )
- Artocarpus heterophyllus, Artocarpus integrifolius (Jackfruit, Jakfruit, Langka, Nangka, Jaca, Family: Moraceae )
- Artocarpus hypargyraeus (Kwai Muk, Family: Moraceae )
- Artocarpus integer (Chempedak, Jack-edak, Family: Moraceae )
- Artocarpus lakoocha (Lakoocha, Family: Moraceae )
- Artocarpus odoratissimus (Marang, Tarap, Green Terap, Family: Moraceae )
- Artocarpus scortechinii (Merawan, Nangka Pipit, Sparrow's Jackfruit, Family: Moraceae )
- Artocarpus sericicarpus (Pedalai, Family: Moraceae )
- Artocarpus tamaran (Elephant Jack, Family: Moraceae )
- Arum palaestinum, Arum sanctum, Calla sancta (Black Calla Lily, Family: Araceae )
- Arundina graminifolia, Arundina affinis, Bletia graminifolia (Bamboo Orchid, Bird Orchid, Family: Orchidaceae )
- Arytera divaricata, Nephelium beckleri (Coogera, Rose Tamarind, Family: Sapindaceae )
- Asarina sp. (Figwort, Creeping Snapdragon, Family: Plantaginaceae )
- Asarum maximum (Green Panda, Pussy Plant, Ling Ling, Panda Face Ginger, Family: Aristolochiaceae )
- Asarum splendens (Chinese Wild Ginger, Family: Aristolochiaceae )
- Asclepias curassavica (Milkweed, Butterfly Weed, Tropical Milkweed, Family: Apocynaceae )
- Asclepias incarnata (Swamp Milkweed, Rose Milkweed, Swamp Silkweed, Family: Apocynaceae )
- Asclepias oenotheroides (Zizotes Milkweed, Longhorn Milkweed, Side-cluster Milkweed, Primrose Milkweed, Lindheimer's Milkweed, Family: Apocynaceae )
- Asclepias perennis (Aquatic Milkweed, White Swamp Milkweed, Family: Apocynaceae )
- Asclepias sp. (Milkweed, Family: Apocynaceae )
- Asclepias tuberosa (Milkweed, Flame Weed, Butterfly Weed, Gay Butterflies, Pleurisy Root, Family: Apocynaceae )
- Ascocentrum sp. (Ascocentrum, Family: Orchidaceae )
- Asimina reticulata (Netted Pawpaw, Family: Annonaceae )
- Asimina triloba (Pawpaw, American Custard Apple, West Virginia Banana, Indiana Banana, Family: Annonaceae )
- Aspalathus sp. (Cape Gorse, Family: Fabaceae )
- Asparagus aethiopicus (Asparagus Fern, Foxtail Fern, Sprenger's Asparagus, Family: Asparagaceae )
- Asparagus asparagoides (Bridal Creeper, African Asparagus Fern, Family: Asparagaceae )
- Asparagus densiflorus, Protasparagus densiflorus (Fox Tail, Emerald Asparagus Fern, Family: Asparagaceae )
- Asparagus falcatus (Sicklethorn, Family: Asparagaceae )
- Asparagus juniperoides (Asparagus , Family: Asparagaceae )
- Asparagus laricinus, Protasparagus laricinus, Asparagus angolensis (Cluster-leaf Asparagus, Bergkatbos, Family: Asparagaceae )
- Asparagus officinalis (Garden Asparagus, Family: Asparagaceae )
- Asparagus plumosus, Protasparagus plumosus (Asparagus Fern, Family: Asparagaceae )
- Asparagus simulans, Asparagus madagascariensis, Asparagus rusciformis (Family: Asparagaceae )
- Asparagus umbellatus (Asparagus Fern, Family: Asparagaceae )
- Asphodeline lutea (King's Spear, Yellow Asphodel, Family: Asphodelaceae )
- Aspidistra sp. (Cast Iron Plant, Family: Asparagaceae )
- Asplenium achilleifolium (Asplenium, Family: Aspleniaceae )
- Asplenium bulbiferum (Mother Spleenwort, Family: Aspleniaceae )
- Asplenium dimorphum (Lace Fern, Norfolk Island Spleenwort, Family: Aspleniaceae )
- Asplenium flaccidum (Drooping Spleenwort, Weeping Spleenwort, Family: Aspleniaceae )
- Asplenium nidus, Asplenium nidus-avis (Bird's Nest Fern, Family: Aspleniaceae )
- Asplenium sp. (Bird's Nest Fern, Family: Aspleniaceae )
- Asplenium trichomanes (Maidenhair Spleenwort, Family: Aspleniaceae )
- Asplenium viviparum, Asplenium daucifolium (Mother Fern, Family: Aspleniaceae )
- Asplundia sp. (Asplundia, Family: Cyclanthaceae )
- Asteriscus maritimus (Gold Coin, Mediterranean Beach Daisy, Family: Asteraceae )
- Asteriscus sericeus, Nauplius sericeus (Canary Island Daisy, Family: Asteraceae )
- Asteromyrtus symphyocarpa (Liniment Tree, Waria-waria Tree, Family: Myrtaceae )
- Astrantia sp. (Masterwort, Family: Apiaceae / Umbelliferae )
- Astrophytum sp. (Star Cactus, Family: Cactaceae )
- Asystasia gangetica (Chinese Violet, Creeping Foxglove, Ganges Primrose, Family: Acanthaceae )
- Asystasia intrusa (Asystasia, Ranong, Family: Acanthaceae )
- Atalantia monophylla, Limonia monophylla (Indian Atalantia, Wild Lime , Family: Rutaceae )
- Atherosperma moschatum (Black Sassafras, Family: Monimiaceae )
- Atractocarpus fitzalanii, Randia fitzalanii, Gardenia fitzalanii (Native Gardenia, Yellow Mangosteen, Family: Rubiaceae )
- Atraphaxis sp. (Atraphaxis, Family: Polygonaceae )
- Attalea cephalotus, Scheelea cephalotes (Shapaja, American Oil Palm, Family: Arecaceae / Palmae )
- Attalea sp., Orbignya sp. (Attalea, Family: Arecaceae )
- Aucuba japonica (Japanese Aucuba, Japanese Laurel, Family: Cornaceae )
- Augusta rivalis (Marmelada, Purui, Trompito, Madrono, Zumbo, Guayabito de monte, Star of Belize, Alibertia, Family: Rubiaceae )
- Auranticarpa rhombifolia, Pittosporum rhombifolium (Diamond Pittosporum , Family: Pittosporaceae )
- Averrhoa bilimbi (Bilimbi, Cucumber Tree, Tree Sorrel, Kamias, Belimbing Asam, Belimbing Buloh, Membrillo, Family: Oxalidaceae )
- Averrhoa carambola (Carambola, Starfruit, Five-finger, Balimbing, Family: Oxalidaceae )
- Avicennia germinans (Black Mangrove, Family: Avicenniaceae )
- Azadirachta indica, Antelaea azadirachta (Neem tree, Nim, Margosa Tree, Vepa, Nimbay, Yepa, Pichumarda, Family: Meliaceae )
- Babiana sp. (Babiana, Family: Iridaceae )
- Baccaurea dulcis (Rambai, Kampuduang, Menteng, Family: Phyllanthaceae )
- Baccaurea parviflora (Wild Rambai, Family: Phyllanthaceae )
- Baccaurea polyneura (Tampoi, Family: Phyllanthaceae )
- Baccaurea reticulata (Lesser Tampoi, Family: Phyllanthaceae )
- Baccharis halimifolia (Aster Tree, White Cloud Tree, Snow Bush, Eastern Baccharis, Flannel Bush, Family: Asteraceae )
- Bactris gasipaes (Peach Palm, Pixbae, Pewa, Chontaduro, Family: Arecaceae / Palmae )
- Baeckea latens (Baeckea , Family: Myrtaceae )
- Baikiaea insignis (Baikiaea, Family: Fabaceae )
- Bakeridesia integerrima, Abutilon chiappardi, Abutilon chittendenii, Abutilon chitenendii, Sida integerrima (Velvetleaf, Canary Tree, Indian Mallow, Family: Malvaceae )
- Balanites maughamii (Torchwood, Menduro, Family: Zygophyllaceae )
- Balanophora fungosa (Balanophora, Family: Balanophoraceae )
- Bambusa sp. (Common bamboo, Family: Poaceae )
- Bambusa ventricosa (Bamboo Buddha Belly, Family: Poaceae )
- Banara vanderbiltii (Palo de Ramon, Family: Salicaceae )
- Banisteriopsis caapi, Banisteria caapi, Alicia anisopetala (Ayahuasca, Caapi, Yaje, Black Yage, Family: Malpighiaceae )
- Banksia dentata (Tropical Banksia, Family: Proteaceae )
- Banksia integrifolia (Coast Banksia, Coast Honeysuckle, Family: Proteaceae )
- Banksia nivea, Dryandra nivea (Honeypot Dryandra, Family: Proteaceae )
- Banksia petiolaris (Banksia, Family: Proteaceae )
- Banksia serrata (Old Man Banksia, Saw Banksia, Red Honeysuckle, Family: Proteaceae )
- Banksia sp. (Banksia, Family: Proteaceae )
- Banksia speciosa (Showy banksia, Ricrac banksia, Family: Proteaceae )
- Baphia massaiensis (Jasmine Pea, Sand Camwood , Family: Fabaceae )
- Baphia nitida (Barwood, Camwood, African Sandalwood, Family: Fabaceae )
- Baptisia cinerea (Grayhairy Wild Indigo, Family: Fabaceae )
- Barleria albostellata (Grey Barleria, Family: Acanthaceae )
- Barleria cristata, Variety/cultivar: Alba (White Philippine violet, Family: Acanthaceae )
- Barleria cristata, Variety/cultivar: Lavender Lace (Striped Philippine Violet, Crested Philippine Violet, Family: Acanthaceae )
- Barleria cristata (Philippine Violet, Crested Philippine Violet, December Flower, Family: Acanthaceae )
- Barleria elegans (White Bushveld Barleria, Family: Acanthaceae )
- Barleria lupulina (Hophead Philippine Violet, Family: Acanthaceae )
- Barleria obtusa (Bush Violet, Family: Acanthaceae )
- Barleria oenotheroides, Barleria micans (Barleria, Giant Yellow Shrimp, Family: Acanthaceae )
- Barleria prionitis (Porcupine Flower, Family: Acanthaceae )
- Barleria repens, Barleria galpinii (Small Bush Violet, Family: Acanthaceae )
- Barleria sp. (Barleria, Family: Acanthaceae )
- Barnebydendron riedelii, Phyllocarpus riedelii, Phyllocarpus septentrionalis (Monkey Flower Tree, Family: Fabaceae )
- Barringtonia acutangula (Freshwater Mangrove, Indian Oak, Indian Putat , Family: Lecythidaceae )
- Barringtonia asiatica, Mammea asiatica, Barringtonia speciosa, Agasta asiatica, Butonica rumphina (Sea Poison Tree, Langasat, Fish Poison Tree, Putat Laut, Butun, Butong, Pertun, Balubiton, Lugo, Motong-botong, Vuton, Family: Barringtoniaceae / Lecythidaceae )
- Barringtonia calyptrata (Mango Pine, Cassowary Pine, Family: Lecythidaceae )
- Barringtonia edulis (Cut Nut, Pili Nut, Family: Barringtoniaceae / Lecythidaceae )
- Barringtonia papuana, Barringtonia josephstaalensis (Kun-job, Fish-killer Tree, Family: Lecythidaceae )
- Barringtonia racemosa (Putat Kampung, Fish-killer Tree, Fish-poison Wood, Freshwater Mangrove, Family: Lecythidaceae )
- Barringtonia sp. (Barringtonia, Family: Lecythidaceae )
- Bartlettina sordida, Eupatorium sordidum, Eupatorium megalophyllum (Purple Torch, Family: Asteraceae )
- Basananthe triloba (Basananthe, Family: Passifloraceae )
- Basella alba (Ceylon Spinach, Malabar Spinach, Family: Basellaceae )
- Bauhinia acuminata (Dwarf White Orchid Tree, White Bauhinia, Kaa-long, Snowy Orchid, Family: Fabaceae )
- Bauhinia aureifolia (Gold Leaf Bauhinia, Bai Mai Si Thong, Family: Fabaceae )
- Bauhinia bassacensis, Phanera bassacensis (Bauhinia, Family: Fabaceae )
- Bauhinia bidentata, Phanera bidentata (Orange Bauhinia, Orange Orchid Vine, Family: Fabaceae )
- Bauhinia blakeana (Hong Kong Orchid Tree, Family: Fabaceae )
- Bauhinia bowkeri (Kei White Bauhinia, Bowker's Bauhinia, Keibeesklou, Family: Fabaceae )
- Bauhinia corymbosa, Phanera corymbosa (Vining bauhinia, Climbing Bauhinia, Camel's foot, Family: Fabaceae )
- Bauhinia cunninghamii, Lysiphyllum cunninghamii (Jigal Tree, Kimberley Bauhinia, Family: Fabaceae )
- Bauhinia divaricata (Butterfly Orchid Tree, Family: Fabaceae )
- Bauhinia forficata, Bauhinia candicans (Pata de Vaca, Brazilian Orchid Tree, Family: Fabaceae )
- Bauhinia galpinii, Bauhinia punctata (Pride of De Kaap, Nasturtium Bauhinia, Family: Fabaceae )
- Bauhinia grandidieri (Dwarf Orchid Tree, Dwarf Blue Orchid Tree , Family: Fabaceae )
- Bauhinia hookeri, Lysiphyllum hookerii (Mountain Ebony, Pegunny, White bauhinia, Family: Fabaceae )
- Bauhinia jenningsii (Cows Tongue, Lengua de Vaca, Fused-leaf Orchid Tree, Family: Fabaceae )
- Bauhinia kockiana, Bauhinia coccinea, Phanera coccinea (Red Trailing Bauhinia, Family: Fabaceae )
- Bauhinia lunarioides, Bauhinia congesta, Casparea congesta (Anacacho Orchid Tree, Texas Plume, Family: Fabaceae )
- Bauhinia madagascariensis (Red Butterfly Orchid Tree, Family: Fabaceae )
- Bauhinia mexicana (Mexican Orchid Tree, Family: Fabaceae )
- Bauhinia monandra (Orchid tree, Napoleon's plume, Family: Fabaceae )
- Bauhinia natalensis (Natal Neat's Foot, Dainty Bauhinia, Family: Fabaceae )
- Bauhinia petersiana (Kalahari White Bauhinia, Koffiebeesklou, Family: Fabaceae )
- Bauhinia pottsii (Orchid Tree, Family: Fabaceae )
- Bauhinia purpurea, Phanera purpurea (Orchid Tree, Butterfly Tree, Family: Fabaceae )
- Bauhinia rufescens, Adenolobus rufescens, Bauhinia adansoniana (Kharoub, Kulkul, Nammare, Jiga, Randa, Family: Fabaceae )
- Bauhinia saccocalyx (Thai Orchid Tree, Family: Fabaceae )
- Bauhinia sirindhorniae (Bauhinia Vine, Family: Fabaceae )
- Bauhinia sp. (Bauhinia, Family: Fabaceae )
- Bauhinia tarapotensis (Patevaca, Family: Fabaceae )
- Bauhinia tomentosa (Yellow Orchid Tree, Yellow Bell Bauhinia, St. Thomas Tree, Family: Fabaceae )
- Bauhinia variegata, Variety/cultivar: 'Alba' (White orchid tree, White Mountain Ebony, Family: Fabaceae )
- Bauhinia variegata, Phanera variegata (Orchid tree, Purple orchid tree, Mountain ebony, Poor Man's orchid, Family: Fabaceae )
- Bauhinia winitii (Thai Bauhinia, Family: Fabaceae )
- Bauhinia yunnanensis, Phanera yunnanensis (Chinese Orchid Tree, Yunnan Orchid, Orchid Vine, Family: Fabaceae )
- Beaucarnea gracilis, Nolina gracilis (Mexican Pony Tail Palm, Sotolin , Family: Asparagaceae )
- Beaucarnea guatemalensis (Red Ponytail Plant, Guatemala Pony Tail, Family: Asparagaceae )
- Beaucarnea recurvata, Nolina recurvata (Ponytail Palm, Pony Tail, Bottle Palm, Nolina, Elephant-foot Tree, Family: Asparagaceae )
- Beaufortia sparsa (Swamp bottlebrush, Family: Myrtaceae )
- Beaumontia grandiflora, Echites grandiflora (Easter Lily Vine, Heralds Trumpet, Nepal Trumpet Flower, Family: Apocynaceae )
- Beaumontia jerdoniana (Nepal Trumpet Flower, Family: Apocynaceae )
- Beaumontia murtonii (Easter Lily Vine, Heralds Trumpet, Nepal Trumpet Flower, Family: Apocynaceae )
- Beaumontia sp. (Easter Lily Vine, Heralds Trumpet, Nepal Trumpet Flower, Family: Apocynaceae )
- Begonia ampla (Begonia, Family: Begoniaceae )
- Begonia bipinnatifida (Fern Leaf Begonia, Family: Begoniaceae )
- Begonia boliviensis (Bolivian Begonia, Family: Begoniaceae )
- Begonia brevirimosa (Exotica Begonia , Family: Begoniaceae )
- Begonia carolineifolia (Palm-leaf Begonia, Family: Begoniaceae )
- Begonia coccinea (Angel Wing Begonia, Family: Begoniaceae )
- Begonia conchifolia, Variety/cultivar: 'Red Ruby' (Red Ruby Begonia, Family: Begoniaceae )
- Begonia corallina (Cane Begonia, Family: Begoniaceae )
- Begonia listada (Striped Begonia, Family: Begoniaceae )
- Begonia longirostris (Begonia, Family: Begoniaceae )
- Begonia maculata (Clown Begonia, Polka Dot Begonia, Wright's Spotted Begonia, Family: Begoniaceae )
- Begonia nelumbiifolia (Lily-pad Begonia, Family: Begoniaceae )
- Begonia nigritarum, Begonia rhombicarpa (Begonia, Family: Begoniaceae )
- Begonia odorata, Variety/cultivar: Alba (Sweet Begonia, Family: Begoniaceae )
- Begonia Rex-cultorum Group (Painted Leaf Begonia, Rex Begonia, Family: Begoniaceae )
- Begonia Semperflorens-cultorum Group (Bedding Begonia, Wax Begonia, Family: Begoniaceae )
- Begonia soli-mutata (Rhizomatous Begonia, Family: Begoniaceae )
- Begonia sp. (Begonia, Family: Begoniaceae )
- Begonia sp., Variety/cultivar: 'Gryphon' (Begonia 'Gryphon', Family: Begoniaceae )
- Begonia sp., Variety/cultivar: Tuberhybrida Group (Tuberous Begonia, Family: Begoniaceae )
- Begonia x albopicta (Bambusiforme Begonia, Cane Stemmed Begonia, Family: Begoniaceae )
- Begonia x hiemalis, Begonia Elatior (Elatior Begonia, Family: Begoniaceae )
- Bejaria aestuans (Rose of the Andes, Family: Ericaceae )
- Bejaria racemosa (Tarflower, Family: Ericaceae )
- Belamcanda chinensis (Blackberry Lily, Family: Iridaceae )
- Bellucia pentamera, Bellucia costaricensis, Bellucia axinanthera (Coronillo, Family: Melastomataceae )
- Beloperone violacea (Beloperone, Family: Acanthaceae )
- Berberis sp. (Barberry, Family: Berberidaceae )
- Berchemia sp. (Pink Ivory, Red Ivory , Family: Rhamnaceae )
- Berkheya cirsiifolia (Mohata-o-mosoueu, Family: Asteraceae )
- Berkheya cuneata, Rohria cuneata (Bietou, Family: Asteraceae )
- Berrya cordifolia, Espera cordifolia (Malibayo, Trincomalee wood, Family: Malvaceae )
- Bertolonia marmorata (Jewel Plant, Family: Melastomataceae )
- Bertolonia ovata (Bertolonia, Family: Melastomataceae )
- Beschorneria yuccoides (Mexican Lily, Family: Asparagaceae )
- Besleria sp. (Besleria, Family: Gesneriaceae )
- Beta vulgaris, Variety/cultivar: Cicla (Chard, Bright Lights, Family: Amaranthaceae )
- Bidens aequisquama (Pink Beggarticks, Family: Asteraceae )
- Bidens ferulifolia, Bidens aurea (Apache Beggarticks, Bur Marigold, Family: Asteraceae )
- Bifrenaria harrisoniae, Dendrobium harrisoniae (Bifrenaria, Family: Orchidaceae )
- Bignonia capreolata (Crossvine, Family: Bignoniaceae )
- Bignonia magnifica, Saritaea magnifica (Glowvine, Purple Bignonia, Saritaea, Family: Bignoniaceae )
- Billbergia nutans, Billbergia linearifolia, Billbergia minuta (Bromeliad Queen of Tears, Friendship Plant, Family: Bromeliaceae )
- Billbergia sp. (Bromeliad Queen of Tears, Friendship Plant, Family: Bromeliaceae )
- Biophytum sensitivum, Oxalis sensitiva (Biophytum, Life Plant, Family: Oxalidaceae )
- Bischofia javanica, Andrachne apetala, Andrachne trifoliata, Bischofia cummingiana (Bishop Wood, Javawood, Toog Tree, Java Cedar, Family: Phyllanthaceae )
- Bismarckia nobilis, Medemia nobilis (Bismarck Palm, Family: Arecaceae / Palmae )
- Bixa orellana (Lipstick tree, Annatto, Achiote, Family: Bixaceae )
- Blakea sp. (Blakea, Family: Melastomataceae )
- Blechnum brasiliense (Red Dwarf Tree Fern, Red Brazilian Tree Fern , Family: Blechnaceae )
- Blechnum discolor (Crown Fern , Family: Blechnaceae )
- Blechnum gibbum (Dwarf Tree Fern, Silver Lady Fern , Family: Blechnaceae )
- Blechnum moorei (Brazilian Tree Fern, Family: Blechnaceae )
- Blechnum occidentale (Hard Fern, Family: Blechnaceae )
- Blechnum sp. (Hard Fern, Family: Blechnaceae )
- Blepharocalyx salicifolius, Eugenia salicifolia (Murta, Family: Myrtaceae )
- Blepharodon salicinum (Family: Apocynaceae )
- Bletia florida (Slender Pinepink, Family: Orchidaceae )
- Bletilla striata (Hyacinth Orchid, Chinese Ground Orchid, Family: Orchidaceae )
- Blighia sapida, Cupania sapida (Akee, Ackee, Seso Vegetal, Arbre a Fricasser (Haiti), Family: Sapindaceae )
- Bocconia arborea (Bocconia Three, Family: Papaveraceae )
- Boehmeria nivea, Boehmeria tenacissima (Chinese grass, Chinese Silk Plant, Ramie, Family: Urticaceae )
- Boehmeria sp. (False Nettle, Family: Urticaceae )
- Boerhavia repens (Alena, Family: Nyctaginaceae )
- Boesenbergia collinsii (Boesenbergia, Family: Zingiberaceae )
- Boesenbergia rotunda, Curcuma rotunda (Chinese Keys, Fingerroot, Lesser Galangal, Chinese Ginger, Family: Zingiberaceae )
- Boesenbergia sp. (Chinese Ginger, Fingerroot, Kra Chai, Family: Zingiberaceae )
- Bolbitis heteroclita (Water Fern, Family: Elaphoglossaceae )
- Bolusanthus speciosus (Tree Wisteria, Vanwykshout, Mogaba, Family: Fabaceae )
- Bomarea sp. (Bomarea, Family: Alstroemeriaceae )
- Bombax ceiba, Salmalia malabarica, Bombax malabaricum (Kapok tree, Silk Cotton Tree, Family: Malvaceae )
- Bombax costatum, Bombax andrieui (Red-Flowered Silk Cotton Tree, Family: Malvaceae )
- Bonellia macrocarpa, Jacquinia macrocarpa, Jacquinia aurantiaca (Cudjoewood, Barbasco, Family: Primulaceae )
- Borassus flabellifer, Borassus aethiopum (Palmira Palm, Toddy Palm, Family: Arecaceae / Palmae )
- Borojoa patinoi (Borojo, Family: Rubiaceae )
- Boronia lanuginosa (Family: Rutaceae )
- Boronia sp. (Boronia, Family: Rutaceae )
- Boswellia papyrifera (Boswellia , Family: Burseraceae )
- Boswellia sacra, Boswellia carteri, Boswellia undulato crenata (Frankincense, Olibanum Tree, Family: Burseraceae )
- Boswellia sp. (Boswellia, Family: Burseraceae )
- Bouea burmanica, Bouea macrophylla (Marian plum, Maprang, Ma-praang, Gandaria, Family: Anacardiaceae )
- Bougainvillea arborea, Variety/cultivar: Dwarf (Dwarf Bonsai Bougainvillea, Family: Nyctaginaceae )
- Bougainvillea arborea (Bougainvillea, Family: Nyctaginaceae )
- Bougainvillea glabra, Variety/cultivar: Miss Alice (Bougainvillea, Family: Nyctaginaceae )
- Bougainvillea sp. (Bougainvillea, Family: Nyctaginaceae )
- Bougainvillea sp., Variety/cultivar: California Gold (Bougainvillea, Family: Nyctaginaceae )
- Bougainvillea sp., Variety/cultivar: Delta Dawn (Bougainvillea, Family: Nyctaginaceae )
- Bougainvillea sp., Variety/cultivar: Orange Ice (Bougainvillea, Family: Nyctaginaceae )
- Bougainvillea sp., Variety/cultivar: Double Imperial Delight (Pinky-White variegated, Family: Nyctaginaceae )
- Bougainvillea spectabilis, Variety/cultivar: Twilight Delight (Bougainvillea, Family: Nyctaginaceae )
- Bougainvillea spectabilis, Variety/cultivar: Raspberry Ice (Bougainvillea, Family: Nyctaginaceae )
- Bourreria cassinifolia (Little Strongbark, Smooth Strongbark, Family: Boraginaceae )
- Bouvardia longiflora, Bouvardia humboldtii (Scented Bouvardia, Family: Rubiaceae )
- Bouvardia ternifolia (Scarlet Bourvardia, Trumpetilla, Firecracker Bush, Hummingbird Flower, Family: Rubiaceae )
- Bowenia spectabilis (Cycad, Zamia Fern, Family: Stangeriaceae )
- Bowiea volubilis, Schizobasopsis volubilis (Climbing Onion, Sea Onion, Family: Asparagaceae )
- Brachychiton acerifolius (Flame Tree, Family: Malvaceae )
- Brachychiton australis, Sterculia trichosiphon (Broad Leaved Bottletree, Family: Malvaceae )
- Brachychiton bidwillii, Brachychiton paradoxus var. bidwillii (Little Kurrajong, Family: Malvaceae )
- Brachychiton discolor, Brachychiton paradoxus var. discolor (Lacebark Kurrajong, Pink Flame Tree, Family: Malvaceae )
- Brachychiton megaphyllus (Giant-leaved Kurrajong , Family: Malvaceae )
- Brachychiton paradoxus (Red Kurrajong, Family: Malvaceae )
- Brachychiton populneus (Bottle Tree, Kurrajong, Family: Malvaceae )
- Brachychiton rupestris (Queensland Bottle Tree, Family: Malvaceae )
- Brachychiton sp. (Bottle Tree, Family: Malvaceae )
- Brachylaena discolor (Coast Silver Oak, Family: Asteraceae )
- Brachyotum ledifolium (Pucachaglla, Family: Melastomataceae )
- Brachyotum quinquenerve (Brachyotum, Family: Melastomataceae )
- Brahea armata, Erythea armata, Erythea glauca, Erythea roezlii (Blue Fan Palm, Blue Hesper Palm, Family: Arecaceae / Palmae )
- Brasiliopuntia brasiliensis, Opuntia brasiliensis (Brazilian Prickly Pear, Family: Cactaceae )
- Brassavola sp. (Lady of the Night, Family: Orchidaceae )
- Brassia sp. (Spider Orchid, Family: Orchidaceae )
- Brassica oleracea, Variety/cultivar: Acephala (Kale, Curly-leafed Cabbage, Family: Brassicaceae )
- Bravaisia berlandieriana (Strawberry Ice Bravaisia , Family: Acanthaceae )
- Breynia androgyna, Sauropus androgynus (Katuk, Star Gooseberry, Sweet Leaf, Tropical Asparagus, Chang Kok, Manis, Nutty Leaf, Rau Ngot, Family: Phyllanthaceae )
- Breynia disticha, Breynia nivosa (Snow Bush, Hawaiian-Leaf Flower, Sweet Pea Bush, Calico Plant, Snow on the Mountain, Family: Phyllanthaceae )
- Bridelia ovata (Ragah, Family: Euphorbiaceae )
- Brighamia insignis, Brighamia citrina (Olulu, Alula, Hawaiian Palm, Family: Campanulaceae )
- Brillantaisia guianensis, Leucorhaphis lamium, Brillantaisia nitens (Tropical Giant Salvia, Fiddle Leaf , Family: Acanthaceae )
- Brillantaisia sp. (Tropical Giant Salvia, Fiddle Leaf , Family: Acanthaceae )
- Bromelia sp. (Bromelia, Family: Bromeliaceae )
- Brosimum alicastrum (Breadnut, Maya Nut, Family: Moraceae )
- Broussonetia papyrifera, Morus papyrifera (Paper Mulberry, Family: Moraceae )
- Brownea angustifolia (Scarlet Flame Bean, Family: Fabaceae )
- Brownea ariza, Hermesias ariza (Scarlet Flame Bean, Family: Fabaceae )
- Brownea crawfordii (Rose of Venezuela, Family: Fabaceae )
- Brownea grandiceps (Rose of Venezuela, Scarlet Flame Bean, Family: Fabaceae )
- Brownea macrophylla (Panama Flame Tree, Rose of Venezuela , Family: Fabaceae )
- Brownea sp. (Scarlet Flame Bean, Family: Fabaceae )
- Browneopsis ucayalina (New Guinea Ghost Tree, Maroon Handkerchief, Family: Fabaceae )
- Brucea javanica, Brucea sumatrana (Java Brucea, Kusam Seeds, Macassar Kerneltree, Family: Simaroubaceae )
- Brugmansia arborea, Datura arborea (Angels Trumpet, Tree Datura, Family: Solanaceae )
- Brugmansia sanguinea, Datura sanguinea (Red Angels Trumpet, Red Datura, Eagle Tree, Family: Solanaceae )
- Brugmansia sp. (Angels Trumpet, Family: Solanaceae )
- Brugmansia sp., Variety/cultivar: Peach (Angels Trumpet, Family: Solanaceae )
- Brugmansia sp., Variety/cultivar: Pink (Angels Trumpet, Family: Solanaceae )
- Brugmansia sp., Variety/cultivar: White (Angels Trumpet, Family: Solanaceae )
- Brugmansia sp., Variety/cultivar: Yellow (Angels Trumpet, Family: Solanaceae )
- Brugmansia suaveolens (Angel's trumpet, Family: Solanaceae )
- Brugmansia versicolor (Angel's Tears, Family: Solanaceae )
- Brugmansia X candida, Datura candida (Angel's Trumpet, Family: Solanaceae )
- Brugmansia X insignis (Angel Trumpets, Family: Solanaceae )
- Bruguiera gymnorrhiza (Burma Mangrove, Black Mangrove , Family: Rhizophoraceae )
- Bruguiera sp. (Mangrove, Family: Rhizophoraceae )
- Brunfelsia americana (Lady of the night, Family: Solanaceae )
- Brunfelsia australis, Brunfelsia bonodora, Brunfelsia latifolia (Yesterday-Today-and-Tomorrow, Family: Solanaceae )
- Brunfelsia densifolia (Serpentine Hill rain tree, Family: Solanaceae )
- Brunfelsia gigantea (Lady of the Night, Family: Solanaceae )
- Brunfelsia grandiflora (Yesterday -Today -Tomorrow, Kiss-me-quick, Royal Purple Brunfelsia, Family: Solanaceae )
- Brunfelsia isola (Hybrid Brunfelsia, Purple Lady of the Night, Family: Solanaceae )
- Brunfelsia jamaicensis, Brunfelsia plicata (Lady of the Night, Family: Solanaceae )
- Brunfelsia lactea (Lady of the night, Family: Solanaceae )
- Brunfelsia magnifica, Variety/cultivar: Floribunda (Morning, Noon and Night, Family: Solanaceae )
- Brunfelsia manaca, Brunfelsia currugata (Manaca, Family: Solanaceae )
- Brunfelsia mire (Brunfelsia, Family: Solanaceae )
- Brunfelsia nitida (Lady of the Night, Family: Solanaceae )
- Brunfelsia pauciflora, Brunfelsia calycina, Brunfelsia eximia (Brazil Raintree, Yesterday-Today-Tomorrow, Family: Solanaceae )
- Brunfelsia pilosa (Manaca root, Family: Solanaceae )
- Brunfelsia sp. (Lady of the Night, Family: Solanaceae )
- Brunia noduliflora, Brunia nodiflora (Fonteinbos, Knopbos, Family: Bruniaceae )
- Brunsvigia orientalis (Candelabra Flower, King Candelabra, Chandelier Lily, Family: Amaryllidaceae )
- Brya ebenus, Aspalathus ebenus (Jamaican Rain Tree, Ebony Coccuswood, Grenadilla, Granadilla, Jamaican Ebony, West Indian Ebony, Family: Fabaceae )
- Bryophyllum beauverdii, Kalanchoe beauverdii (Kalanchoe, Family: Crassulaceae )
- Bryophyllum daigremontianum, Kalanchoe crenato-daigremontiana, Kalanchoe daigremontiana (Mother of Thousands, Mother of Millions, Devils Backbone, Mexican Hat Plant, Family: Crassulaceae )
- Bryophyllum delagoense, Kalanchoe delagoensis, Kalanchoe tubiflora, Bryophyllum tubiflorum, Bryophyllum verticillatum (Chandelier plant, Family: Crassulaceae )
- Bryophyllum fedtchenkoi, Kalanchoe fedtschenkoi (Kalanchoe, Family: Crassulaceae )
- Bryophyllum gastonis-bonnieri, Kalanchoe gastonis-bonnieri, Kalanchoe adolph-engleri, Bryophyllum adolph-engleri (Giant kalanchoe, Donkey Ears; Life Plant; Miracle Leaf; Sprouting Leaf; Sprout Leaf Plant; Leaf of Life; Good Luck Leaf, Tree Of Life, Family: Crassulaceae )
- Bryophyllum pinnatum, Kalanchoe pinnata, Bryophyllum calycinum (Bahamas Breath Plant, Hawaiian Air Plant, Family: Crassulaceae )
- Bryophyllum proliferum, Kalanchoe prolifera (Blooming Boxes, Family: Crassulaceae )
- Bucida buceras, Terminalia buceras (Florida Black Olive Tree, Shady Lady, Oxhorn Bucida, Gregory Wood, Family: Combretaceae )
- Bucida sp.variegata (Dwarf Geometry Tree, Family: Combretaceae )
- Bucida spinosa, Bucida molinetti, Terminalia spinosa (Spiny Black Olive, Ming Tree, Family: Combretaceae )
- Buddleja davidii (Butterfly Bush, Family: Buddlejaceae )
- Buddleja indica (Parlor Oak, Nicodemia, Family: Buddlejaceae )
- Buddleja madagascariensis, Buddleja nicodemia, Nicodemia madagascariensis (Smoke bush, Yellow Butterfly bush, Family: Buddlejaceae )
- Buddleja paniculata (Butterfly bush, Family: Buddlejaceae )
- Buddleja saligna (False Olive, Family: Buddlejaceae )
- Buddleja sp. (Butterfly Bush, Family: Buddlejaceae )
- Bulbine frutescens, Bulbine caulescens (Stalked Bulbine, Rankkopieva, Orange African Bulbine, Family: Asphodelaceae )
- Bulbine natalensis, Bulbine latifolia (Bulbine, Family: Asphodelaceae )
- Bulbine praemorsa (Blougif, Slymstok, Family: Asphodelaceae )
- Bulbinella sp. (Bulbinella, Family: Asphodelaceae )
- Bulbophyllum blumei (Bulbophyllum, Family: Orchidaceae )
- Bulbophyllum sp. (Bulbophyllum, Family: Orchidaceae )
- Bulnesia arborea (Vera, Verawood, Vera Wood, Maracaibo Lignum Vitae, Family: Zygophyllaceae )
- Bunchosia argentea, Bunchosia armeniaca (Peanut Butter Fruit Tree, Ciruela Del Monte, Family: Malpighiaceae )
- Bunchosia glandulifera (Wild Peanut Tree, Family: Malpighiaceae )
- Burbidgea schizocheila (Golden Brush, Dwarf Orange Ginger, Voodoo Flame Ginger, Family: Zingiberaceae )
- Burbidgea stenantha (Burbidgea, Family: Zingiberaceae )
- Burchellia bubalina (Wild Pomegranate, Wildegranaat, Buffalo Wood, Buffalo Horn, Family: Rubiaceae )
- Burmeistera cyclostigmata (Burmeistera, Family: Campanulaceae )
- Burretiokentia hapala (Burretiokentia, Family: Arecaceae / Palmae )
- Bursaria incana (Prickly Pine, Box Thorn, Native Box, Native Olive, Mock Orange, Family: Pittosporaceae )
- Bursera fagaroides (Elephant Tree, Fragrant Bursera, Family: Burseraceae )
- Bursera hindsiana (Copal, Torote Prieto, Family: Burseraceae )
- Bursera microphylla (Elephant Tree, Torote Colorado, Copal, Family: Burseraceae )
- Bursera morelensis (Red Cuajiote, Family: Burseraceae )
- Bursera odorata (Torote Blanco, Elephant Tree, Family: Burseraceae )
- Bursera schlechtendalii (Family: Burseraceae )
- Bursera simaruba (Gumbo-Limbo, West Indian Birch, Tourist Tree, Family: Burseraceae )
- Butea monosperma, Butea frondosa, Erythrina monosperma (Flame of the Forest, Dhak, Palas, Bastard Teak, Parrot Tree, Family: Fabaceae )
- Butia capitata, Cocos capitata, Butia pulposa, Syagrus capitata (Pindo, Jelly Palm, Family: Arecaceae / Palmae )
- Butia eriospatha, Cocos eriospatha (Jelly Palm, Family: Arecaceae / Palmae )
- Butomus umbellatus (Flowering Rush, Family: Butomaceae )
- Buxus sp. (Boxwood, Family: Buxaceae )
- Byblis liniflora (Rainbow Plant, Family: Byblidaceae )
- Byrsonima crassifolia, Malpighia crassifolia (Nancy Tree, Golden Spoon, Nance, Family: Malpighiaceae )
- Caesalpinia bonduc (Grey Nicker, Bonduc Nut, Family: Fabaceae )
- Caesalpinia cassioides (Flying Fish Flower, Family: Fabaceae )
- Caesalpinia coriaria (Diva-Diva, Divi-divi, Family: Fabaceae )
- Caesalpinia ferrea (Brazilian Ironwood, Leopard Tree, Family: Fabaceae )
- Caesalpinia mexicana (Mexican Bird of Paradise, Dwarf Poinciana, Family: Fabaceae )
- Caesalpinia pulcherrima, Variety/cultivar: Compton (Pride of Barbados, Pink Dwarf Poinciana, Flower Fence, Family: Fabaceae )
- Caesalpinia pulcherrima , Variety/cultivar: Lutea (Yellow Peacock Flower, Barbados Pride, Dwarf Poinciana, Barbados Flower-fence, Family: Fabaceae )
- Caesalpinia pulcherrima (Peacock Flower, Barbados Pride, Dwarf Poinciana, Barbados Flower-fence, Gold Mohur, Family: Fabaceae )
- Caesalpinia pulcherrima, Variety/cultivar: Mexican Flame (Mexican Peacock flower, Family: Fabaceae )
- Caesalpinia sappan, Biancaea sappan (Sappanwood, Bukkum-wood, Gango , Family: Fabaceae )
- Caesalpinia spinosa (Tara, Spiny Holdback, Family: Fabaceae )
- Caesalpinia vesicaria, Caesalpinia bijuga (Large-leaved Cassia, Family: Fabaceae )
- Cajanus cajan, Cajanus indicus (Pigeon Pea, Dhal, Gandul, Red Gram, Congo Pea, Gungo Pea, No Eye Pea, Family: Fabaceae )
- Caladium bicolor (Caladium, Fancy Leaved Caladium, Family: Araceae )
- Caladium lindenii, Xanthosoma lindenii Magnifica (Angel's Wing, Family: Araceae )
- Caladium praetermissum, Variety/cultivar: Hilo Beauty (Camouflage Alocasia, Hilo Beauty, Family: Araceae )
- Caladium steudneriifolium (Caladium, Family: Araceae )
- Calanthe sp. (Calanthe, Family: Orchidaceae )
- Calathea altissima, Goeppertia altissima (Calathea, Family: Marantaceae )
- Calathea burle-marxii (Ice Blue Calathea, Family: Marantaceae )
- Calathea crocata (Eternal flame, Family: Marantaceae )
- Calathea crotalifera (Rattlesnake Plant, Rattle Shaker, Rattlesnake Ginger, Yellow Rattleshaker, Family: Marantaceae )
- Calathea lietzei, Goeppertia lietzei (Calathea, Family: Marantaceae )
- Calathea loeseneri, Goeppertia loeseneri (Brazilian Star Calathea, Family: Marantaceae )
- Calathea lutea (Cigar Calathea, Family: Marantaceae )
- Calathea makoyana, Goeppertia makoyana, Maranta makoyana (Peacock plant, Family: Marantaceae )
- Calathea musaica, Goeppertia kegeljanii (Network Calathea, Family: Marantaceae )
- Calathea orbifolia, Goeppertia orbifolia (Peacock Plant, Family: Marantaceae )
- Calathea picturata, Goeppertia picturata (Calathea, Family: Marantaceae )
- Calathea roseopicta,Goeppertia roseopicta (Calathea, Family: Marantaceae )
- Calathea rufibarba, Goeppertia rufibarba (Velvet Calathea, Fuzzy Pheasant Feather, Furry Feather, Family: Marantaceae )
- Calathea sp. (Calathea, Family: Marantaceae )
- Calathea warscewiczii,Goeppertia warscewiczii (Calathea, Family: Marantaceae )
- Calceolaria sp. (Slipper flower, Slipperwort, Pocket book flower, Family: Calceolariaceae )
- Calendula officinalis (Pot Marigold, Scotch Marigold, Family: Asteraceae )
- Calibrachoa sp. (Million Bells, Trailing Petunia, Family: Solanaceae )
- Callerya atropurpurea, Millettia atropurpurea (Purple Milletia, Tulang Daing, Family: Fabaceae )
- Calliandra angustifolia, Calliandra stricta (Bobinsana, Family: Fabaceae )
- Calliandra brevipes, Calliandra selloi, Acacia selloi (Pink Powderpuff, Shuttlecock, Esponja, Esponjinha, Manduruva, Fairyduster, Mesquitilla, Mock mesquite, Quebra-foice, Family: Fabaceae )
- Calliandra californica (Baja Fairy Duster, Family: Fabaceae )
- Calliandra calothyrsus (Cabello de Angel (Angels Hair), Barbe Sol (The Suns Beard), Red Calliandra, Powderpuff, Family: Fabaceae )
- Calliandra haematocephala x surinamensis, Variety/cultivar: Nana (Dwarf Powderpuff Tree, Family: Fabaceae )
- Calliandra haematocephala, Calliandra inaequilatera (Rose cascade, Blood Red Tassel Flower, Family: Fabaceae )
- Calliandra houstoniana (Tree Calliandra, Red Powderpuff, Family: Fabaceae )
- Calliandra parvifolia (Powderpuff, Pink Calliandra, Plumerillo Rosado, Family: Fabaceae )
- Calliandra riparia, Calliandra schultzei (Dwarf Powderpuff, Family: Fabaceae )
- Calliandra sp. (Powder Puff, Family: Fabaceae )
- Calliandra surinamensis (Surinam Powder Puff, Pink Powder Puff, Surinamese Stickpea, Officiers-kwast, Family: Fabaceae )
- Calliandra tergemina , Variety/cultivar: emarginata (Powderpuff, Family: Fabaceae )
- Calliandra tweedii, Inga pulcherrima (Red Tassel Flower, Family: Fabaceae )
- Callicarpa americana (American Beautyberry, Family: Lamiaceae )
- Callicarpa bodinieri (Bodinier's Beautyberry, Family: Lamiaceae )
- Callicarpa japonica (Japanese Beautyberry, Murasaki Shikibu, Family: Lamiaceae )
- Callicarpa sp. (Beautyberry, Family: Lamiaceae )
- Callisia fragrans, Spironema fragrans (Basket Plant, Golden tendril, Russian Holistic Medicinal Plant, Family: Commelinaceae )
- Callisia gentlei , Variety/cultivar: elegans (Callisia, Family: Commelinaceae )
- Callisia repens (Bolivian Jew, Turtle Vine, Inch plant, Family: Commelinaceae )
- Callisia soconuscensis (Callisia, Dragon Tail, Family: Commelinaceae )
- Callisia sp. (Roselings, Family: Commelinaceae )
- Callistemon comboynensis (Cliff Bottlebrush, Comboyne Bottlbrush, Family: Myrtaceae )
- Callistemon sp. (Bottlebrush, Family: Myrtaceae )
- Callistemon sp., Variety/cultivar: 'Kings Park Special'
- Callistemon viminalis (Bottlebrush, Family: Myrtaceae )
- Calocephalus brownii (Cushion Bush , Family: Asteraceae )
- Calodendrum capense, Dictamnus calodendrum (Cape Chestnut, Family: Rutaceae )
- Calonyction aculeatum, Ipomoea alba (Giant moonflower, Family: Convolvulaceae )
- Calophyllum eputamen (Tatamaka, Family: Calophyllaceae )
- Calophyllum inophyllum (Alexandrian Laurel, Beauty Leaf, Oil-nut Tree, Tamanu, Mastwood , Family: Calophyllaceae )
- Calophyllum soulattri (Bintang, Family: Calophyllaceae )
- Calothamnus quadrifidus (Common Net Bush, One-sided Bottlebrush, Family: Myrtaceae )
- Calothamnus sp. (Common Net Bush, Family: Myrtaceae )
- Calotropis gigantea (Giant Milkweed, Crown Flower, Giant Calotrope, Arka, Jilledu, Erukkam Madar, White Madaar, Family: Apocynaceae )
- Calotropis procera (Swallow-Wort, Sedom Apple, Dead Sea Apple, Family: Apocynaceae )
- Calpurnia aurea (Common Calpurnia, Wild Laburnum, Natal Laburnum, Family: Fabaceae )
- Caltha palustris (Marsh Marigold, Cowflock, Cowslip, Kingcup, Family: Ranunculaceae )
- Calvoa orientalis, Calvoa sessiliflora (Calvoa, Family: Melastomataceae )
- Calycanthus chinensis, Sinocalycanthus chinensis (Chinese Wax Shrub, Family: Calycanthaceae )
- Calycanthus floridus (Sweetshrub, Carolina allspice, Strawberry shrub, Pineapple shrub, Family: Calycanthaceae )
- Calycophyllum spruceanum (Capirona, Family: Rubiaceae )
- Calycopteris floribunda (Ukshi, Family: Combretaceae )
- Calyptranthes pallens (Spicewood, Pale Lidflower, Family: Myrtaceae )
- Calyptrogenia biflora (Twoflower Calyptrogenia, Family: Myrtaceae )
- Calyptrogyne ghiesbreghtiana (Coligallo Palm, Family: Arecaceae / Palmae )
- Calytrix exstipulata (Turkey Bush, Family: Myrtaceae )
- Calytrix tetragona, Calytrix sullivanii (Fringe Myrtle, Star flowers, Family: Myrtaceae )
- Camassia sp. (Indian Hyacinth, Camas, Quamash,, Family: Asparagaceae )
- Camellia japonica, Camellia sasanqua (Camellia, Family: Theaceae )
- Camellia sinensis (Tea plant, Family: Theaceae )
- Camoensia scandens, Camoensia maxima (Climbing Camoensia, Family: Fabaceae )
- Campanula sp. (Bellflower, Family: Campanulaceae )
- Campsis grandiflora, Bignonia grandiflora, Campsis chinensis (Chinese Trumpet Creeper, Family: Bignoniaceae )
- Campsis radicans (Scarlet Trumpet Vine, Red Bignonia, Blood Trumpet, Dynamic Trumpet Vine, Family: Bignoniaceae )
- Camptosema grandiflora (Crista-De-Galo, Dwarf Red Jade Vine, Brazilian Red Jade Vine, Family: Fabaceae )
- Camptotheca acuminata (Happy Tree, Cancer Tree, or Tree of Life, Family: Nyssaceae )
- Cananga fruticosa, Cananga odorata var. Fruticosa, Cananga kirkii (Dwarf Ylang-Ylang, Dwarf Chanel #5 Tree, Family: Annonaceae )
- Cananga odorata, Unona odoratissima (Ylang Ylang, Perfume Tree, Chanel #5 Tree, Ilang-ilang, Maramar, Pka Kdang Gnea, Family: Annonaceae )
- Canarium harveyi (Canarium Nut, Family: Burseraceae )
- Canarium odontophyllum (Dabai, Family: Burseraceae )
- Canarium ovatum (Pili Nut, Family: Burseraceae )
- Canavalia sp. (Magic Bean, Kaattuthambattan, Beach Bean, Seaside Bean, Jackbean, Family: Fabaceae )
- Canella winterana (Winter Cinnamon, Wild Cinnamon, Family: Canellaceae )
- Canistrum aurantiacum (Bromeliad, Family: Bromeliaceae )
- Canna glauca (Aquatic Canna, Maraca Amarilla, Water Canna , Family: Cannaceae )
- Canna sp. (Canna Lily, Canna, Family: Cannaceae )
- Canna x generalis, Canna indica (Canna Lily, Indian Shot, Family: Cannaceae )
- Cannabis sativa, Cannabis indica, Cannabis ruderalis (Cannabis, Family: Cannabaceae )
- Capirona decorticans (Capirona, Family: Rubiaceae )
- Capparis cartilaginea, Capparis sinaica (Capparis, Family: Capparaceae )
- Capparis cynophallophora, Quadrella jamaicensis (Jamaica Caper Tree, Mustard Tree, Family: Capparaceae )
- Capparis decidua (Karira, Retama Caper, Family: Capparaceae )
- Capparis erythrocarpus (Pitipiti, Apana, Patahofuo, Family: Capparaceae )
- Capparis micracantha (Capertree, Chingchee, Family: Capparaceae )
- Capparis spinosa (Caper, Family: Capparaceae )
- Capparis tomentosa (Woolly Caper-bush, Family: Capparaceae )
- Capsicum annuum (Sweet Pepper, Chilli Pepper, Cayenne Pepper, Paprika, Ornamental pepper, Family: Solanaceae )
- Capsicum baccatum (Starfish Pepper, Brazilian Starfish, Christmas Bell, Bishops Crown, Family: Solanaceae )
- Capsicum chinense (Yellow Lantern Chili, Family: Solanaceae )
- Capsicum frutescens (Wiri Wiri Pepper, Family: Solanaceae )
- Caragana arborescens (Siberian Peashrub, Family: Fabaceae )
- Carallia brachiata, Diatoma brachiata, Petalotoma brachiata (Freshwater Mangrove, Carallia, Family: Rhizophoraceae )
- Caralluma speciosa (Caralluma, Family: Apocynaceae )
- Carapa guianensis (Crabwood, Andiroba, Bastard-mahogany, Family: Meliaceae )
- Cardiocrinum giganteum, Lilium giganteum (Giant Lily , Family: Liliaceae )
- Cardiospermum corindum (Balloon Vine, Love in a Puff, Heartseed Vine, Family: Sapindaceae )
- Careya arborea, Careya sphaerica, Barringtonia arborea, Careya orbiculata (Cocky apple, Kra doon, Slow Match Tree, Wild Guava, Family: Lecythidaceae )
- Carica papaya (Papaya, Family: Caricaceae )
- Carica papaya, Variety/cultivar: dwarf (Dwarf Papaya, Family: Caricaceae )
- Carica pentagona (Champagne Fruit, Babaco, Family: Caricaceae )
- Carissa carandas (Karanda, Family: Apocynaceae )
- Carissa macrocarpa, Carissa grandiflora (Natal Plum, Family: Apocynaceae )
- Carludovica palmata (Panama Hat Plant, Toquilla Palm, Family: Cyclanthaceae )
- Carludovica sp. (Carludovica Palm, Jungle Drum, Family: Cyclanthaceae )
- Carnegiea gigantea (Saguaro, Family: Cactaceae )
- Carpentaria acuminata (Carpentaria Palm, Family: Arecaceae / Palmae )
- Carphalea kirondron (Madagascan, Family: Rubiaceae )
- Carpobrotus acinaciformis (Hottentot Fig, Giant Pigface, Family: Aizoaceae )
- Carpobrotus edulis (Highway Iceplant, Hottentot Fig, Iceplant, Family: Aizoaceae )
- Carpobrotus sp. (Hottentot Fig, Family: Aizoaceae )
- Carthamus sp. (Safflower, Carthamine, Sallflower, Beni, Chimichanga, Family: Asteraceae )
- Carya illinoinensis, Carya pecan (Pecan, Family: Juglandaceae )
- Caryodendron orinocense (Orinoco nut, Cacay, Barinas nut, Family: Euphorbiaceae )
- Caryopteris sp. (Bluebeard, Family: Lamiaceae )
- Caryopteris xclandonensis (Bluebeard, Blue Spirea, Blue Mist shrub, Family: Lamiaceae )
- Caryota gigas (Thai Mountain Giant, Family: Arecaceae / Palmae )
- Caryota mitis (Fish Tail Palm, Family: Arecaceae / Palmae )
- Caryota sp. (Solitary Fishtail Palm, Toddy Palm, Jaggery Palm, Wine Palm, Kitul, Family: Arecaceae / Palmae )
- Casasia clusiifolia (Seven-year Apple, Family: Rubiaceae )
- Cascabela thevetia, Thevetia neriifolia, Thevetia peruviana (Yellow Oleander, Still Tree, Lucky Nut, Family: Apocynaceae )
- Cascabela thevetioides, Thevetia thevetioides (Giant Thevetia, Large-flowered Yellow oleander, Family: Apocynaceae )
- Casearia corymbosa (Casearia, Family: Salicaceae )
- Casimiroa edulis (White Sapote, Family: Rutaceae )
- Cassia abbreviata (Long Pod Cassia, Sjambok Pod, Family: Fabaceae )
- Cassia afrofistula (Kenyan Shower, Family: Fabaceae )
- Cassia antillana, Senna nitida, Chamaefistula antillana, Cassia aurea (Golden Rain tree, Family: Fabaceae )
- Cassia bahamensis, Senna mexicana chapmanii (Bahama Senna, Bahama Cassia, Family: Fabaceae )
- Cassia bakeriana (Dwarf Apple Blossom Tree, Pink Cassia, Pink Shower Cassia, Wishing-tree, Family: Fabaceae )
- Cassia bakeriana x fistula (Apple Blossom Tree, Family: Fabaceae )
- Cassia brewsteri (Buy Cigar Cassia, Family: Fabaceae )
- Cassia didymobotrya (Popcorn Cassia, Peanut Butter Senna, Family: Fabaceae )
- Cassia fistula (Golden Shower Tree, Indian Laburnum, Ratchaphruek, Family: Fabaceae )
- Cassia javanica (Apple Blossom Tree, Apple Blossom Shower, Family: Fabaceae )
- Cassia leptophylla (Gold Medallion Tree, Golden Medallion Tree, Family: Fabaceae )
- Cassia marginata (Red Shower Tree, Red or Rose Cassia, Rainbow Tree, Family: Fabaceae )
- Cassia nodosa (Pink Shower Tree, Appleblossom Tree, Family: Fabaceae )
- Cassia occidentalis, Senna occidentalis, Cassia ligustrina (Coffee Senna, Fedegoso, Privet Cassia, Family: Fabaceae )
- Cassia roxburghii (Red Cassia, Ceylon Senna, Family: Fabaceae )
- Cassia siamea (Kassod Tree, Siamese Senna, Family: Fabaceae )
- Cassia sp., Variety/cultivar: Dwarf (Dwarf Cassia , Family: Fabaceae )
- Cassia sp. (Rainbow Shower, Family: Fabaceae )
- Cassia spectabilis, Senna spectabilis, Senna macranthera (Cassia, Scented Shower, Family: Fabaceae )
- Castanea sativa (Spanish Chestnut, European Chestnut, Sweet Chestnut, Family: Fagaceae )
- Castanospermum australe (Black Bean, Moreton Bay Chestnut, Family: Fabaceae )
- Castilla elastica (Panama Rubbertree, Family: Moraceae )
- Casuarina equisetifolia, Casuarina muricata (Australian Pine, Ironwood, Horsetail, Iron Wood, Family: Casuarinaceae )
- Catalpa bignonioides (Southern Catalpa, Indian Bean Tree, Family: Bignoniaceae )
- Catalpa longissima (Yoke-Wood, Haitian Catalpa, Jamaican Oak, Family: Bignoniaceae )
- Catasetum sp. (Catasetum, Family: Orchidaceae )
- Catesbaea spinosa (Lily Thorn, Family: Rubiaceae )
- Catha edulis (Bushman's Tea, Ghat, Khat, Qat, Family: Celastraceae )
- Catharanthus roseus, Vinca rosea (Madagascar Periwinkle, Vinca, Family: Apocynaceae )
- Catophractes alexandri (Trumpet Thorn, Family: Bignoniaceae )
- Cattleya sp. (Cattleya Orchid, Family: Orchidaceae )
- Catunaregam taylorii, Catunaregam spinosa, Randia vestita, Xeromphis obovata (Catunaregam, Family: Rubiaceae )
- Cautleya sp. (Cautleya Ginger, Family: Zingiberaceae )
- Cavanillesia platanifolia (Canoe Tree, Cuipo, Family: Malvaceae )
- Cavendishia melastomoides (Cavendishia, Family: Ericaceae )
- Cavendishia sp. (Cavendishia, Family: Ericaceae )
- Cavendishia tarapotana (Cavendishia, Family: Ericaceae )
- Ceanothus arboreus (Felt Leaf Ceanothus, California lilac, Tree Ceanothus, Family: Rhamnaceae )
- Ceanothus megacarpus (Bigpod ceanothus, Family: Rhamnaceae )
- Cecropia peltata (Cecropia, Yagrumo, Guarumo, Family: Moraceae )
- Cecropia sp. (Cecropia, Family: Moraceae )
- Cedrela fissilis (Cedro Blanco, Brazilian Cedarwood, Family: Meliaceae )
- Ceiba boliviana (Ceiba, Family: Malvaceae )
- Ceiba insignis, Chorisia insignis (White Floss Silk Tree, Drunken Tree, Family: Malvaceae )
- Ceiba pentandra (Kapok tree, Silk Cotton Tree, Family: Malvaceae )
- Ceiba samauma, Ceiba burchelli, Eriodendron samauma (Family: Malvaceae )
- Ceiba schottii (Painera, Pochote, Family: Malvaceae )
- Ceiba sp. (Ceiba, Floss Silk Tree, Kapok Tree, Family: Malvaceae )
- Ceiba speciosa, Chorisia speciosa (Silk Floss Tree, Bombax, Family: Malvaceae )
- Celastrus orbiculatus (Oriental Bittersweet, Climbing Spindleberry, Family: Celastraceae )
- Celosia argentea (Cockscomb, Feathered Amaranth, Woolflower, Red Fox, Family: Amaranthaceae )
- Celosia spicata (Amaranth Celosia, Family: Amaranthaceae )
- Celtis sp. (Bunge's Hackberry, Family: Ulmaceae )
- Celtis tala, Celtis spinosa, Celtis sellowiana (Tala, Family: Ulmaceae )
- Centaurea cyanus (Cornflower, Bachelor's Button, Bluebottle, Boutonniere Flower, Hurtsickle, Family: Asteraceae )
- Centaurea sp. (Basketflower, Cornflower, Family: Asteraceae )
- Centaurium erythraea (European Centaury, Bitter Herb, Family: Gentianaceae )
- Centradenia sp. (Spanish Shawl, Family: Melastomataceae )
- Centranthus ruber (Red Valerian , Family: Valerianaceae )
- Centropogon sp. (Centropogon, Family: Campanulaceae )
- Centrosema sp. (Butterfly Pea, Family: Fabaceae )
- Cephalocereus polylophus, Neobuxbaumia polylopha, Carnegiea polylopha (Cone Cactus, Wax Cactus, Golden-Spined Saguaro, Golden Saguaro, Family: Cactaceae )
- Cephalocereus senilis (Old Man Cactus , Family: Cactaceae )
- Cephalotaxus fortunei (Chinese Plum Yew, Chinese Cowtail Pine, Family: Cephalotaxaceae )
- Cephalotaxus harringtonia (Japanese Plum Yew, Harrington's Cephalotaxus, Cowtail Pine, Family: Cephalotaxaceae )
- Ceraria namaquensis, Portulacaria namaquensis (Namaqualand Ceraria, False Portulacaria, Namaqua Porkbush, Family: Didiereaceae )
- Ceratonia siliqua (Carob, Algarroba, St. John's Bread, Locust Bean, Chocolate Tree, Family: Fabaceae )
- Ceratopteris cornuta (Water Sprite, Family: Pteridaceae )
- Ceratostema alatum (Ceratostema, Family: Ericaceae )
- Ceratostigma sp. (Blue Leadwood, Dwarf Plumbago, Leadwort, Family: Plumbaginaceae )
- Ceratotheca triloba (Wild Foxglove, Family: Pedaliaceae )
- Ceratozamia mexicana (Palmilla, Forest Pineapple, Family: Zamiaceae )
- Ceratozamia sp. (Ceratozamia, Family: Zamiaceae )
- Cerbera floribunda (Cassowary Plum, Cassowary Plum Tree, Grey Milkwood, Family: Apocynaceae )
- Cerbera odollam (Chiute, Chatthankai, Grey Milkwood, Sea Mango, Pong Pong Tree, Family: Apocynaceae )
- Cerbera sp. (Cerbera Enchanted Incense, Family: Apocynaceae )
- Cercestis mirabilis (African Embossed Plant, Family: Araceae )
- Cercis canadensis (Eastern Redbud, Judas Tree, Love Tree, Family: Fabaceae )
- Cercis chinensis, Cercis pauciflora (Chinese Redbud Tree, Family: Fabaceae )
- Cercis griffithii (Afghan Redbud, Griffith's Redbud, Family: Fabaceae )
- Cercis siliquastrum (Judas Tree, Love Tree, Family: Fabaceae )
- Cercis sp. (Redbud, Family: Fabaceae )
- Cereus peruvianus, Cereus repandus, Cereus uruguayanus, Cereus hildmannianus (Night Blooming Cereus, Peruvian Apple, Column Cactus, Apple Cactus, Family: Cactaceae )
- Ceriops tagal (Spurred Mangrove, Yellow Mangrove, Family: Rhizophoraceae )
- Ceropegia ampliata (Horny Wonder, Bushman's pipe, Condom Plant, Boesmanpypblom , Family: Apocynaceae )
- Ceropegia linearis subsp. debilis (String of Needles, Rosary Vine, Family: Apocynaceae )
- Ceropegia meyeri (Ceropegia, Family: Apocynaceae )
- Ceropegia sandersonii (Parachute Plant, Umbrella Flower, Family: Apocynaceae )
- Ceropegia woodii, Ceropegia linearis subsp. woodii (Rosary Vine, Chain of hearts, Family: Apocynaceae )
- Cestrum aurantiacum, Cestrum chaculanum, Cestrum paucinervium (Yellow Cestrum, Family: Solanaceae )
- Cestrum diurnum (White Chocolate Jasmine, Inkberry, Day Jessamine, Day Blooming Jasmine, China Berry, Family: Solanaceae )
- Cestrum elegans (Butterfly flower, Red cestrum, Family: Solanaceae )
- Cestrum nocturnum (Night Blooming Jasmine, Queen of the Night, Night Jessamine, Lady of the Night, Huele de Noche, Family: Solanaceae )
- Cestrum pseudoquina (Quina de Matto, Family: Solanaceae )
- Cestrum sp. (Butterfly Flower, Family: Solanaceae )
- Chaenomeles sp. (Flowering quince, Dwarf quince, Family: Rosaceae )
- Chamaecrista sp. (Wild Sensitive Plant, Partridge Pea , Family: Fabaceae )
- Chamaecytisus proliferus (Tagasaste, Family: Fabaceae )
- Chamaedorea cataractarum, Chamaedorea atrovirens (Cat palm, Cataract Palm, Cascade Palm, Family: Arecaceae / Palmae )
- Chamaedorea elegans, Collinia elegans, Neanthe bella (Parlour Palm, Family: Arecaceae / Palmae )
- Chamaedorea metallica (Parlor Palm, Miniature Fishtail Palm, Family: Arecaceae / Palmae )
- Chamaedorea seifrizii, Chamaedorea erumpens (Bamboo Palm, Family: Arecaceae / Palmae )
- Chamaedorea sp. (Chamaedorea, Family: Arecaceae / Palmae )
- Chamaedorea tuerckheimii (Potato Chip Palm, Ruffles Palm, Family: Arecaceae / Palmae )
- Chamaeranthemum venosum (India Plant , Family: Acanthaceae )
- Chamaerops humilis (Dwarf Fan Palm, European Fan Palm, Family: Arecaceae / Palmae )
- Chambeyronia macrocarpa (Red Leaf Palm, Red Feather Palm, Flame Thrower Palm, Blushing Palm, Family: Arecaceae / Palmae )
- Chamelaucium leptocaulum (Waxflower, Family: Myrtaceae )
- Chamelaucium uncinatum, Darwinia uncinata (Geraldton Waxflower, Family: Myrtaceae )
- Chasmanthe aethiopica (Cobra Lily , Family: Iridaceae )
- Chasmanthe floribunda, Antholyza floribunda (Pennants, African Cornflag, Family: Iridaceae )
- Cheilocostus globosus (Cheilocostus, Family: Zingiberaceae )
- Cheniella tenuiflora, Bauhinia polysperma, Bauhinia glauca subsp. tenuiflora, Bauhinia caterviflora, Bauhinia tenuiflora (Glaucous Climbing Bauhinia, Climbing Orchid Tree, Family: Fabaceae )
- Chilopsis linearis (Desert Willow, Family: Bignoniaceae )
- Chiloschista lunifera (Thailand orchid, Family: Orchidaceae )
- Chiococca alba (David's Milkberry, West Indian Milkberry, West Indian Snowberry, Family: Rubiaceae )
- Chionanthus virginicus (Fringe Tree, Old Man's Beard, Family: Oleaceae )
- Chloranthus erectus, Chloranthus officinalis (Chloranthus, Family: Chloranthaceae )
- Chloroleucon tortum, Pithecellobium tortum (Brazilian Raintree, Family: Fabaceae )
- Chlorophytum orchidantheroides, Chlorophytum amaniense, Chlorophytum orchidastrum (Mandarin Plant, Fire Flash, Fire Glory, Family: Asparagaceae )
- Chlorophytum sp. (Spider Plant, Family: Asparagaceae )
- Choisya sp., Variety/cultivar: 'Aztec Pearl' (Mexican Orange Blossom, Family: Rutaceae )
- Choisya ternata (Mexican Orange Blossom, Family: Rutaceae )
- Chonemorpha fragrans, Chonemorpha macrophylla (Frangipani vine, Family: Apocynaceae )
- Chonemorpha penangensis (Frangipani Vine, Family: Apocynaceae )
- Chorigyne cylindrica (Chorigyne, Family: Cyclanthaceae )
- Chorizema cordatum (Heart-leaf Flame Pea, Australian Flame Pea, Family: Fabaceae )
- Christia obcordata, Christia subcordata, Lourea obcordata (Butterfly Stripe Plant, Swallowtail, Iron Butterfly, Cordata, Family: Fabaceae )
- Christia sp. (Swallowtail, Family: Fabaceae )
- Chromolaena odorata, Eupatorium odoratum, Osmia odorata (Siam weed, Chritsmas Bush, Bitter Bush, Baby Tea, Family: Asteraceae )
- Chrysalidocarpus cabadae, Dypsis cabadae (Cabada Palm, Family: Arecaceae / Palmae )
- Chrysalidocarpus lutescens, Areca lutescens, Dypsis lutescens (Yellow Butterfly Palm, Cane Palm, Madagascar Palm, Golden Feather Palm, Yellow Palm, Bamboo Palm, Areca Palm, Family: Arecaceae / Palmae )
- Chrysanthemum carinatum, Chrysanthemum tricolor (Painted Daisy, Tricolor Daisy , Family: Asteraceae )
- Chrysobalanus icaco (Cocoplum, Paradise Plum, Family: Chrysobalanaceae )
- Chrysocephalum apiculatum (Yellow Buttons, Family: Asteraceae )
- Chrysojasminum floridum, Jasminum odoratissimum, Jasminum floridum, Jasminum fruticans (Showy Jasmine, Florida Jasmine, Yellow Jasmine, Fruity Jasmine, Family: Oleaceae )
- Chrysophyllum argenteum (Caimito de mono, Bastard Redwood, Family: Sapotaceae )
- Chrysophyllum cainito, Achras caimito (Caimito, Star Apple, Satin Leaf, Family: Sapotaceae )
- Chrysophyllum gonocarpum (Guatambu-De-Leite, Family: Sapotaceae )
- Chrysophyllum imperiale (Chrysophyllum, Family: Sapotaceae )
- Chrysophyllum oliviforme (Satinleaf, Satin Leaf , Family: Sapotaceae )
- Chrysothemis friedrichsthaliana, Tussacia friedrichsthaliana (Chrysothemis, Family: Gesneriaceae )
- Chrysothemis pulchella (Copper Leaf, Black Flamingo , Family: Gesneriaceae )
- Chukrasia tabularis (Burmese Almondwood, Chickrassy, Chittagong Wood, Family: Meliaceae )
- Cimicifuga racemosa (Black Cohosh, Squawroot, Family: Ranunculaceae )
- Cinchona sp. (Quinine, Fever Tree, Jesuit's bark, Family: Rubiaceae )
- Cinnamodendron ekmanii (Canelilla, Canelillo, Family: Canellaceae )
- Cinnamomum aromaticum, Cinnamomum cassia (Cassia cinnamon, Chinese cinnamon, Family: Lauraceae )
- Cinnamomum camphora (Camphor Tree, Camphor Laurel, Family: Lauraceae )
- Cinnamomum iners (Cinnamon, Family: Lauraceae )
- Cinnamomum kotoense (Canela, Cinnamon Plant, Family: Lauraceae )
- Cinnamomum sintok (Sintok, Family: Lauraceae )
- Cinnamomum sp. (Cinnamon, Family: Lauraceae )
- Cinnamomum zeylanicum, Cinnamomum verum (Cinnamon, Family: Lauraceae )
- Cissus amazonica (Amazonian Vine, Family: Vitaceae )
- Cissus cactiformis (Cucumber Cactus, Family: Vitaceae )
- Cissus discolor, Vitis discolor (Rex Begonia Vine, Painted Cissus, Tapestry Vine , Family: Vitaceae )
- Cissus gongylodes (Treebine, Wing Stemmed Grape Ivy, Family: Vitaceae )
- Cissus quadrangularis, Vitis quadrangularis (Veld grape, Family: Vitaceae )
- Cissus rhombifolia (Grape Ivy, Oak Leaf Ivy, Water Vine, Kangaroo Grape, Kangaroo Treebine, Family: Vitaceae )
- Cissus rotundifolia (Arabian Wax Leaf, Peruvian Grape Ivy, Venezuelan Treebine, Succulent Grape, Family: Vitaceae )
- Cissus sicyoides, Cissus verticillata (Possum Grape Vine, Princess Vine, Season Vine, Monkey Liana, Family: Vitaceae )
- Cissus striata, Vitis striata, Parthenocissus striata, Sugar Vine (Miniature Grape Ivy, Ivy of Uruguay, Family: Vitaceae )
- Cissus tuberosa (Caudex-forming Cissus, Family: Vitaceae )
- Cissus tweediana (Cissus, Family: Vitaceae )
- Cistanche sp. (Cistanche, Family: Orobanchaceae )
- Cistus incanus, Cistus villosus (Hairy Rockrose, Pink Rockrose, Family: Cistaceae )
- Cistus ladanifer (Gum Rockrose, Crimson-spot Rockrose , Family: Cistaceae )
- Cistus salviifolius (Sageleaf Rockrose, Salvia Cistus, Family: Cistaceae )
- Cistus sp. (Rockrose, Family: Cistaceae )
- Citharexylum caudatum (Juniper Berry, Fiddlewood, Family: Verbenaceae )
- Citharexylum fruticosum (Fiddlewood, Family: Verbenaceae )
- Citharexylum montevidense (Taruman, Fiddlewood, Family: Verbenaceae )
- Citharexylum spinosum, Citharexylum quadrangulare, Citharexylum subserratum (Fiddlewood, Boo-nge Saaree, Family: Verbenaceae )
- Citrofortunella mitis (Calamondin, Calamondin Orange, China Orange, Musk Lime, Panama Orange, Philippine Orange, To-kumquat, Family: Rutaceae )
- Citrofortunella sp. (Calamondin, Family: Rutaceae )
- Citronella gongonha (Congon, Naranjillo, Family: Cardiopteridaceae )
- Citrus aurantifolia (Mexican Lime, Key lime, West Indian lime, Family: Rutaceae )
- Citrus australasica, Microcitrus australasica (Finger Lime, Caviar Lime, Family: Rutaceae )
- Citrus australis (Australian Lime, Family: Rutaceae )
- Citrus bergamia (Bergamot orange, Family: Rutaceae )
- Citrus hystrix (Indonesian lime, Wild lime, Kaffir Lime, Family: Rutaceae )
- Citrus junos (Yuzu, Family: Rutaceae )
- Citrus limetta (Sweet Lime, Sweet Lemon, Family: Rutaceae )
- Citrus limettioides (Indian Sweet Lime, Palestinian Lime, Lima Dulce, Pinata Lime, Family: Rutaceae )
- Citrus limon, Variety/cultivar: Pink (Pink Lemonade Lemon, Family: Rutaceae )
- Citrus limon (Lemon, Family: Rutaceae )
- Citrus limon, Variety/cultivar: Ponderosa (Giant Lemon, Ponderosa Lemon, Wonder Lemon, Family: Rutaceae )
- Citrus maxima, Citrus grandis (Pomelo, Pommelo, Pummelo, Family: Rutaceae )
- Citrus medica (Citron, Family: Rutaceae )
- Citrus paradisi (Grapefruit, Family: Rutaceae )
- Citrus reticulata (Mandarin Orange, Family: Rutaceae )
- Citrus trifoliata, Poncirus trifoliata (Hardy Orange, Trifoliate Orange, Family: Rutaceae )
- Citrus x aurantium (Bitter Orange, Seville Orange, Sour Orange, Bigarade Orange, Family: Rutaceae )
- Citrus x Meyeri (Meyer Lemon, Family: Rutaceae )
- Citrus x sinensis (Orange, Family: Rutaceae )
- Citrus x tangelo (Tangelo, Honeybell, Minneola Tangelo, Family: Rutaceae )
- Clappertonia ficifolia, Honckenya ficifolia (Bolo Bolo, Family: Malvaceae )
- Clappertonia minor, Honkenya minor (Clappertonia, Family: Malvaceae )
- Clarkia amoena, Godetia amoena (Atlasflower, Farewell-to-Spring, Godetia, Family: Onagraceae )
- Clausena excavata (Pink Lime Berry, Family: Rutaceae )
- Clausena lansium, Clausena punctata, Cookia wampi, Quinaria lansium (Wampee, Wampi, Family: Rutaceae )
- Clavija domingensis (Lengua de Buey, Langue de boeuf, Haiti Clavija, Family: Primulaceae )
- Clavija ornata, Clavija longifolia (Ornate Clavija, Family: Primulaceae )
- Clavija sp. (Clavija, Family: Primulaceae )
- Claytonia perfoliata (Miner's Lettuce, Rooreh, Indian Lettuce, Winter Purslane, Family: Montiaceae )
- Cleistocactus sp. (Cleistocactus, Family: Cactaceae )
- Cleistopholis glauca (Sobu, Family: Annonaceae )
- Clematis montana (Himalayan Clematis, Anemone Clematis, Family: Ranunculaceae )
- Clematis sp. (Clematis, Old Man's Beard, Traveler's Joy, Virgin's Bower, Family: Ranunculaceae )
- Clematis tangutica (Golden Clematis, Russian Virgin's Bower, Family: Ranunculaceae )
- Clematis terniflora (Sweet Autumn Clematis, Family: Ranunculaceae )
- Cleome hassleriana, Cleome spinosa (Spider Flower, Crown Flower, Family: Capparaceae )
- Cleome isomeris, Isomeris arborea (Bladderpod Spiderflower, Burro Fat, Family: Capparaceae )
- Clerodendrum bungei (Cashmere (Cashmir) bouquet, Glory Bower, Clerodendron, Family: Lamiaceae )
- Clerodendrum calamitosum (White Butterfly Bush, Family: Lamiaceae )
- Clerodendrum heterophyllum, Clerodendrum aculeatum (Tree of little stars, Escambron, Tamourette, Family: Lamiaceae )
- Clerodendrum inerme, Volkameria inermis (Wild Jasmine, Sorcerers Bush, Seaside clerodendrum, Clerodendron, Family: Lamiaceae )
- Clerodendrum laevifolium, Clerodendrum wallichii, Clerodendrum nutans (Bridal veil, Nodding Clerodendron, Family: Lamiaceae )
- Clerodendrum mastacanthum, Rotheca mastacantha, Rotheca mastacanthus, Rotheca macrodonta (Pink Butterfly Bush, Family: Lamiaceae )
- Clerodendrum minahassae (Fountain Clerodendrum, Clerodendron, Tube Flower, Family: Lamiaceae )
- Clerodendrum paniculatum (Pagoda Flower, Orange Tower Flower, Clerodendron, Family: Lamiaceae )
- Clerodendrum philippinum, Clerodendrum fragrans pleniflorum, Clerodendrum chinense, Volkameria fragrans (Chinese Glory Bower, Cashmere bouquet, Scent Malli, False Pikake, Glory Tree, Clerodendron, Family: Lamiaceae )
- Clerodendrum quadriloculare (Winter Starburst, Fireworks, Clerodendron, Family: Lamiaceae )
- Clerodendrum sahelangii, Clerodendrum indicum, Clerodendrum infortunatum (Champagne Clerodenrum, Turks Turban, Skyrocket, Clerodendron, Family: Lamiaceae )
- Clerodendrum schmidtii, Clerodendrum smithianum (Chains of Glory, Lightbulb Flower, Family: Lamiaceae )
- Clerodendrum sp. (Clerodendron, Family: Lamiaceae )
- Clerodendrum speciosissimum, Clerodendrum fallax, Clerodendrum japonicum (Java Glorybower, Clerodendron, Family: Lamiaceae )
- Clerodendrum speciosum, Clerodendrum delectum (Bleeding heart, Clerodendron, Family: Lamiaceae )
- Clerodendrum splendens (Flaming Glorybower, Clerodendron, Family: Lamiaceae )
- Clerodendrum thomsoniae (Bleeding heart, Glory bower, Clerodendron, Family: Lamiaceae )
- Clerodendrum trichotomum (Harlequin Glory, Clerodendron, Family: Lamiaceae )
- Clethra arborea (Lily of the Valley Tree, Family: Clethraceae )
- Cleyera sp. (Family: Pentaphylacaceae )
- Clianthus puniceus (Kaka Beak, Parrot Beak, Lobster Claw, Family: Fabaceae )
- Clidemia octona, Melastoma octona, Heterotrichum octonum (Clidemia, Family: Melastomataceae )
- Clidemia petiolaris (Clidemia, Family: Melastomataceae )
- Clidemia taurina (Clidemia, Family: Melastomataceae )
- Clinacanthus nutans (Snake plant, Phaya-Yor, Family: Acanthaceae )
- Clinopodium nepeta, Calamintha nepeta (Lesser Calamint, Family: Lamiaceae )
- Clitoria fairchildiana (Orchid Tree, Clitorea Tree, Philippine Pigeonwings, Family: Fabaceae )
- Clitoria ternatea (Butterfly Pea, Asian Pigeonwings, Family: Fabaceae )
- Clivia miniata (Bush Lily, Boslelie, Family: Amaryllidaceae )
- Clusia fluminensis (Dwarf Clusia, Clusia 'Nana', Family: Clusiaceae / Guttiferae )
- Clusia guttifera (Small Leaf Clusia, Dwarf Autograph Tree, Small Leaf Pitch Apple , Family: Clusiaceae / Guttiferae )
- Clusia hilariana (Clusia, Family: Clusiaceae / Guttiferae )
- Clusia lanceolata (Porcelain Flower, Copey, Balsam Apple, Pitch Apple, Cerra cipapao apple, Family: Clusiaceae / Guttiferae )
- Clusia orthoneura, Clusia Braziliana (Brazilian Clusia, Porcelain Flower, Family: Clusiaceae / Guttiferae )
- Clusia rosea (Copey, Balsam Apple, Pitch Apple, Autograph tree, Family: Clusiaceae / Guttiferae )
- Clusia sp. (Clusia, Family: Clusiaceae / Guttiferae )
- Clytostoma callistegioides, Bignonia lindleyana (Violet Trumpet Vine, Lavender Trumpet Vine, Family: Bignoniaceae )
- Cnidoscolus aconitifolius (Spinach Tree, Tread Softly, Cabbage Star, Chaya, Family: Euphorbiaceae )
- Cnidoscolus aconitifolius, Variety/cultivar: variegata (Variegated Chaya, Variegated Maya Spinach Tree, Family: Euphorbiaceae )
- Cnidoscolus chayamansa (Maya Spinach Tree, Chaya Col, Kikilchay, Chaykeken, Family: Euphorbiaceae )
- Cnidoscolus sp. (Cnidoscolus, Family: Euphorbiaceae )
- Cnidoscolus tehuacanensis (Mala Mujer, Family: Euphorbiaceae )
- Cobaea scandens (Cathedral Bells, Cup and Saucer Vine, Family: Polemoniaceae )
- Coccinia grandis (Ivy Gourd, Scarlet Gourd, Tindora, Family: Cucurbitaceae )
- Coccinia indica (Donda, Bimbika, Family: Cucurbitaceae )
- Coccinia palmata (Scarlet Gourd, Family: Cucurbitaceae )
- Coccinia sessilifolia (Borobohlolo, Family: Cucurbitaceae )
- Coccinia trilobata, Coccinia kilimandjarica, Peponia trilobata (Coccinia, Family: Cucurbitaceae )
- Coccocypselum herbaceum (Coccocypselum, Family: Rubiaceae )
- Coccoloba diversifolia (Pigeonplum, Doveplum, Pigeon Seagrape, Tietongue)
- Coccoloba pubescens (Grandleaf Seagrape, Tin Roof Tree, Family: Polygonaceae )
- Coccoloba rugosa (Red-flowered Sea Grape, Cardboard Leaf, Family: Polygonaceae )
- Coccoloba sp. (Coccoloba, Family: Polygonaceae )
- Coccoloba uvifera (Sea grape, Family: Polygonaceae )
- Coccothrinax argentata, Coccothrinax garberi, Coccothrinax jucunda (Florida Silver Thatch Palm, Family: Arecaceae / Palmae )
- Coccothrinax barbadensis (Silver Thatch, Barbados Silver Palm, Family: Arecaceae / Palmae )
- Coccothrinax borhidiana (Borhidi's Guano Palm, Family: Arecaceae / Palmae )
- Coccothrinax crinita (Old Man Palm, Thatch Palm, Family: Arecaceae / Palmae )
- Coccothrinax miraguama (Miraguama Palm, Family: Arecaceae / Palmae )
- Coccothrinax readii, Coccothrinax argentata of Henderson (Mexican Silver Palm, Knacas, Nakax, Mexican Silver Thatch Palm, Family: Arecaceae / Palmae )
- Coccothrinax sp. (Old Man Palm, Family: Arecaceae / Palmae )
- Cocculus laurifolius (Laurel-leaf Snailseed, Family: Menispermaceae )
- Cochleanthes aromatica, Zygopetalum aromaticum (Cochleanthes, Family: Orchidaceae )
- Cochliasanthus caracalla, Vigna caracalla, Phaseolus caracalla (Corkscrew flower, Snail vine, Family: Fabaceae )
- Cochliostema odoratissimum, Cochliostema jacobianum (Cochliostema, Family: Commelinaceae )
- Cochlospermum fraseri (Kapok, Family: Cochlospermaceae )
- Cochlospermum gillivraei (Kapok, Family: Cochlospermaceae )
- Cochlospermum gregorii (Cotton Tree, Family: Cochlospermaceae )
- Cochlospermum regium (Yellow Cotton Tree , Family: Cochlospermaceae )
- Cochlospermum religiosum, Cochlospermum gossypium (Silk Cottontree , Family: Cochlospermaceae )
- Cochlospermum sp. (Yellow Cotton Tree , Family: Cochlospermaceae )
- Cochlospermum vitifolium (Buttercup tree, Mountain Cotton, Cotton-tree, Family: Cochlospermaceae )
- Cocos nucifera (Coconut Palm, Coco-do-baia, Family: Arecaceae / Palmae )
- Coddia rudis (Coddia , Family: Rubiaceae )
- Codiaeum variegatum (Croton, Family: Euphorbiaceae )
- Codiaeum variegatum , Variety/cultivar: Golden Arrowhead (Golden Arrowhead Croton, Family: Euphorbiaceae )
- Codon royenii (Honey Bush, Family: Codonaceae )
- Codonanthe gracilis (Codonanthe, Family: Gesneriaceae )
- Coelogyne sp. (Coelogyne, Family: Orchidaceae )
- Coffea arabica (Coffee, Family: Rubiaceae )
- Coffea canephora, Coffea robusta (Coffee, Family: Rubiaceae )
- Coffea dewevrei, Coffea liberica var. dewevrei, Coffea excelsa (Excelsa Coffee, Family: Rubiaceae )
- Coffea myrtifolia, Coffea vaughanii (Wild Coffee, Family: Rubiaceae )
- Coffea stenophylla (Highland Coffee of Sierra Leone, Family: Rubiaceae )
- Cola gigantea (Giant Cola, Family: Malvaceae )
- Cola sp. (Cola Nut, Kola, Guru Nut, Family: Malvaceae )
- Colchicum sp. (Autumn Crocus, Family: Colchicaceae )
- Coleonema sp. (Confetti Bush, Family: Rutaceae )
- Coleus barbatus, Plectranthus barbatus (Indian Coleus, Family: Lamiaceae )
- Coleus scutellarioides, Solenostemon scutellarioides, Plectranthus scutellarioides, Coleus blumei verschaffeltii (Coleus hybridus, Painted Nettle, Family: Lamiaceae )
- Colletia hystrix (Crucifixion Thorn, Barbed Wire Bush, Family: Rhamnaceae )
- Colletia paradoxa, Colletia cruciata (Anchor Plant, Family: Rhamnaceae )
- Colocasia antiquorum, Variety/cultivar: 'Illustris' (Imperial Taro, Family: Araceae )
- Colocasia esculenta, Variety/cultivar: 'Mojito' (Colocasia 'Mojito', Family: Araceae )
- Colocasia esculenta, Variety/cultivar: 'Midnight' (Colocasia 'Midnight', Family: Araceae )
- Colocasia esculenta (Black colocasia, Black Magic, Taro, Black Elephant Ear, Malanga Amarillo, Dasheen, Family: Araceae )
- Colocasia esculenta, Variety/cultivar: 'White Lava' (Colocasia 'White Lava', Family: Araceae )
- Colocasia esculenta, Variety/cultivar: 'Maui Sunrise' (Elephant Ear 'Maui Sunrise', Family: Araceae )
- Colocasia esculenta, Variety/cultivar: Pharaohs Mask (Colocasia Pharaohs Mask, Family: Araceae )
- Colocasia Redemption (Redemption Elephant Ear, Family: Araceae )
- Colocasia sp. (Elephant Ear, Mafafa, Taro Root, Family: Araceae )
- Colophospermum mopane (Mopane, Turpentine Tree , Family: Fabaceae )
- Colubrina arborescens (Green Heart, Snake-bark, Family: Rhamnaceae )
- Columnea banksii , Variety/cultivar: Carnival (Goldfish Plant, Family: Gesneriaceae )
- Columnea purpureovittata, Trichantha purpureovittata (Columnea , Family: Gesneriaceae )
- Columnea sp. (Flying Goldfish Plant, Family: Gesneriaceae )
- Colutea cilicica (Turkish Bladder Senna, Family: Fabaceae )
- Colutea x media (Orange Bladder Senna, Family: Fabaceae )
- Colvillea racemosa (Colville's glory, Colvillia, Family: Fabaceae )
- Combretum apiculatum (Red Bushwillow, Family: Combretaceae )
- Combretum aubletii (Monkey's brush, Family: Combretaceae )
- Combretum caffrum (Riverbushwillow, African bush willow, Cape Bushwillow, Bushveld willow, Family: Combretaceae )
- Combretum coccineum (Scarlet Comb, Family: Combretaceae )
- Combretum constrictum (Thailand Powderpuff, Ball of Fire, Family: Combretaceae )
- Combretum erythrophyllum (Bush willow, Family: Combretaceae )
- Combretum fruticosum (Orange Flame Vine, Chameleon Vine, Family: Combretaceae )
- Combretum grandiflorum (Showy combretum, Family: Combretaceae )
- Combretum indicum (Thai Double Flower Rangoon Creeper, Family: Combretaceae )
- Combretum indicum, Quisqualis indica (Rangoon Creeper, Burma Creeper, Chinese Honeysuckle, Family: Combretaceae )
- Combretum kraussii (Forest Bushwillow , Family: Combretaceae )
- Combretum microphyllum, Combretum paniculatum subsp. microphyllum (Flame Creeper, Burning Bush, Family: Combretaceae )
- Combretum padoides (Thicket Bushwillow, Family: Combretaceae )
- Combretum sp. (Flame Creeper, Burning Bush, Family: Combretaceae )
- Commelina sp. (Dayflower, Family: Commelinaceae )
- Commiphora abyssinica (Myrrh Tree, Family: Burseraceae )
- Commiphora gileadensis, Commiphora opobalsamum (Balm of Gilead, Mecca Myrrh , Family: Burseraceae )
- Commiphora humbertii (Commiphora, Family: Burseraceae )
- Commiphora mossambicensis, Commiphora fischeri (Pepper-leaved Commiphora, Family: Burseraceae )
- Commiphora orbicularis (Commiphora, Family: Burseraceae )
- Commiphora sp. (Commiphora, Velvet(-leaved) Corkwood., Family: Burseraceae )
- Congea tomentosa (Wooly Shower Orchid Bush, Family: Lamiaceae )
- Conocarpus erectus (Button Mangrove, Florida Buttonwood, Family: Combretaceae )
- Conostegia subcrustulata, Miconia subcrustulata (Conostegia, Family: Melastomataceae )
- Conostegia xalapensis (Canallito, Family: Melastomataceae )
- Conostylis aculeata (Prickly Conostylis, Family: Haemodoraceae )
- Conostylis candicans (Grey Cottonhead, Family: Haemodoraceae )
- Consolea rubescens, Opuntia rubescens (Road Kill Cactus, Family: Cactaceae )
- Consolida sp. (Larkspur, Knight's Spur, Family: Ranunculaceae )
- Convolvulus sp. (Bindweed, Family: Convolvulaceae )
- Copernicia baileyana (Bailey Palm, Yarey Palm, Family: Arecaceae / Palmae )
- Copernicia fallaensis (Giant Yarey Palm, Family: Arecaceae / Palmae )
- Copernicia macroglossa (Cuban Petticoat Palm, Family: Arecaceae / Palmae )
- Copernicia prunifera (Carnauba Wax Palm, Family: Arecaceae / Palmae )
- Copernicia sp. (Copernicia, Family: Arecaceae / Palmae )
- Coprosma kirkii (Mirror Plant, Family: Rubiaceae )
- Coprosma repens (Dwarf Variegated Mirror Plant, Family: Rubiaceae )
- Coptosperma littorale, Tarenna littoralis, Enterospermum littorale (Coptosperma, Family: Rubiaceae )
- Corallocarpus grevei (Corallocarpus, Family: Cucurbitaceae )
- Cordia boissieri (Texas Olive, Anacahuita, Family: Boraginaceae )
- Cordia caffra (Septee, Saucer-berry, Family: Boraginaceae )
- Cordia dentata (Cordia Suwana-Pruek, Family: Boraginaceae )
- Cordia goeldiana (Freijo, Jenny Wood, Family: Boraginaceae )
- Cordia lutea (Yellow Geiger, Muyuyo, Family: Boraginaceae )
- Cordia myxa (Assyrian Plum, Lasura, Family: Boraginaceae )
- Cordia parvifolia (Little Leaf Cordia, Family: Boraginaceae )
- Cordia rupicola, Varronia rupicola (Puerto Rico Manjack, Cliff Manjack, Family: Boraginaceae )
- Cordia salvifolia, Cordia nesophila (Islandloving Cordia, Black Sage, Family: Boraginaceae )
- Cordia scabra, Cordia sebestena (Geiger Tree, Scarlet Cordia, Aloe Wood, Family: Boraginaceae )
- Cordia sp. (Cordia, Family: Boraginaceae )
- Cordia subcordata (Mareer, Manjak, Kerosene Tree, Snottygobbles, Glueberry, Kou Wood, Family: Boraginaceae )
- Cordia superba (Brazilian Cordia, Geiger Tree White, Family: Boraginaceae )
- Cordyline australis (Cabbage Tree, Family: Asparagaceae )
- Cordyline fruticosa, Cordyline terminalis (Hawaiian Ti Leaf, Family: Asparagaceae )
- Cordyline sp. (Cordyline, Family: Asparagaceae )
- Cordyline stricta (Narrow-leaved Palm Lily, Family: Asparagaceae )
- Coreopsis sp. (Tickseed, Family: Asteraceae )
- Coriandrum sativum (Coriander, Cilantro, Ketumbar, Family: Apiaceae / Umbelliferae )
- Cornukaempferia sp. (Orange Peacock Ginger, Family: Zingiberaceae )
- Cornus alba (Red-barked Dogwood, Family: Cornaceae )
- Cornus capitata, Benthamia fragifera, Dendrobenthamia capitata (Himalayan Strawberry tree, Ewergreen Dogwood, Bentham's Cornus, Family: Cornaceae )
- Cornus controversa, Swida controversa (Giant Dogwood, Wedding Cake Tree, Family: Cornaceae )
- Cornus florida (Flowering Dogwood, Family: Cornaceae )
- Cornus mas (Cornelian Cherry Dogwood, Family: Cornaceae )
- Cornus sp. (Dogwood, Family: Cornaceae )
- Cornutia grandifolia (Tropical Lilac, African Lilac, Jamaican Lilac, Family: Lamiaceae )
- Coronilla valentina, Coronilla glauca (Crown vetch, Family: Fabaceae )
- Correa backhousiana (Velvet Correa, Backhous fuchsia, Family: Rutaceae )
- Correa sp. (Australian fuchsia, Family: Rutaceae )
- Corylopsis pauciflora (Buttercup Winter Hazel, Family: Hamamelidaceae )
- Corymbia setosa, Eucalyptus setosa (Rough-leaved Bloodwood, Family: Myrtaceae )
- Corymbia terminalis, Eucalyptus terminalis (Bloodwood, Family: Myrtaceae )
- Corymbia torelliana, Eucalyptus torelliana (Cadaga, Cadaghi, Gumtree, Torell's Eucalyptus, Family: Myrtaceae )
- Corynocarpus laevigata, Variety/cultivar: Variegata (Variegated New Zealand Laurel, Family: Corynocarpaceae )
- Corypha sp. (Dhaka Plant (C. taliera), Gebang Palm, Family: Arecaceae / Palmae )
- Corypha umbraculifera (Talipot Palm, Buri, Family: Arecaceae / Palmae )
- Corytoplectus capitatus, Alloplectus capitatus (Alloplectus, Family: Gesneriaceae )
- Cosmos sulphureus (Sulfur Cosmos, Yellow Cosmos, Family: Asteraceae )
- Cossinia pinnata (Bois de Judas, Family: Sapindaceae )
- Costus afer (Spiral Ginger, Family: Costaceae )
- Costus erythrophyllus (Ox Blood Costus, Red Wine Costus, Family: Costaceae )
- Costus fissiligulatus (African Princess, Spiral Ginger, Cameroon Costus, Family: Costaceae )
- Costus igneus, Chamaecostus cuspidatus (Insulin Plant, Fiery Costus, Spiral Flag, Family: Costaceae )
- Costus lucanusianus (African Spiral Flag, Family: Costaceae )
- Costus malortieanus (Stepladder Ginger, Family: Costaceae )
- Costus productus (Costus, Family: Costaceae )
- Costus sp. (Spiral Ginger, Family: Costaceae )
- Costus sp., Variety/cultivar: 'Variegated' (Variegated Spiral Ginger, Family: Costaceae )
- Costus speciosus, Cheilocostus speciosus (Crepe Ginger, Family: Costaceae )
- Costus spicatus, Alpinia spicata (Red Button Ginger, Spiked Spiralflag, French Kiss, Family: Costaceae )
- Costus stenophyllus (Bamboo Costus, Family: Costaceae )
- Costus woodsonii (Red Button Ginger, Scarlet spiral flag, French Kiss, Dwarf Cone Ginger, Family: Costaceae )
- Cotinus coggygria, Rhus cotinus (Smoketree, Family: Anacardiaceae )
- Cotoneaster sp. (Cotoneaster, Family: Rosaceae )
- Cotyledon ladismithiensis, Cotyledon tomentosa ssp. ladismithiensis (Bear 's Paws, Family: Crassulaceae )
- Cotyledon orbiculata (Pig's Ear, Family: Crassulaceae )
- Cotyledon undulata (Silver Crown, Silver Ruffles, Family: Crassulaceae )
- Couepia polyandra (Olosapo, Family: Chrysobalanaceae )
- Coula edulis (Gabon Nut, African Walnut, Bush Kola, Family: Olacaceae )
- Couroupita guianensis (Cannonball Tree, Family: Lecythidaceae )
- Coutarea hexandra (Azulejo, Quina, Family: Rubiaceae )
- Crassula arborescens (Silver Dollar Plant, Family: Crassulaceae )
- Crassula erosula, Variety/cultivar: 'Campfire' (Campfire Crassula, Family: Crassulaceae )
- Crassula expansa (Family: Crassulaceae )
- Crassula falcata, Crassula perfoliata var. falcata (Propeller Plant, Scarlet Paintbrush, Airplane Plant, Family: Crassulaceae )
- Crassula muscosa, Crassula lycopodioides, Crassula pseudolycopodioides (Rattail Crassula, Watch Chain, Lizard's Tail, Zipper Plant, Princess Pine, Family: Crassulaceae )
- Crassula ovata, Crassula argentea, Crassula portulacea, Crassula obliqua (Jade Plant, Dollar Plant, Money Tree, Family: Crassulaceae )
- Crassula pellucida (Crassula, Family: Crassulaceae )
- Crassula rupestris (Kebab Bush, Concertina Bush, Bead Vine, Rosary Vine, Family: Crassulaceae )
- Crassula sarmentosa (Showy Trailing Jade, Family: Crassulaceae )
- Crassula sp. (Crassula, Family: Crassulaceae )
- Crassula streyi (Pondoland Crassula, Family: Crassulaceae )
- Crataegus sp. (Blackthorn, Cockspur, Hawthorn, Washington Thorn, Family: Rosaceae )
- Crateva adansonii (Garlic Pear Tree, Three-leaf Caper, Obtuse Leaf Crateva, Family: Capparaceae )
- Crateva religiosa (Sacred Garlic Pear, Temple Plant, Family: Capparaceae )
- Crateva sp. (Spider Flower Tree, Family: Capparaceae )
- Crateva tapia (Spider Flower Tree, Tapia, Zapotilla, Amarillo, Poporo, Tejoruco, Cachimbo, Trompo, Family: Capparaceae )
- Cratoxylum cochinchinense, Hypericum cochinchinense (Yellow Cow Wood, Kayu Arang, Kemutong, Tree-Avens, Family: Clusiaceae / Guttiferae )
- Cratoxylum formosum (Mempat, Family: Clusiaceae / Guttiferae )
- Cratoxylum glaucum, Cratoxylum microphyllum, Cratoxylum polystachyum, Cratoxylum procerum (Gerangan, Family: Hypericaceae )
- Crescentia alata, Parmentiera alata (Gourd tree, Jicaro, Morrito. Calabash Tree, Family: Bignoniaceae )
- Crescentia cujete (Calabash Tree, Krabasi, Kalebas, Huingo, Family: Bignoniaceae )
- Crinodendron hookerianum, Tricuspidaria lanceolat (Chilean Lantern Tree, Family: Elaeocarpaceae )
- Crinodendron patagua (Patagua, Family: Elaeocarpaceae )
- Crinum asiaticum (Swamp lily, River lily, Spider lily, Family: Amaryllidaceae )
- Crinum pedunculatum (Swamp lily, River lily, Spider lily, Family: Amaryllidaceae )
- Crinum sp. (River Lily, Family: Amaryllidaceae )
- Crocosmia sp. (Coppertips, Falling Stars, Montbretia, Family: Iridaceae )
- Crocus sativus (Saffron, Family: Iridaceae )
- Crossandra infundibuliformis, Variety/cultivar: Nile Queen (Red crossandra, Family: Acanthaceae )
- Crossandra infundibuliformis, Variety/cultivar: Orange (Tropic Flame, Family: Acanthaceae )
- Crossandra infundibuliformis, Variety/cultivar: Shamrock (Green Shrimp, Green Ice Crossandra, Turquoise Crossandra, Family: Acanthaceae )
- Crossandra infundibuliformis, Crossandra undulifolia , Variety/cultivar: Yellow (Yellow Crossandra, Family: Acanthaceae )
- Crossandra pungens (Firecracker Plant, Firecracker Flower, Family: Acanthaceae )
- Crossandra zuluensis (Crossandra, Family: Acanthaceae )
- Crossopetalum ilicifolium (Christmasberry, Quailberry, Family: Celastraceae )
- Crossyne guttata, Brunsvigia ciliaris, Boophane ciliaris, Boophane guttata (Seeroogblom, Sambreelblom, Haarblaar, Family: Amaryllidaceae )
- Crotalaria agatiflora (Canary Bird Bush, Family: Fabaceae )
- Crotalaria pallida (Smooth Rattlebox, Family: Fabaceae )
- Crotalaria retusa (Devil Bean, Rattleweed, Shack Shack, Family: Fabaceae )
- Crotalaria sp. (Madagascar Pea, Canary beak, Cape Rattlepod, Family: Fabaceae )
- Croton ciliatoglandulifer (Bush Croton, Mexican Croton, Family: Euphorbiaceae )
- Croton draco, Croton panamensis, Croton draco ssp. panamensis (Dragon's Blood, Family: Euphorbiaceae )
- Croton eluteria, Cascarilla officinalis (Cascarilla, Family: Euphorbiaceae )
- Croton lachnocarpus (Hairyfruit Croton, Family: Euphorbiaceae )
- Croton sylvaticus (Forest Fever Berry, Woodland Croton, Family: Euphorbiaceae )
- Croton tiglium (Croton Oil Plant, Family: Euphorbiaceae )
- Crowea saligna (Willow-leaved Crowea, Family: Rutaceae )
- Cryosophila stauracantha, Cryosophila argentea, Cryosophila bifurcata (Rootspine Palm, Family: Arecaceae / Palmae )
- Cryosophila williamsii (Lago Yojoa Palm, Root-Spine Palm , Family: Arecaceae / Palmae )
- Cryptanthus sp. (Cryptanthus, Bromeliad, Family: Bromeliaceae )
- Cryptocereus anthonyanus, Selenicereus anthonyanus (Anthonys Rick-Rack, Zig-Zag Cactus, Fishbone Orchid Cactus, Family: Cactaceae )
- Cryptomeria japonica (Japanese Cryptomeria, Japanese Cedar, Sugi, Family: Cupressaceae )
- Cryptostegia grandiflora (Rubber vine, Purple Allamanda, Family: Apocynaceae )
- Cryptostegia madagascariensis (Rubber vine, Purple Allamanda, Family: Apocynaceae )
- Ctenanthe lubbersiana (Bamburanta, Never-Never Plant, Family: Marantaceae )
- Ctenanthe sp. (Bamburanta, Never-Never Plant, Family: Marantaceae )
- Cubanola domingensis, Portlandia domingensis (Cubanola, Tree Lily, Campanita Criolla, Family: Rubiaceae )
- Cucumis metuliferus (African Horned Cucumber, Kiwano, Family: Cucurbitaceae )
- Cucurbita pepo (Pumpkin, Scallop, Zucchini, Ornamental gourds, Family: Cucurbitaceae )
- Culcasia mannii, Aglaonema mannii (Family: Araceae )
- Cuminum cyminum (Cumin, Family: Apiaceae / Umbelliferae )
- Cunonia capensis (Butterspoon Tree , Family: Cunoniaceae )
- Cupaniopsis anacardioides (Carrotwood, Family: Sapindaceae )
- Cuphea carthagenensis (Tarweed, Colombian Cuphea, Colombian Waxweed, Family: Lythraceae )
- Cuphea hyssopifolia (Mexican False Heather, False Heather, Hawaiian Heather, Elfin Herb, Family: Lythraceae )
- Cuphea ignea (Cigar Flower, Cigarette Plant, Firecracker Plant, Family: Lythraceae )
- Cuphea llavea, Cuphea barbigera (Cigar Plant, Bat Head, Bat Face, St Peter Plant, Family: Lythraceae )
- Cuphea melvilla, Cuphea micropetala (Candy Corn Plant, Family: Lythraceae )
- Cuphea sp. (Cigarette Plant, Family: Lythraceae )
- Cuphea sp., Variety/cultivar: 'Twinkle Pink' (Cuphea, Family: Lythraceae )
- Curcuma alismatifolia (Siam Tulip, Family: Zingiberaceae )
- Curcuma longa (Spice Turmeric, Longevity Spice, Indian Saffron, Tumeric, Family: Zingiberaceae )
- Curcuma roscoeana, Curcuma kurzii, Curcuma coccinea (jewel of Burma, Orange Ginger, Orange Siam Tulip, Family: Zingiberaceae )
- Curcuma sp. (Turmeric, Siam Tulip, Family: Zingiberaceae )
- Curio articulatus, Senecio articulatus, Kleinia articulata (Hot Dog Cactus, Candle Plant, Family: Asteraceae )
- Curio herreanus, Senecio herreianus (Gooseberry, String of Beads, Family: Asteraceae )
- Curio rowleyanus, Senecio rowleyanus (String of pearls, String of peas, Bead Plant, Family: Asteraceae )
- Curio x peregrinus, Senecio x peregrinus (Dolphin Necklace, Flying Dolphins, Senecio Hippogriff, Family: Asteraceae )
- Cussonia paniculata (Kiepersol, Family: Araliaceae )
- Cussonia sp. (Cabbage Tree, Family: Araliaceae )
- Cussonia spicata (Common Cabbage Tree, Kiepersol, Family: Araliaceae )
- Cyanastrum cordifolium (Cyanastrum, Family: Tecophilaeaceae )
- Cyanotis beddomei, Cyanotis kewensis (Teddy Bear Vine, Family: Commelinaceae )
- Cyanotis somaliensis, Tradescantia somaliensis (Furry Kittens, Pussy Ears, Family: Commelinaceae )
- Cyanotis speciosa (Doll's Powderpuff, Wandering Jew, Family: Commelinaceae )
- Cyathea australis, Alsophila australis (Rough Tree Fern, Family: Cyatheaceae )
- Cyathea contaminans (Blue Tree Fern, Family: Cyatheaceae )
- Cyathea cooperi, Sphaeropteris cooperi (Australian Tree fern, Hapuu Fern, Family: Cyatheaceae )
- Cyathea dealbata, Alsophila tricolor (Silver Tree Fern, Ponga, Family: Cyatheaceae )
- Cyathea medullaris (Mamaku, Black Tree Fern, Family: Cyatheaceae )
- Cyathea princeps, Cyathea bourgaei, Sphaeropteris horrida (Tree Fern, Palma de Montana, Family: Cyatheaceae )
- Cyathea quindiuensis, Sphaeropteris quindiuensis (Helecho Arboreo , Family: Cyatheaceae )
- Cyathea smithii (Soft Tree Fern, Golden Tree Fern, Katote, Family: Cyatheaceae )
- Cyathea sp. (Tree Fern, Family: Cyatheaceae )
- Cycas angulata (Angular Cycas, Ngathu, Family: Cycadaceae )
- Cycas armstrongii (Fire Fern, Family: Cycadaceae )
- Cycas calcicola (Cycas, Family: Cycadaceae )
- Cycas circinalis, Cycas undulata, Cycas wallichii (Queen Sago, Family: Cycadaceae )
- Cycas maconochiei (Cycas, Family: Cycadaceae )
- Cycas ophiolitica (Cycas Marlborough Blue, Family: Cycadaceae )
- Cycas revoluta (Sago Palm, King Sago, Family: Cycadaceae )
- Cycas rumphii (False Sago, Family: Cycadaceae )
- Cycas sp. (Cycas, Cycad, Family: Cycadaceae )
- Cycas thouarsii (Madagascar Cycad, Madagascar Sago, Family: Cycadaceae )
- Cyclamen sp. (Persian Violet, Family: Primulaceae )
- Cyclanthera pedata, Momordica pedata (Caigua, Wild Cucumber, Stuffing Cucumber, Family: Cucurbitaceae )
- Cyclanthus bipartitus (Cyclanthus, Family: Cyclanthaceae )
- Cydonia oblonga (Quince, Family: Rosaceae )
- Cylindropuntia leptocaulis, Opuntia leptocaulis (Desert Christmas Cactus, Desert Christmas Ccholla, Pencil Cactus, Family: Cactaceae )
- Cylindropuntia sp. (Cylindropuntia, Cholla, Family: Cactaceae )
- Cymbidium sp. (Cymbidium, Family: Orchidaceae )
- Cymbopogon citratus (Lemon Grass, Oil Grass, Family: Poaceae )
- Cymbopogon nardus (Citronella Grass, Nardus, Nard Grass, Mana Grass, Family: Poaceae )
- Cymbopogon winterianus (Citronella Grass, Family: Poaceae )
- Cynanchum viminale, Sarcostemma viminale (Caustic Bush, Rapunzel Plant, Family: Apocynaceae )
- Cynara cardunculus (Artichoke, Family: Asteraceae )
- Cynometra cauliflora (Nam Nam, Family: Fabaceae )
- Cynometra malaccensis (Kekatong, Katong Katong, Belangan, Family: Fabaceae )
- Cynometra ramiflora (Balitbitan, Catong Laut, Family: Fabaceae )
- Cynophalla flexuosa, Morisonia flexuosa, Capparis flexuosa (Limber Caper, Bayleaf Capertree, Family: Capparaceae )
- Cyperus alternifolius (Papyrus, Umbrella Sedge, Galingale, Family: Cyperaceae )
- Cyperus haspan (Dwarf Papyrus, Sharp Edge Sedge, Haspan Flatsedge, Family: Cyperaceae )
- Cyperus papyrus (Papyrus, Paper Reed, Nile Grass, Family: Cyperaceae )
- Cyperus sp. (Flatsedge, Family: Cyperaceae )
- Cyphomandra abutiloides (Dwarf Tamarillo Tree, Family: Solanaceae )
- Cyphostemma bainesii, Cissus bainesii, Vitis bainesii (African Tree Grape, Gouty Vine, Butterwood Tree, Family: Vitaceae )
- Cyphostemma cirrhosum (Tree Grape, Family: Vitaceae )
- Cyphostemma currori (Tree Grape, Family: Vitaceae )
- Cyphostemma juttae (Bastard Cobas, Wild Grape, Tree Grape, Namibian Grape, Family: Vitaceae )
- Cyphostemma lanigerum, Cissus lanigera (Wooly Cyphostemma, Family: Vitaceae )
- Cyphostemma laza, Cissus laza (Laza, Family: Vitaceae )
- Cyphostemma pachypus (Cyphostemma, Family: Vitaceae )
- Cyphostemma roseiglandulosa (Cyphostemma, Family: Vitaceae )
- Cyphostemma sp. (Tree Grape, Family: Vitaceae )
- Cyrtanthus mackenii (Ifafa Lily , Family: Amaryllidaceae )
- Cyrtanthus sp. (Cyrtanthus, Family: Amaryllidaceae )
- Cyrtochilum sp. (Cyrtochilum, Family: Orchidaceae )
- Cyrtomium falcatum (Holly Fern, Family: Dryopteridaceae / Aspleniaceae )
- Cyrtopodium punctatum (Bee Swarm Orchid, Cigar Orchid, Cowhorn Orchid, Family: Orchidaceae )
- Cyrtosperma carrii (Cyrtosperma, Family: Araceae )
- Cyrtosperma johnstonii (Arbi, Family: Araceae )
- Cyrtosperma merkusii (Pulaka, Swamp Taro, Giant Swamp Taro, Family: Araceae )
- Cyrtostachys renda, Cyrtostachys lakka (Lipstick Palm, Sealing Wax Palm, Family: Arecaceae / Palmae )
- Cytisus purpureus (Purple Broom, Family: Fabaceae )
- Cytisus scoparius, Sarothamnus scoparius (Scotch Broom, Common Broom, Family: Fabaceae )
- Cytisus sp. (Broom, Family: Fabaceae )
- Cytisus x praecox (Scotch Broom, Warminster Broom , Family: Fabaceae )
- Dacryodes edulis (Bush Pear, Bush Butter Tree , Family: Burseraceae )
- Dahlia imperialis (Bell Tree Dahlia, Family: Asteraceae )
- Dahlia sp. (Dahlia, Family: Asteraceae )
- Dais cotinifolia (Pompon tree, Pincushion tree, Kannabast, Family: Thymelaeaceae )
- Dalbergia armata (Thorny Rope , Family: Fabaceae )
- Dalbergia cochinchinensis, Dalbergia cambodiana (Thailand Rosewood, Family: Fabaceae )
- Dalbergia ecastaphyllum (Coinvine, Family: Fabaceae )
- Dalbergia latifolia, Dalbergia emarginata (Black Rosewood, Blackwood Tree, East Indian Rosewood, Indian Blackwood, Indian Rosewood, Malabar Rosewood, Family: Fabaceae )
- Dalbergia oliveri (Burma Tulipwood, Pinkwood, Tamalan Tree, Family: Fabaceae )
- Dalbergia sissoo (Sisu, Sissoo, Indian Rosewood, Family: Fabaceae )
- Dalechampia capensis (Dalechampia , Family: Euphorbiaceae )
- Dalechampia dioscoreifolia (Winged Beauty, Costa Rican Butterfly Vine, Family: Euphorbiaceae )
- Dalechampia spathulata, Dalechampia roezliana (Winged Beauty Shrub, Family: Euphorbiaceae )
- Dalechampia tiliifolia (Winged Beauty, Family: Euphorbiaceae )
- Daphne sp. (Winter Daphne, Family: Thymelaeaceae )
- Daphniphyllum griffithianum, Daphniphyllum laurinum (Daphniphyllum, Family: Daphniphyllaceae )
- Darlingtonia californica (California Pitcher Plant, Cobra Lily, Cobra Plant, Family: Sarraceniaceae )
- Darwinia sp. (Mountain Bells, Family: Myrtaceae )
- Dasiphora fruticosa, Potentilla fruticosa (Shrubby Cinquefoil, Family: Rosaceae )
- Dasylirion sp. (Desert Spoon, Family: Asparagaceae )
- Dasymaschalon dasymaschalum, Dasymaschalon blumei, Desmos dasymaschalus (Malayan Annona, Family: Annonaceae )
- Datura discolor (Desert Thorn Apple, Devil's Apple, Family: Solanaceae )
- Datura inoxia, Datura innoxia, Datura meteloides (Thorn Apple, Moonflower, Toloache, Jimson Weed, Angel's Trumpet, Stinkweed, Pricklyburr, Family: Solanaceae )
- Datura metel (Purple Horn-of-Plenty, Jimpson Weed, Devils Weed, Family: Solanaceae )
- Datura parajuli (Datura, Family: Solanaceae )
- Datura sp. (Thorn Apple, Angel's Trumpet, Family: Solanaceae )
- Datura stramonium (Jimsonweed, Thorn Apple, Devil's apple, Family: Solanaceae )
- Daubenya aurea (Daubenya, Family: Asparagaceae )
- Davallia sp. (Rabbits Foot Fern, Hare's-foot Fern, Family: Davalliaceae )
- Davidia involucrata (Dove Tree, Ghost Tree, Handkerchief Tree, Family: Nyssaceae )
- Davidsonia pruriens (Davidson's plum, Family: Davidsoniaceae )
- Debregeasia sp. (Debregeasia, Family: Urticaceae )
- Decaisnea fargesii (Dead Man's Fingers, Family: Lardizabalaceae )
- Decaspermum fruticosum (Brown Myrtle, Shrubby Decaspermum, Tailor Tree, Family: Myrtaceae )
- Deherainia smaragdina (Emerald Flower, Family: Primulaceae )
- Deinbollia oblongifolia (Dune Soapberry, Family: Sapindaceae )
- Deinostigma tamiana, Primulina tamiana, Chirita tamiana (Vietnamese Violet, Family: Gesneriaceae )
- Delonix elata, Poinciana elata, Delonix decaryi (Mseele, White Poinciana, White Gul Mohur, Vaadhanaaraayanan, Family: Fabaceae )
- Delonix floribunda, Delonix adansonioides (Baobab Poinciana, Family: Fabaceae )
- Delonix pumila (Dwarf Flamboyant, Family: Fabaceae )
- Delonix regia, Variety/cultivar: Golden (Flame tree, Flamboyant, Royal poinciana, Gul Mohr, Peacock Flower, Family: Fabaceae )
- Delonix regia, Variety/cultivar: flavida (Golden Royal Poinciana, Yellow Poinciana, Family: Fabaceae )
- Delonix regia, Poinciana regia (Flame tree, Flamboyant, Royal poinciana, Gul Mohr, Peacock Flower, Family: Fabaceae )
- Delosperma cooperi, Mesembryanthemum cooperi (Trailing Iceplant, Hardy Iceplant, Pink Carpet, Family: Aizoaceae )
- Delosperma echinatum (Pickle Plant, Pickle Cactus, Family: Aizoaceae )
- Delphinium sp. (Delphinium, Larkspur, Knight's Spur, Family: Ranunculaceae )
- Dendrobium anosmum, Dendrobium superbum (Fragrant Dendrobium, Family: Orchidaceae )
- Dendrobium bracteosum (Bracted Dendrobium, Family: Orchidaceae )
- Dendrobium constrictum, Pedilonum mimiense (Constricted Dendrobium, Family: Orchidaceae )
- Dendrobium densiflorum (Pineapple Orchid, Family: Orchidaceae )
- Dendrobium fimbriatum (Fringed-lipped Dendrobium, Family: Orchidaceae )
- Dendrobium formosum (Giant-flowered Dendrobium, Family: Orchidaceae )
- Dendrobium lindleyi, Dendrobium aggregatum (Dendrobium, Family: Orchidaceae )
- Dendrobium nobile (Dendrobium Nobile Orchid, Family: Orchidaceae )
- Dendrobium phalaenopsis (Dendrobium, Family: Orchidaceae )
- Dendrobium pierardii, Dendrobium aphyllum (Dendrobium Orchid, Family: Orchidaceae )
- Dendrobium sect. Latouria (Latouria, Family: Orchidaceae )
- Dendrobium sp. (Dendrobium Orchid, Family: Orchidaceae )
- Dendrobium sp., Variety/cultivar: 'Stripe Thailand' (Dendrobium 'Stripe Thailand', Family: Orchidaceae )
- Dendrobium sp., Variety/cultivar: 'Party Queen' (Dendrobium 'Party Queen', Family: Orchidaceae )
- Dendrobium sp., Variety/cultivar: Humming Butterfly (Butterfly Dendrobium, Family: Orchidaceae )
- Dendrocalamus giganteus, Bambusa gigantea (Giant Bamboo, Family: Poaceae )
- Dendrocalamus sp. (Giant Bamboo, Family: Poaceae )
- Dendrochilum filiforme (Golden Chain Orchid, Family: Orchidaceae )
- Dendrochilum latifolium (Large-leafed Dendrochilum, Family: Orchidaceae )
- Dendrochilum magnum (Large Dendrochilum, Family: Orchidaceae )
- Dendromecon rigida (Bush Poppy, Tree Poppy, Family: Papaveraceae )
- Dendrophylax funalis (Jamaican Ghost Orchid, Family: Orchidaceae )
- Dendrosicyos socotranus (Cucumber Tree, Family: Cucurbitaceae )
- Deplanchea sp. (Golden Bouquet, Yellow Pagoda Tree, Family: Bignoniaceae )
- Deppea splendens, Csapodya splendens (Golden Fuchsia, Family: Rubiaceae )
- Desfontainea spinosa (Chilean False Holly, Family: Loganiaceae )
- Desmodium umbellatum, Dendrolobium umbellatum (Horse Bush, Petai Laut, Family: Fabaceae )
- Desmos chinensis (Dwarf Ylang Ylang shrub, Family: Annonaceae )
- Desmos cochinchinensis (Dwarf Ylang Ylang shrub, Family: Annonaceae )
- Desmos filipes (Desmos, Family: Annonaceae )
- Desmos praecox (Desmos, Family: Annonaceae )
- Desmos sp. (Red Ylang-Ylang, Family: Annonaceae )
- Deuterocohnia sp., Abromeitiella sp. (Abromeitiella, Family: Bromeliaceae )
- Deutzia sp. (Deutzia, Family: Hydrangeaceae )
- Dialium cochinchinense (Velvet Tamarind, Loog Yi, Family: Fabaceae )
- Dianella sp. (Flax Lily, Family: Xanthorrhoeaceae )
- Dichondra argentea (Silver Falls, Silver Dichondra, Silver Pony-foot, Kidneyweed, Family: Convolvulaceae )
- Dichorisandra pendula (Weeping Blue Ginger, Blue Pendant, Family: Commelinaceae )
- Dichorisandra thyrsiflora (Blue Ginger, Brazilian Ginger, Family: Commelinaceae )
- Dichroa sp. (Dichroa, Family: Hydrangeaceae )
- Dichroa versicolor (Dichroa, Family: Hydrangeaceae )
- Dichromena sp., Rhynchospora sp. (Star Grass, Star Rush, White Topped Sedge, Family: Cyperaceae )
- Dichrostachys cinerea, Cailliea glomerata, Dichrostachys glomerata, Dichrostachys nutans, Mimosa cinerea (West African Sickle Bush, Marabou Thorn, Aroma, Kalahari Christmas tree, Chinese lantern tree, Marabou-thorn, Princess Earrings, Family: Fabaceae )
- Dicksonia antarctica (Soft Tree Fern, Man Fern, Family: Dicksoniaceae )
- Dicliptera suberecta, Justicia suberecta (Hummingbird Plant, Uruguayan Firecracker Plant, Family: Acanthaceae )
- Dicranopygium atrovirens, Carludovica atrovirens (Dicranopygium, Family: Cyclanthaceae )
- Dicranopygium stenophyllum (Dicranopygium, Family: Cyclanthaceae )
- Dictamnus albus, Dictamnus fraxinella (Burning Bush, Gas Plant, Dittany, Family: Rutaceae )
- Dictyoneura obtusa (Dictyoneura, Family: Sapindaceae )
- Dictyosperma album (Hurricane Palm, Princess Palm, Family: Arecaceae / Palmae )
- Didierea madagascariensis (Octopus Tree, Family: Didiereaceae )
- Didierea trollii (Octopus Plant, Family: Didiereaceae )
- Dieffenbachia seguine, Dieffenbachia maculata, Dieffenbachia picta (Dumbcane, Tuftroot, Family: Araceae )
- Dieffenbachia sp. (Dieffenbachia, Dumbcane, Family: Araceae )
- Dierama dracomontanum (Hairbells, Angel's Fshing Rod, Fairybells, Wandflowers , Family: Iridaceae )
- Dieterlea maxima, Ibervillea maxima (Dieterlea, Family: Cucurbitaceae )
- Dietes bicolor, Moraea bicolor (Evergreen Iris, Spanish Iris, African Iris, Family: Iridaceae )
- Dietes iridioides, Variety/cultivar: Amatola (African Iris, Fortnight Lily, Morea Iris, Family: Iridaceae )
- Dietes robinsoniana (Lord Howe Wedding Lily, Family: Iridaceae )
- Dietes sp. (Wild Iris, Fairy Iris, African Iris, Family: Iridaceae )
- Digitalis purpurea (Purple Foxglove, Lady's Glove, Family: Plantaginaceae )
- Dillenia alata (Red Beech, Golden Guinea Tree, Family: Dilleniaceae )
- Dillenia excelsa, Wormia excelsa (Simpor Laki, Family: Dilleniaceae )
- Dillenia indica, Dillenia speciosa (Elephant Apple, Chulta, Hondapara Tree, Ma-tad, Family: Dilleniaceae )
- Dillenia ingens (Giant-leaved Dillenia, Family: Dilleniaceae )
- Dillenia ovata (Kadah Simpoh, Simpoh Beludu, Family: Dilleniaceae )
- Dillenia philippinensis (Katmon, Philippine Elephant Apple, Philippines Simpoh, Family: Dilleniaceae )
- Dillenia serrata, Dillenia elliptica (Dillenia , Family: Dilleniaceae )
- Dillenia sp. (Dengen, Family: Dilleniaceae )
- Dillenia suffruticosa, Wormia suffruticosa (Simpoh Air, Shrubby Dillenia, Shrubby Simpoh, Family: Dilleniaceae )
- Dimocarpus longan, Euphoria longana, Nephelium longana (Longan, Dragon's Eye, Family: Sapindaceae )
- Dioclea sp. (Clusterpea, Family: Fabaceae )
- Dionaea muscipula (Venus flytrap, Family: Droseraceae )
- Dioon sp. (Virgin Palm, Family: Zamiaceae )
- Dioon spinulosum (Giant Dioon, Gum Palm, Family: Zamiaceae )
- Dioscorea alata (Purple Yam, Winged Yam, Family: Dioscoreaceae )
- Dioscorea bulbifera (Air Potato, Family: Dioscoreaceae )
- Dioscorea dodecaneura, Dioscorea discolor (Yam, Family: Dioscoreaceae )
- Dioscorea elephantipes, Dioscorea macrostachya, Dioscorea mexicana, Testudinaria elephantipes (Elephant foot, Turtle shell, Hottentot-Bread, Family: Dioscoreaceae )
- Dioscorea polystachya, Dioscorea batatas (Chinese Yam, Cinnamon-vine, Family: Dioscoreaceae )
- Dioscorea sp. (Yam, Family: Dioscoreaceae )
- Diospyros blancoi, Diospyros discolor (Velvet Apple, Mabolo, Family: Ebenaceae )
- Diospyros cauliflora (Diospyros, Family: Ebenaceae )
- Diospyros decandra (Gold Apple, Family: Ebenaceae )
- Diospyros kaki (Kaki, Japanese Persimmon, Oriental Persimmon, Sharon Fruit, Family: Ebenaceae )
- Diospyros lotus (Qua thi, Date Plum, Family: Ebenaceae )
- Diospyros maritima (Malaysian Persimmon, Sea Persimmon, Family: Ebenaceae )
- Diospyros nigra, Diospyros digyna, Diospyros obtusifolia (Black Sapote, Chocolate Pudding Fruit, Black/Chocolate Persimmon, Family: Ebenaceae )
- Diospyros sp. (Persimmon, Family: Ebenaceae )
- Diospyros virginiana (Persimmon, Family: Ebenaceae )
- Dipelta sp. (Dipelta, Boxleaf Honeysuckle, Family: Caprifoliaceae )
- Dipladenia sanderi, Mandevilla sanderi (Mandevilla, Family: Apocynaceae )
- Diplazium proliferum, Asplenium proliferum (Peacock Fern, Family: Aspleniaceae )
- Diplocyclos palmatus (Lollypop Climber, Family: Cucurbitaceae )
- Dipterocarpus sp. (Dipterocarpus, Family: Dipterocarpaceae )
- Disa sp. (Disa, Family: Orchidaceae )
- Dischidia minor, Dischidia nummularia (Kadul, Button Orchid, Family: Apocynaceae )
- Dischidia ovata (Hoya Watermelon, Dischidia Watermelon, Family: Apocynaceae )
- Dischidia pectenoides (Ant Plant, Family: Apocynaceae )
- Dischidia platyphylla (Dischidia, Family: Apocynaceae )
- Dischidia rafflesiana, Dischidia major (Ant Plant, Malayan Urn Vine, Rattle Sculls, Family: Apocynaceae )
- Dischidia ruscifolia (Million Hearts, Family: Apocynaceae )
- Dischidia sp. (Thailand blush, Family: Apocynaceae )
- Dischidiopsis parasitica, Dischidiopsis philippinensis, Conchophyllum philippinense, Marsdenia parasitica (Fuchsia Bud, Dildo Flower, Family: Apocynaceae )
- Disocactus ackermannii (Red Orchid Cactus, Family: Cactaceae )
- Disocactus phyllanthoides, Nopalxochia phyllanthoides, Phyllocactus phyllanthoides (Pond Lily Cactus, Deutsche Kaiserin,, Family: Cactaceae )
- Dissotis rotundifolia, Heterocentron elegans (Trailing Tibouchina, Dwarf Tibouchina, Spanish Shawl , Family: Melastomataceae )
- Distichochlamys orlowii (Distichochlamys , Family: Zingiberaceae )
- Distictis buccinatoria, Phaedranthus buccinatorious, Bignonia buccinatoria, Amphilophium buccinatorium (Mexican Blood Flower, Blood Trumpet Vine, Family: Bignoniaceae )
- Distimake dissectus, Merremia dissecta, Ipomoea sinuata, Convolvulus dissectus (Alamo Vine, White Convolvulus, Woodrose, Family: Convolvulaceae )
- Dockrillia rigida, Dendrobium desmotrichoides (The Rigid-Leafed Dockrillia, The Smooth Tongue Orchid, The Smooth Tick Orchid , Family: Orchidaceae )
- Dodecatheon meadia (Shooting Star, Pride of Ohio, Roosterheads, Prairie Pointers, Family: Primulaceae )
- Dodonaea multijuga (Hopseed Bush, Family: Sapindaceae )
- Dodonaea rigida, Dodonaea filifolia, Dodonaea falcata (Threadleaf Hopbush, Family: Sapindaceae )
- Dodonaea sp. (Hopseed bush, Family: Sapindaceae )
- Dodonaea viscosa (Hopseed bush, Family: Sapindaceae )
- Dolichandra unguis-cati, Macfadyena unguis-cati, Doxantha unguis-cati, Bignonia tweediana (Cat's Claw, Family: Bignoniaceae )
- Dolichandrone spathacea (Mangrove Trumpet Tree, Family: Bignoniaceae )
- Dombeya burgessiae (Pink Wild Pear, Pink Dombeya, Tropical Hydrangea, Family: Malvaceae )
- Dombeya cacuminum (Strawberry Snowball Tree, Family: Malvaceae )
- Dombeya cymosa (Natal Dombeya, Family: Malvaceae )
- Dombeya elegans (Pink Cloud, Mahot Rose, Family: Malvaceae )
- Dombeya rotundifolia (Wild Pear, Family: Malvaceae )
- Dombeya wallichii, Dombeya x cayeuxii (Pink Ball Tree, Tropical Hydrangea, Family: Malvaceae )
- Dombeya x seminole (Tropical Rose Hydrangea, Family: Malvaceae )
- Dorstenia bahiensis (Mattress Button Plant, Family: Moraceae )
- Dorstenia barteri (Dorstenia, Family: Moraceae )
- Dorstenia contrajerva (Contra Heirba, Contrayerva, Tusilla, Family: Moraceae )
- Dorstenia foetida (Dorstenia, Family: Moraceae )
- Dorstenia psilurus (Dorstenia, Family: Moraceae )
- Doryanthes palmeri (Giant Spear Lily, Queensland Mountain Lily, Family: Doryanthaceae )
- Doryopteris pedata (Doryopteris, Family: Pteridaceae )
- Dovyalis abyssinica, Aberia abyssinica (Abyssinian Gooseberry, Family: Flacourtiaceae )
- Dovyalis caffra (Kei Apple, Family: Salicaceae )
- Dovyalis hebecarpa (Tropical Apricot, Ceylon Gooseberry, Ketembilla, Family: Salicaceae )
- Dracaena angolensis, Sansevieria cylindrica, Sansevieria stuckyi (Snake Plant, Family: Asparagaceae )
- Dracaena cinnabari (Socotra Dragon Tree, Dragon Blood Tree, Family: Asparagaceae )
- Dracaena compacta (Dracaena Janet Craig, Family: Asparagaceae )
- Dracaena draco (Dragon Tree , Family: Asparagaceae )
- Dracaena fragrans (Corn plant, Family: Asparagaceae )
- Dracaena goldieana (Queen of Dracaenas, Green Zebra Plant, Family: Asparagaceae )
- Dracaena marginata (Madagascar Dragon Tree, Colorama, Money Tree, Family: Asparagaceae )
- Dracaena reflexa (Song of India, Family: Asparagaceae )
- Dracaena sanderiana (Lucky Bamboo, Curly Bamboo, Chinese Water Bamboo, Family: Asparagaceae )
- Dracaena sp. (Dracaena, Money Tree, Family: Asparagaceae )
- Dracaena surculosa, Dracaena godseffiana (Golddust Dracaena, Spoted-Leaf Dracaena, Japanese Bamboo, Gold Dust Plant, Family: Asparagaceae )
- Dracula simia (Monkey Orchid, Family: Orchidaceae )
- Dracula vespertilio, Masdevallia vespertilio (Bat-Shaped Dracula, Family: Orchidaceae )
- Drimiopsis sp. (Giant Squill, Measles Leaf, Family: Asparagaceae )
- Drimiopsis sp. (Giant Squill, Measles Leaf, Family: Asparagaceae )
- Drimys winteri (Winter's Bark, Canelo, Casca de anta, Family: Winteraceae )
- Drosera sp. (Sundew, Family: Droseraceae )
- Drymonia coccinea, Besleria coccinea, Alloplectus coccineus (Drymonia, Family: Gesneriaceae )
- Drymonia pendula, Alloplectus pendulus (Drymonia, Family: Gesneriaceae )
- Drymonia sp. (Drymonia, Family: Gesneriaceae )
- Drynaria rigidula, Polypodium rigidulum (Basket Fern, Family: Polypodiaceae )
- Drynaria willdenowii, Polypodium willdenowii (Basket Fern, Family: Polypodiaceae )
- Drypetes sp. (Drypetes, Family: Putranjivaceae )
- Duabanga grandiflora (Lampati, Family: Lythraceae )
- Duchesnea indica, Fragaria indica, Potentilla indica (Indian Strawberry, Mock Strawberry, Family: Rosaceae )
- Duguetia peruviana (Duguetia, Family: Annonaceae )
- Duguetia spixiana (Duguetia, Family: Annonaceae )
- Duguetia uniflora (Duguetia, Majagua blanca, Family: Annonaceae )
- Duperrea pavettifolia, Ixora pavettifolia, Mussaenda pavettifolia (West Indian Jasmine, Family: Rubiaceae )
- Duranta erecta, Duranta repens (Duranta, Honey Drops, Golden Dewdrop, Pigeon Berry, Family: Verbenaceae )
- Durio sp. (Durian, Durian Kuning, Durian Merah, Family: Malvaceae )
- Dyckia microcalyx (Dyckia, Family: Bromeliaceae )
- Dyckia remotiflora (Dyckia, Family: Bromeliaceae )
- Dyckia sp. (Dyckia, Family: Bromeliaceae )
- Dypsis decaryi, Neodypsis decaryi (Triangle Palm, Family: Arecaceae / Palmae )
- Dypsis lanceolata (Dypsis, Family: Arecaceae / Palmae )
- Dypsis lastelliana, Neodypsis lastelliana (Redneck Palm, Teddy Bear Palm, Family: Arecaceae / Palmae )
- Dypsis leptocheilos, Neodypsis leptocheilos (Teddy Bear Palm, Redneck Palm, Family: Arecaceae / Palmae )
- Dyschoriste oblongifolia (Snakeherb, Twinflower, Family: Acanthaceae )
- Dysoxylum densiflorum (Dysoxylum, Family: Meliaceae )
- Dysoxylum gaudichaudianum (Ivory Mahogany, Family: Meliaceae )
- Dysoxylum parasiticum, Dysoxylum caulostachyum (Yellow Mahogany, Family: Meliaceae )
- Dysphania ambrosioides, Chenopodium ambrosioides (Mexican Tea, Wormseed, Epazote, Family: Amaranthaceae )
- Ebenopsis ebano, Pithecellobium ebano (Texas Ebony, Ebony Blackbead, Apples Earring, Family: Fabaceae )
- Echeveria sp. (Echeveria, Family: Crassulaceae )
- Echinacea purpurea, Rudbeckia purpurea (Purple Coneflower, Kim's Knee High, Family: Asteraceae )
- Echinocactus grusonii (Golden Barrel Cactus, Family: Cactaceae )
- Echinocereus rigidissimus, Cereus pectinatus var. rigidissimus, Echinocereus pectinatus var. rigidissimus (Arizona Rainbow Hedgehog Cactus, Cabeza de Viejo, Family: Cactaceae )
- Echinocereus sp. (Hedgehog Cactus, Family: Cactaceae )
- Echinodorus longiscapus (Sword-Plant, Family: Alismataceae )
- Echinodorus palaefolius (Mexican Sword-Plant , Family: Alismataceae )
- Echinodorus sp. (Sword-Plant, Family: Alismataceae )
- Echinops adenocaulos (Globe Thistle, Family: Asteraceae )
- Echinopsis candicans, Cereus candicans, Trichocereus candicans (Argentine Giant, Family: Cactaceae )
- Echinopsis sp. (Hedgehog Cactus, Family: Cactaceae )
- Echinopsis terscheckii, Trichocereus terscheckii (Cardon Grande Cactus, Argentine Saguaro, Family: Cactaceae )
- Echites umbellatus (Devil's Potato, Family: Apocynaceae )
- Echium fastuosum, Echium candicans (Pride of Madeira, Family: Boraginaceae )
- Echium pininana (Tree Echium, Pne Echium, Giant Viper's-bugloss, Family: Boraginaceae )
- Echium simplex (Tower of Jewels, Family: Boraginaceae )
- Echium wildpretii (Tower of Jewels , Family: Boraginaceae )
- Edgeworthia chrysantha (Giant Leaf Paper Plant, Family: Thymelaeaceae )
- Ehretia anacua (Anaqua, Knockaway, Sandpaper Tree, Family: Boraginaceae )
- Ehretia rigida (Puzzle Bush, Family: Boraginaceae )
- Ehretia sp. (Puzzle bush, Family: Boraginaceae )
- Elaeagnus angustifolia (Russian Silverberry, Oleaster, Russian Olive, Family: Elaeagnaceae )
- Elaeagnus latifolia, Elaeagnus infundibularis (Bastard Oleaster, Family: Elaeagnaceae )
- Elaeagnus multiflora (Goumi, Gumi, Natsugumi, Cherry Silverberry, Cherry Elaeagnus, Family: Elaeagnaceae )
- Elaeagnus philippinensis (Lingaro, Family: Elaeagnaceae )
- Elaeagnus pungens (Thorny Elaeagnus, Spotted Elaeagnus, Silverthorn, Family: Elaeagnaceae )
- Elaeis guineensis (African Oil Palm, Jacquin, Family: Arecaceae / Palmae )
- Elaeocarpus decipiens (Japanese Blueberry Tree, Family: Elaeocarpaceae )
- Elaeocarpus ganitrus, Elaeocarpus sphaericus (Rudraksh, Rudraksa, Rudraksha, Blue Olive Berry, Family: Elaeocarpaceae )
- Elaeocarpus hygrophylus (Blue Olive Berry, Scrub Ash, Ash Quandong, Fairy Petticoats, Native Olive, White Boree, Fringe Bells, Fairy Petticoats, Family: Elaeocarpaceae )
- Elaeocarpus serratus (Ceylon Olive, Family: Elaeocarpaceae )
- Elaeocarpus sp. (Bead Tree, Fringe Bells, Fairy Petticoats, Family: Elaeocarpaceae )
- Elaeodendron sp. (False Olive, Family: Celastraceae )
- Elateriospermum tapos (Kra, Perah, Tapos, Family: Euphorbiaceae )
- Elettaria cardamomum (Cardamom, Malabar Cardamom, Ceylon Cardamom, Family: Zingiberaceae )
- Eleutherine bulbosa, Sisyrinchium bulbosum, Galatea bulbosa (Lagrimas De La Virgen, Yahuar Piripiri , Family: Iridaceae )
- Eleutherococcus sessiliflorus, Panax sessiliflorus (Thorny Ginseng, Family: Araliaceae )
- Eleutherococcus sieboldianus, Acanthopanax sieboldianus (Five-fingered Aralia, Family: Araliaceae )
- Elizabetha durissima (Elizabetha, Family: Fabaceae )
- Elleanthus myrosmatis (Elleanthus, Family: Orchidaceae )
- Emblica officinalis, Phyllanthus emblica (Indian Gooseberry, Emblic Myrobalan, Amla, Amalaki, Amloki, Family: Phyllanthaceae )
- Embothrium coccineum (Chilean Fire Bush, Family: Proteaceae )
- Encelia farinosa (Brittlebush, Goldenhills, Incienso, Family: Asteraceae )
- Encephalartos ferox (Tongaland Cycad , Family: Zamiaceae )
- Encephalartos gratus (Malawi Cycad, Mulanje Cycad, Family: Zamiaceae )
- Encephalartos hildebrandtii (East African Sago Palm, Mombasa Cycad, Family: Zamiaceae )
- Encephalartos horridus (Eastern Cape Blue Cycad, Family: Zamiaceae )
- Encephalartos lehmannii (Karoo Cycad, Family: Zamiaceae )
- Encephalartos natalensis (Natal Cycad, Natal Giant Cycad, Family: Zamiaceae )
- Encephalartos sp. (Bread Palms, Bread Tree, Kaffir Bread, Family: Zamiaceae )
- Encyclia sp. (Encyclia, Family: Orchidaceae )
- Engelhardia spicata, Engelhardia aceriflora (Great Malay Beam, Mauwa, Family: Juglandaceae )
- Enkianthus campanulatus (Redvein Enkianthus, Family: Ericaceae )
- Ensete lasiocarpum, Musella lasiocarpa, Musa lasiocarpa (Chinese Yellow Banana, Golden Lotus Banana, Family: Musaceae )
- Ensete ventricosum, Variety/cultivar: 'Maurelii' (Red banana, Abyssinian banana, Ethiopian banana, Family: Musaceae )
- Entada sp. (Entada, Family: Fabaceae )
- Entandrophragma caudatum (Mountain Mahogany, Half-peeled Banana, Family: Meliaceae )
- Enterolobium contortisiliquum, Mimosa contortisiliqua (Earpod Tree, Orelha-de-macaco, Family: Fabaceae )
- Enterolobium cyclocarpum (Monkey Ear, Ear Pod Tree, Elephant Ear Tree, Eartree, Guanacaste Tree, Arbol de Guanacaste, Family: Fabaceae )
- Epacris longiflora (Native Fuchsia, Fuchsia Heath, Family: Epacridaceae )
- Ephedra sp. (Ephedra, Sea Grape, Family: Ephedraceae )
- Epidendrum sp. (Reed Orchid, Epidendrum Orchid, Clustered Flowers Orchid, Family: Orchidaceae )
- Epilobium canum, Zauschneria californica (California Fuchsia, Hummingbird Trumpet, Firechalice, Family: Onagraceae )
- Epimedium sp. (Horny Goat Weed, Bishop's Cap, Family: Berberidaceae )
- Epiphyllum guatemalense , Variety/cultivar: Monstrosa (Orchid Cactus, Family: Cactaceae )
- Epiphyllum hookeri, Epiphyllum strictum, Epiphyllum stenopetalum, Epiphyllum phyllanthus (Climbing Cactus, Hooker's Orchid Cactus, Family: Cactaceae )
- Epiphyllum oxypetalum (Belle de Nuit, Lady of the Night, Queen of the Night, Night blooming Cereus, Dutchman's Pipe, Family: Cactaceae )
- Epiphyllum sp. (Orchid Cactus, Leaf Cactus, Family: Cactaceae )
- Epipremnum aureum, Variety/cultivar: 'Neon' (Golden Neon Pothos, Golden Heart, Lemon Lime , Family: Araceae )
- Epipremnum aureum, Epipremnum pinnatum var. Aureum, Scindapsus aureus, Pothos aureus (Pothos, Money Plant, Family: Araceae )
- Epipremnum pinnatum (Pothos, Money Plant, Family: Araceae )
- Episcia cupreata (Flame Violet, Family: Gesneriaceae )
- Episcia sp. (Flame Violet, Family: Gesneriaceae )
- Epithelantha sp. (Button Cactus, Family: Cactaceae )
- Equisetum hyemale (Horsetail, Scouring Rush, Family: Equisetaceae )
- Eranthemum pulchellum, Eranthemum nervosum (Blue sage, Blue eranthemum, Lead Flower, Family: Acanthaceae )
- Eranthemum wattii (Blue Eyes, Blue Sage, Family: Acanthaceae )
- Erato sp. (Erato, Family: Asteraceae )
- Erblichia odorata (Flor de Fuego, Butterfly Tree , Family: Turneraceae )
- Eremophila sp. (Emu bush, Family: Scrophulariaceae )
- Eremostachys laciniata, Phlomis laciniata (Desert Spike, Family: Lamiaceae )
- Eria floribunda (Eria, Family: Orchidaceae )
- Erica arborea (Tree Heath, Bruyere , Family: Ericaceae )
- Erica canaliculata (Christmas heather, Channelled Heath, Hairy Grey Heather, Family: Ericaceae )
- Erica chloroloma (Red Heath, Family: Ericaceae )
- Erica discolor (Two-color Heath, Family: Ericaceae )
- Erica multiflora (Mediterranean Heath, Family: Ericaceae )
- Erica x darleyensis (Darley Heath, Winter Heath, Family: Ericaceae )
- Eriobotrya japonica (Loquat, Japanese Plum, Nispero, Family: Rosaceae )
- Eriocephalus africanus (Wild Rosemary, Cape Snow Bush, Family: Asteraceae )
- Eriolarynx australis, Iochroma australe (Blue Angel Trumpet, Mini Angel Trumpet, Family: Solanaceae )
- Eriostemon sp. (Wax Flower, Family: Rutaceae )
- Eruca vesicaria subsp. sativa (Arugula, Garden Rocket , Family: Brassicaceae )
- Erycina pusilla, Psygmorchis pusilla, Oncidium pusillum (Erycina, Family: Orchidaceae )
- Eryngium foetidum (Fitweed, Culantro, Long coriander, Mexican coriander, Family: Apiaceae / Umbelliferae )
- Eryngium sp. (Sea-holly, Family: Apiaceae / Umbelliferae )
- Erysimum sp., Cheiranthus sp. (Wallflower, Family: Brassicaceae )
- Erythrina abyssinica, Erythrina tomentosa (Coral Tree, Family: Fabaceae )
- Erythrina amazonica (Amazon Coral Tree, Family: Fabaceae )
- Erythrina bidwillii (Indian Coral Tree, Bidwell's Coral Tree, Family: Fabaceae )
- Erythrina caffra, Erythrina constantiana, Erythrina insignis (South African Coral tree, Kaffirboom, Family: Fabaceae )
- Erythrina coralloides (Naked Coral Tree, Family: Fabaceae )
- Erythrina crista-galli, Erythrina laurifolia (Cry Baby Tree, Cockspur Coral Tree, Cock's Comb Coral Tree, Family: Fabaceae )
- Erythrina decora (Namib Coral Tree, Family: Fabaceae )
- Erythrina edulis (Chachafruto, Family: Fabaceae )
- Erythrina fusca, Erythrina glauca (Cape Kaffirboom, Gallito, Coral bean, Bois Immortelle, Family: Fabaceae )
- Erythrina herbacea (Coral tree, Coral bean, Cardinal-spear, Cherokee-bean, Family: Fabaceae )
- Erythrina humeana (Coral bean, Dwarf coral tree, Family: Fabaceae )
- Erythrina latissima (Coral Tree , Family: Fabaceae )
- Erythrina leptopoda (Bois Inmortel, Slenderpetiole Coralbean, Family: Fabaceae )
- Erythrina lysistemon (Scarlet Coral Tree, Family: Fabaceae )
- Erythrina megistophylla (Coral Tree, Family: Fabaceae )
- Erythrina poeppigiana (Poro, Family: Fabaceae )
- Erythrina sp. (Coral Tree, Family: Fabaceae )
- Erythrina speciosa, Erythrina reticulata, Erythrina poianthes, Erythrina graefferi (Coral Tree, Family: Fabaceae )
- Erythrina variegata, Erythrina indica (Coral Tree, Sunshine Tree, Family: Fabaceae )
- Erythrina vespertilio, Erythrina biloba (Bat's Wing Coral Tree, Barswing Coral, Gray Corkwood, Family: Fabaceae )
- Erythrochiton brasiliensis (Star of Brazil, Family: Rutaceae )
- Erythronium sibiricum (Siberian Fawn Lily, Siberian Trout Lily, Family: Liliaceae )
- Erythrophysa alata, Fagara alata (Fagara, Family: Sapindaceae )
- Erythrophysa transvaalensis (Transvaal Red Balloon, Fagara , Family: Sapindaceae )
- Erythrostemon gilliesii, Caesalpinia gilliesii, Poinciana gilliesii (Yellow Bird of Paradise, Yellow dwarf poinciana, Bird of Paradise Bush, Desert Bird of Paradise, Family: Fabaceae )
- Erythrostemon palmeri, Caesalpinia palmeri (Margarita, Palo Piojo, Peojo, Polilla, Wetapochi , Family: Fabaceae )
- Erythroxylum coca (Huanuco, Coca, Family: Erythroxylaceae )
- Escallonia bifida, Escallonia montevidensis (Escallonia, Arbol del Pito, Family: Escalloniaceae )
- Escallonia sp. (Escallonia, Family: Escalloniaceae )
- Eschscholzia californica (California Poppy, Golden Poppy, Family: Papaveraceae )
- Espeletia schultzii (Frailejon, Family: Asteraceae )
- Espostoa sp. (Espostoa, Old Man Cactus, Family: Cactaceae )
- Etlingera corneri (Rose of Siam, Family: Zingiberaceae )
- Etlingera elatior, Phaeomeria speciosa, Nicolaio elatior (Torch Ginger, Family: Zingiberaceae )
- Etlingera hemisphaerica, Elettaria atropurpurea (Helani Tulip Ginger, Black Tulip, Black Torch, Family: Zingiberaceae )
- Etlingera maingayi (Malay Rose, Family: Zingiberaceae )
- Etlingera sp. (Etlingera, Family: Zingiberaceae )
- Etlingera sp., Variety/cultivar: Ninole Red (Malay Rose, Family: Zingiberaceae )
- Etlingera venusta (Malay Rose, Family: Zingiberaceae )
- Eucalyptus albopurpurea (Purple-flowered Mallee Box, Port Lincoln Mallee, Family: Myrtaceae )
- Eucalyptus calycogona (Gooseberry Mallee, Square fruited Mallee, Family: Myrtaceae )
- Eucalyptus camaldulensis (River Red Gum, Family: Myrtaceae )
- Eucalyptus cinerea (Argyle Apple, Silver Dollar Gum, Family: Myrtaceae )
- Eucalyptus citriodora, Corymbia citriodora (Lemon Eucalyptus, Citron-scented Gum, Lemon Scented Gum, Family: Myrtaceae )
- Eucalyptus deglupta (Rainbow Eucalyptus, Mindanao Gum, Rainbow Gum, Family: Myrtaceae )
- Eucalyptus erythrocorys (Red-cap Gum , Family: Myrtaceae )
- Eucalyptus kruseana (Book-leaf Mallee)
- Eucalyptus leucoxylon (Yellow Gum, Blue Gum, White Ironbark, Family: Myrtaceae )
- Eucalyptus macrocarpa (Mottlecah, Family: Myrtaceae )
- Eucalyptus sp. (Eucalyptus, Family: Myrtaceae )
- Eucalyptus torquata (Coral Gum, Coolgardie Gum, Family: Myrtaceae )
- Eucharis grandiflora (Amazon Lily, Family: Amaryllidaceae )
- Euclea sp. (Euclea, Family: Ebenaceae )
- Euclinia longiflora, Randia macrantha (Angel's Trumpets, Tree Gardenia, Family: Rubiaceae )
- Eucomis autumnalis, Eucomis undulata (Pineapple Lily, Family: Asparagaceae )
- Eucomis comosa (Pineapple Lily, Wine Eucomis, Family: Asparagaceae )
- Eucomis sp. (Pineapple Lily, Aloha Lily, Family: Asparagaceae )
- Eucommia ulmoides (Eucommia, Hardy Rubber Tree , Family: Eucommiaceae )
- Eucrosia bicolor (Peruvian Lily, Family: Amaryllidaceae )
- Eucryphia moorei (Pinkwood, Family: Cunoniaceae )
- Eucryphia sp. (Eucryphia, Leatherwood, Family: Cunoniaceae )
- Eugenia brasiliensis, Eugenia dombeyi (Grumichama, Brazilian Cherry, Family: Myrtaceae )
- Eugenia confusa (Red Berry Stopper, Family: Myrtaceae )
- Eugenia foetida, Eugenia buxifolia (Spanish Stopper, Boxleaf Stopper , Family: Myrtaceae )
- Eugenia involucrata, Eugenia aggregata (Cherry of the Rio Grande, Cere Jodo Rio Grande, Family: Myrtaceae )
- Eugenia luschnathiana, Phyllocalyx luschnathianus (Pitomba, Family: Myrtaceae )
- Eugenia neonitida (Pitangatuba, Family: Myrtaceae )
- Eugenia pyriformis (Uvaia, Uvalha, Uvaia-do-mato, Uvaieira, Family: Myrtaceae )
- Eugenia reinwardtiana (Beach Cherry, Cedar Bay Cherry, Family: Myrtaceae )
- Eugenia rhombea (Red Stopper, Family: Myrtaceae )
- Eugenia sp. (Eugenia, Family: Myrtaceae )
- Eugenia stipitata (Araza, Araca-boi, Family: Myrtaceae )
- Eugenia tinifolia (Bois de Clous, Family: Myrtaceae )
- Eugenia uniflora, Eugenia michelii (Surinam Cherry, Pitanga, Brazilian Cherry, Family: Myrtaceae )
- Eugenia victoriana (Sundrop, Guayabilla, Family: Myrtaceae )
- Eulophia graminea (Chinese Crown Orchid, Family: Orchidaceae )
- Euodia hortensis, Melicope hortensis (Evodia, Family: Rutaceae )
- Euonymus sp. (Euonymus, Family: Celastraceae )
- Eupatorium sp. (Eupatorium, Family: Asteraceae )
- Euphorbia aeruginosa (Miniature Saguaro, Family: Euphorbiaceae )
- Euphorbia bracteata, Pedilanthus bracteatus (Tall Slipper Plant, Slipper Spurge, Candelilla, Little Bird Flower, Family: Euphorbiaceae )
- Euphorbia bubalina, Euphorbia laxiflora (Buffalo Euphorbia, Bosmelkbos, Family: Euphorbiaceae )
- Euphorbia burmannii (Steenbokbos, Family: Euphorbiaceae )
- Euphorbia caput-medusae (Medusa's Head, Family: Euphorbiaceae )
- Euphorbia characias (Bush Spurge, Family: Euphorbiaceae )
- Euphorbia confinalis (Confinalis, Lebombo Euphorbia, Lebombo Milktree, Family: Euphorbiaceae )
- Euphorbia cooperi (Transvaal Candelabra Tree, Bushveld Candelabra Euphorbia, Family: Euphorbiaceae )
- Euphorbia cotinifolia (Red spurge, Mexican shrubby Spurge, Caribbean Copper Plant, Family: Euphorbiaceae )
- Euphorbia cyathophora, Euphorbia heterophylla, Poinsettia cyathophora (Summer Poinsettia, Wild Poinsettia, Fire on the mountain, Family: Euphorbiaceae )
- Euphorbia decaryi (Euphorbia, Family: Euphorbiaceae )
- Euphorbia dendroides (Tree Spurge, Family: Euphorbiaceae )
- Euphorbia enopla (Pincushion Euphorbia , Family: Euphorbiaceae )
- Euphorbia enterophora, Euphorbia xylophylloides (Milk-bush, Family: Euphorbiaceae )
- Euphorbia epiphylloides (Euphorbia, Family: Euphorbiaceae )
- Euphorbia epithymoides, Euphorbia polychroma (Cushion Spurge, Family: Euphorbiaceae )
- Euphorbia espinosa, Euphorbia gynophora, Euphorbia nodosa (Woody Euphorbia, Family: Euphorbiaceae )
- Euphorbia fiherenensis (Pencil Tree, Family: Euphorbiaceae )
- Euphorbia flanaganii (Medusa Head, Family: Euphorbiaceae )
- Euphorbia geroldii (Thornless Euphorbia, Family: Euphorbiaceae )
- Euphorbia gottlebei (Euphorbia, Family: Euphorbiaceae )
- Euphorbia grandicornis (Cow's Horn, Family: Euphorbiaceae )
- Euphorbia grandidens, Euphorbia arborescens (Valleybush Euphorbia, Chandelier Euphorbia, Large-toothed Euphorbia, Family: Euphorbiaceae )
- Euphorbia griffithii (Griffith's Spurge, Spurge 'Fireglow' , Family: Euphorbiaceae )
- Euphorbia gymnonota (Milkweed, Family: Euphorbiaceae )
- Euphorbia hamata (Deerhorn, Cow Milk Bush, Cow Power, Elephants Milk Bush, Family: Euphorbiaceae )
- Euphorbia hypericifolia , Variety/cultivar: Inneuphdia (Diamond Frost, Stardust White Sparkle, Family: Euphorbiaceae )
- Euphorbia lactea (Candelabra Plant, Elkhorn, Family: Euphorbiaceae )
- Euphorbia leucocephala (Pascuita, Snows of Kilimanjaro, White Small Leaf Poincettia, Snow Bush, White-laced euphorbia, Snow Flake, Poinsettia, Family: Euphorbiaceae )
- Euphorbia leuconeura (Madagascar Jewel, Family: Euphorbiaceae )
- Euphorbia lomelii, Pedilanthus macrocarpus (Slipper Plant, Gallito, Family: Euphorbiaceae )
- Euphorbia lophogona (Randramboay, Family: Euphorbiaceae )
- Euphorbia lugardiae, Monadenium lugardiae (Monadenium, Family: Euphorbiaceae )
- Euphorbia marginata (Snow-on-the-mountain, Smoke-on-the-prairie, Variegated Spurge, Mountain Spurge, Family: Euphorbiaceae )
- Euphorbia mauritanica (Pencil Milk Bush, Yellow Milk Bush, Golden Spurge, Family: Euphorbiaceae )
- Euphorbia mellifera, Euphorbia longifolia (Canary spurge, Honey spurge, Family: Euphorbiaceae )
- Euphorbia milii, Variety/cultivar: Thai Giant (Thai Giant Crown of Thorns, Family: Euphorbiaceae )
- Euphorbia milii (Crown of thorns, Family: Euphorbiaceae )
- Euphorbia monteiroi (Brandberg Euphorbia, Family: Euphorbiaceae )
- Euphorbia myrsinites (Myrtle Euphorbia, Donkeytail Spurge, Family: Euphorbiaceae )
- Euphorbia neococcinea, Monadenium coccineum (Masai Spurge, Family: Euphorbiaceae )
- Euphorbia obesa (Baseball Plant, Family: Euphorbiaceae )
- Euphorbia pseudocactus (Euphorbia 'Zig Zag', Zig-Zag Plant , Family: Euphorbiaceae )
- Euphorbia pteroneura (Euphorbia, Family: Euphorbiaceae )
- Euphorbia pugniformis (Medusa Head, Family: Euphorbiaceae )
- Euphorbia pulcherrima (Ponsettia, Poinsettia, Christmas Plant, Poincettia, Family: Euphorbiaceae )
- Euphorbia punicea (Jamaican Poinsettia, Family: Euphorbiaceae )
- Euphorbia ramena (Euphorbia, Family: Euphorbiaceae )
- Euphorbia ramipressa (Tree Euphorbia, Family: Euphorbiaceae )
- Euphorbia sp. (Milkweed, Spurge, Family: Euphorbiaceae )
- Euphorbia stenoclada (Silver Thicket, Family: Euphorbiaceae )
- Euphorbia tirucalli (Pencil Bush, Milk-bush, Pencil Tree, Fire Fingers, Family: Euphorbiaceae )
- Euphorbia tithymaloides, Pedilanthus tithymaloides (Devil's backbone, Zigzag plant, Jacob's ladder, Family: Euphorbiaceae )
- Euphorbia trigona (African Milk Tree , Family: Euphorbiaceae )
- Euphorbia umbellata, Synadenium compactum, Synadenium grantii, Euphorbia bicompacta var. rubrafolia (African Milk Bush, Family: Euphorbiaceae )
- Euphorbia viguieri (Euphorbia, Family: Euphorbiaceae )
- Euphorbia xanti (Baja Spurge, Cherry Blossom Euphorbia, Family: Euphorbiaceae )
- Euryale ferox (Prickly Waterlily, Fox Nut, Family: Nymphaeaceae )
- Eurycoma longifolia (Ali's Umbrella, Long Jack, Malaysian Ginseng, Pasak Bumi, Tongkat Ali, Family: Simaroubaceae )
- Euryops sp. (Euryops, Family: Asteraceae )
- Eustoma grandiflorum, Lisianthus russelianus (Texas Bluebell, Lisianthus, Tulip Gentian, Family: Gentianaceae )
- Euterpe oleracea (Asai, Assai, Acai, Cabbage Palm, Pina Palm, Family: Arecaceae / Palmae )
- Euterpe precatoria, Euterpe mollissima, Euterpe jatapuensis, Euterpe stenophylla, Euterpe langloisii, Euterpe petiolata, Euterpe subruminata, Euterpe confertiflora (Huassai, Chonta, Asai, Assai, Acai, Mountain Cabbage Palm, Family: Arecaceae / Palmae )
- Eutrema japonicum, Wasabia japonica (Wasabi, Japanese Horseradish, Family: Brassicaceae )
- Evolvulus sp. (Dwarf Morning Glory, Family: Convolvulaceae )
- Exacum affine (Persian Violet, Family: Gentianaceae )
- Excoecaria agallocha (Thillai, Milky Mangrove, Family: Euphorbiaceae )
- Excoecaria cochinchinensis, Excoecaria bicolor (Strawberry Cream, Jungle Fire, Chinese croton, Variegated Leaf, Family: Euphorbiaceae )
- Exochorda sp. (Pearlbush, Family: Rosaceae )
- Exostema nitens, Exostema coriaceum (Cafetillo, Shining Exostema, Family: Rubiaceae )
- Fagraea auriculata, Fagraea borneensis, Fagraea bracteosa, Fagraea epiphytica, Fagraea javanica (Pelir Musang, Family: Gentianaceae )
- Fagraea berteriana (Perfume Flower Tree, Pua Keni Keni, Family: Gentianaceae )
- Fagraea ceilanica (Perfume Flower Tree, Pua Keni Keni, Trai Tichlan, Lau binh, Gia, Family: Gentianaceae )
- Fagraea fragrans, Cyrtophyllum fragrans (Tembusu, Ironwood, Family: Gentianaceae )
- Fallopia baldschuanica, Polygonum baldschuanicum, Bilderdykia baldschuanica (Bukhara Fleeceflower, Russian Vine, Family: Polygonaceae )
- Faradaya splendida (Glory Vine, Family: Lamiaceae )
- Faramea sp. (Faramea, Family: Rubiaceae )
- Farfugium japonicum (Leopard Plant, Green Leopard Plant, Family: Asteraceae )
- Fatsia japonica (Paperplant, Japanese Aralia, Family: Araliaceae )
- Faucaria sp. (Tiger Jaws, Family: Aizoaceae )
- Feijoa sellowiana, Acca sellowiana (Feijoa, Pineapple Guava, Guavasteen, Family: Myrtaceae )
- Fenestraria rhopalophylla, Fenestraria aurantiaca (Window Plant, Family: Aizoaceae )
- Feretia aeruginescens (Red-leaved Medlar, Family: Rubiaceae )
- Fernandoa magnifica, Heterophragma longipes (African Flame, Family: Bignoniaceae )
- Ferocactus sp. (Barrel Cactus, Family: Cactaceae )
- Ferraria sp. (Family: Iridaceae )
- Fertilizers (Macro and Micro elements)
- Festuca glauca (Blue Fescue, Family: Poaceae )
- Fevillea cordifolia (Javillo, Antidote Caccoon, Family: Cucurbitaceae )
- Ficus abutilifolia (Large-leaved Rock Fig, Rock Wild Fig , Family: Moraceae )
- Ficus altissima (Council Tree, Family: Moraceae )
- Ficus aspera (Variegated Clown Fig, Mosaic Fig , Family: Moraceae )
- Ficus auriculata, Ficus roxburghii (Elephant ear fig tree, Giant Indian Fig, Family: Moraceae )
- Ficus benghalensis, Ficus indica (Banyan Tree, Family: Moraceae )
- Ficus benjamina (Benjamin Fig, Benjamin Tree, Family: Moraceae )
- Ficus brusii (Highland breadfruit, Family: Moraceae )
- Ficus capensis, Sycomorus capensis (Broom Cluster fig, Bush fig, cape fig, Fire sticks, Kooman, Wild fig, Family: Moraceae )
- Ficus carica (Fig Tree, Brevo, Family: Moraceae )
- Ficus citrifolia (Shortleaf Fig, Florida Banyan, Giant Bearded Fig, Wild Banyantree, Wimba Tree, Family: Moraceae )
- Ficus cordata subsp. salicifolia (Willow-leafed fig, Family: Moraceae )
- Ficus deltoidea, Ficus diversifolia (Mistletoe Fig, Family: Moraceae )
- Ficus elastica (Rubber Tree, Family: Moraceae )
- Ficus fistulosa (Yellow Stem Fig, Family: Moraceae )
- Ficus hispida, Ficus oppositifolia (Hairy Fig, Family: Moraceae )
- Ficus ingens (Red-leaved Fig, Family: Moraceae )
- Ficus jacobii (Matapalo, Family: Moraceae )
- Ficus krishnae, Ficus benghalensis var. krishnae (Krishna Fig, Krishna Butter Cup , Family: Moraceae )
- Ficus kurzii (Burmese Banyan, Family: Moraceae )
- Ficus lutea (Giant-leaved fig, Lagos Rubbertree, Family: Moraceae )
- Ficus lyrata (Fiddle-Leaf Ficus, Family: Moraceae )
- Ficus maclellandii, Ficus binnendijkii (Long-leaf fig, Alii fig, Banana-leaf fig, Family: Moraceae )
- Ficus macrophylla, Ficus macrocarpa, Ficus magnolioides (Moreton Bay Fig, Family: Moraceae )
- Ficus microcarpa, Ficus nitida, Ficus retusa (Chinese banyan, Indian Laurel, Family: Moraceae )
- Ficus mysorensis, Ficus drupacea var. pubescens (Yellow-Berry Ficus, Family: Moraceae )
- Ficus natalensis (Natal Fig, Family: Moraceae )
- Ficus natalensis subsp. leprieurii, Ficus triangularis (Triangle Ficus, Triangle Leaf Fig Tree, Family: Moraceae )
- Ficus nota (Tibig, Family: Moraceae )
- Ficus obliqua (Queensland Small-leaved Fig, Family: Moraceae )
- Ficus palmeri (Rock Fig, Family: Moraceae )
- Ficus petiolaris (Rock Fig, Rock Ficus, Texcalamate, Lava Fig, Family: Moraceae )
- Ficus platypoda (Rock Fig, Desert Fig, Family: Moraceae )
- Ficus pseudopalma (Dracaena Fig, Palm-Leaf Fig, Philippine Fig, Family: Moraceae )
- Ficus pumila, Ficus repens (Climbing Fig, Creeping Fig, Family: Moraceae )
- Ficus pyriformis (Bo Li Rong, Family: Moraceae )
- Ficus racemosa, Ficus glomerata (Cluster Fig, Gular, Family: Moraceae )
- Ficus religiosa (Bo-Tree, Sacred Ficus, Peepal Tree, Family: Moraceae )
- Ficus rubiginosa (Rusty-Leaf Fig, Port-Jackson Fig, Family: Moraceae )
- Ficus rumphii (Golden Rumph's Fig, Family: Moraceae )
- Ficus sagittata, Ficus radicans (Variegated Rooting Fig, Family: Moraceae )
- Ficus saussureana, Ficus afzelii, Ficus eriobotryoides, Ficus princeps (Loquat Leaf Fig, Family: Moraceae )
- Ficus sp. (Ficus, Family: Moraceae )
- Ficus subcordata (Fairchilds Fig, Family: Moraceae )
- Ficus superba (Sea Fig, Family: Moraceae )
- Ficus sur (Bush Fig, Broom Cluster Fig, Family: Moraceae )
- Ficus sycomorus (Common Cluster Fig, Family: Moraceae )
- Ficus umbellata (Umbrella Fig)
- Ficus variegata (Red Stem Fig, Variegated Fig, Family: Moraceae )
- Ficus virens (White Fig, Grey Fig, Spotted Fig, Family: Moraceae )
- Filicium decipiens (Japanese Fern Tree , Family: Sapindaceae )
- Filipendula ulmaria (Meadowsweet, Family: Rosaceae )
- Firmiana colorata, Sterculia colorata (Colored Sterculia, Bonfire tree, Scarlet Sterculia, Iwil-iwil, Indian Almond, Family: Malvaceae )
- Firmiana simplex, Sterculia platanifolia (Chinese Parasol Tree, Family: Malvaceae )
- Fittonia albivenis, Fittonia verschaffeltii (Mosaic Plant, Nerve Plant, Painted Net Leaf, Family: Acanthaceae )
- Flacourtia indica (Governors plum, Madagascar Plum, Batoko palm, Family: Salicaceae )
- Flacourtia inermis (Rukam, Batoko Plum, Lori-Lori, Family: Salicaceae )
- Flacourtia jangomas, Flacourtia cataphracta, Stigmarota jangomas (Indian Coffee Plum, Indian Cherry, Runealma Plum, Family: Salicaceae )
- Flacourtia rukam, Flacourtia euphlebia (Rukam, Family: Salicaceae )
- Flemingia strobilifera, Moghania strobilifera (Luck Plant, Wild Hops, Family: Fabaceae )
- Flindersia sp. (Australian Teak, Family: Rutaceae )
- Flueggea virosa (White Berry Bush, Witbessiesbos, Mutangahuma, Chinese Waterberry, Family: Euphorbiaceae )
- Fockea angustifolia, Fockea tugelensis (Fockea, Family: Apocynaceae )
- Fockea edulis (Fockea, Family: Apocynaceae )
- Fockea multiflora (Elephant Vines, Python Kambro, Pythonranke, Pythonwein, Family: Apocynaceae )
- Fokienia hodginsii (Fujian Cypress, Family: Cupressaceae )
- Forsythia sp. (Forsythi, Family: Oleaceae )
- Fortunella japonica (Marumi Kumquat, Round Kumquat, Sweet-peeled Kumquat, Family: Rutaceae )
- Fortunella margarita (Oval Kumquat, Family: Rutaceae )
- Fothergilla gardenii (Dwarf Fothergilla, Coastal Fothergilla, Family: Hamamelidaceae )
- Fouquieria columnaris, Idria columnaris (Boojum Tree, Family: Fouquieriaceae )
- Fouquieria diguetii (Family: Fouquieriaceae )
- Fouquieria macdougalii (Mexican Tree Ocotillo, Family: Fouquieriaceae )
- Fouquieria purpusii (Fouquieria , Family: Fouquieriaceae )
- Fouquieria splendens (Ocotillo, Candlewood, Coachwhip, Candlewood, Slimwood, Desert coral, Jacob's staff, Jacob cactus, Vine cactus, Family: Fouquieriaceae )
- Fragaria sp. (Strawberry, Family: Rosaceae )
- Frankenia sp. (Seaheath, Alkali Heath, Family: Frankeniaceae )
- Fraxinus ornus (Manna Ash, Family: Oleaceae )
- Fremontodendron californicum (California Flannelbush, California Fremontia, Family: Malvaceae )
- Fremontodendron sp. (Flannelbush, Family: Malvaceae )
- Freycinetia cumingiana, Freycinetia multiflora (Climbing Pandanus, Flowering Pandanus, Family: Pandanaceae )
- Freycinetia funicularis (Flowering Pandanus, Climbing Pandanus, Family: Pandanaceae )
- Freycinetia insignis (Flowering Pandanus, Climbing Pandanus, Family: Pandanaceae )
- Freycinetia sp. (Flowering Pandanus, Family: Pandanaceae )
- Friesodielsia desmoides (Wedding cananga, Family: Annonaceae )
- Fritillaria sp. (Fritillaria, Family: Liliaceae )
- Fuchsia abrupta (Fuchsia)
- Fuchsia arborescens (Lilac Fuchsia, Family: Onagraceae )
- Fuchsia boliviana (Bolivian Fuchsia , Family: Onagraceae )
- Fuchsia fulgens (Fuchsia, Family: Onagraceae )
- Fuchsia magellanica (Hardy Fuchsia, Family: Onagraceae )
- Fuchsia microphylla (Fuchsia, Family: Onagraceae )
- Fuchsia regia (Climbing Fuchsia, Family: Onagraceae )
- Fuchsia sp. (Fuchsia, Family: Onagraceae )
- Fuchsia splendens, Fuchsia cordifolia (Fuchsia, Family: Onagraceae )
- Funastrum clausum, Sarcostemma clausum (White Milkweed-vine, Family: Apocynaceae )
- Funastrum elegans, Sarcostemma elegans (Climbing Milkweed, Family: Apocynaceae )
- Furcraea sp. (Furcraea, Family: Asparagaceae )
- Gagnepainia sp. (Gagnepainia, Family: Zingiberaceae )
- Gaillardia sp. (Blanket Flower, Family: Asteraceae )
- Galphimia gracillis, Galphimia gracilis, Galphimia glauca (Thriallis, Rain of Gold, Spray of Gold, Family: Malpighiaceae )
- Galpinia transvaalica (Wild Pride of India, Knoppieblaar, Family: Lythraceae )
- Garcinia atroviridis (Asam Gelugor, Gelugor, Family: Clusiaceae / Guttiferae )
- Garcinia gummi-gutta, Garcinia cambogia (Brindleberry, Brindall berry, Gambooge, Malabar Tamarind, Kudam Puli, Family: Clusiaceae / Guttiferae )
- Garcinia hombroniana (Seashore Mangosteen, Luli, Family: Clusiaceae / Guttiferae )
- Garcinia livingstonei (Imbe, Rheedia, Lowveld Mangosteen, Family: Clusiaceae / Guttiferae )
- Garcinia mangostana (Mangosteen, Family: Clusiaceae / Guttiferae )
- Garcinia megaphylla, Garcinia macrophylla, Rheedia macrophylla, Garcinia magnifolia, Rheedia magnifolia (Bacuru Pary, Bacuripari , Family: Clusiaceae / Guttiferae )
- Garcinia nervosa (Mountain Garcinia, Pear Mangosteen, Family: Clusiaceae / Guttiferae )
- Garcinia prainiana (Cherapu, Button Mangosteen, Family: Clusiaceae / Guttiferae )
- Garcinia schomburgkiana (Madan, Family: Clusiaceae / Guttiferae )
- Garcinia sp. (Garcinia, Family: Clusiaceae / Guttiferae )
- Garcinia spicata (Garcinia, Family: Clusiaceae / Guttiferae )
- Garcinia subelliptica (Happiness Tree, Common Garcinia, Family: Clusiaceae / Guttiferae )
- Garcinia xanthochymus, Garcinia tinctoria (Himalayan Garcinia, False mangosteen, Gamboge, Family: Clusiaceae / Guttiferae )
- Gardenia brighamii (Native Hawaiian Gardenia Nau, Family: Rubiaceae )
- Gardenia carinata, Gardenia coronaria (Golden Gardenia, Malaysian Tree Gardenia, Family: Rubiaceae )
- Gardenia cornuta, Gardenia ternifolia (Natal Gardenia, Horned Gardenia, Wilde-appel, Family: Rubiaceae )
- Gardenia erubescens, Gardenia triacantha var. parvilimbis (Golden Fruit Gardenia, Family: Rubiaceae )
- Gardenia gjellerupii (Thai Gardenia, Family: Rubiaceae )
- Gardenia hydrophila, Kailarsenia hygrophila (Mok Luang, Candlestick plant, Family: Rubiaceae )
- Gardenia jabiluka (Gardenia, Family: Rubiaceae )
- Gardenia jasminoides, Variety/cultivar: 'Four Seasons' (Four Seasons Gardenia, Family: Rubiaceae )
- Gardenia jasminoides, Gardenia augusta (Bush Gardenia, Cape Jasmine, Bunga Cina, Family: Rubiaceae )
- Gardenia mutabilis (Golden Gardenia, Family: Rubiaceae )
- Gardenia nitida, Gardenia posoqueria (Gardenia, Family: Rubiaceae )
- Gardenia radicans, Gardenia prostrata (Dwarf Gardenia Radicans, Family: Rubiaceae )
- Gardenia resiniflua (Gummy gardenia, Family: Rubiaceae )
- Gardenia scabrella (Star Flower, Family: Rubiaceae )
- Gardenia sootepensis (Golden Gardenia, Family: Rubiaceae )
- Gardenia sp. (Gardenia, Family: Rubiaceae )
- Gardenia sp. (Gardenia Ululani, Ulu-Lani, Family: Rubiaceae )
- Gardenia sp. , Variety/cultivar: 'Variegata' (Variegated gardenia, Family: Rubiaceae )
- Gardenia taitensis, Variety/cultivar: Heaven Scent (Tahiti Gardenia, Family: Rubiaceae )
- Gardenia taitensis, Variety/cultivar: Tiare Tahiti (Tahiti Gardenia, Star of Tahiti, Family: Rubiaceae )
- Gardenia taitensis, Variety/cultivar: Nana (Dwarf Tahitian Gardenia, Family: Rubiaceae )
- Gardenia thunbergia, Gardenia verticillata, Gardenia speciosa (White Gardenia, Forest Gardenia, Wild Gardenia, Family: Rubiaceae )
- Gardenia tubifera, Variety/cultivar: 'Kula' (Golden Gardenia, Kedah Gardenia, Family: Rubiaceae )
- Gardenia vanuatuensis (Vanuatu Gardenia, Family: Rubiaceae )
- Gardenia vietnamensis, Kailarsenia vietnamensis (Vietnamese Gardenia, Family: Rubiaceae )
- Gardenia volkensii (Transvaal Gardenia, Bushveld Gardenia, Family: Rubiaceae )
- Gardenia x duruma (White Gem, Buttons Gardenia, Family: Rubiaceae )
- Gasteranthus sp. (Gasteranthus, Family: Gesneriaceae )
- Gastonia mauritiana (Bois Boeuf, Bois d'Eponge, Family: Araliaceae )
- Gastrochilus obliquus, Vanda obliqua (Slanting Gastrochilus , Family: Orchidaceae )
- Gastrococos crispa, Acrocomia armentalis, Acrocomia crispa (Cuban Belly Palm, Corojo Palm, Acrocomia, Family: Arecaceae / Palmae )
- Gaultheria myrsinoides, Pernettya prostrata, Gaultheria prostrata (Cacalote, Family: Ericaceae )
- Gaultheria procumbens (Eastern Teaberry, Checkerberry, Boxberry, American Wintergreen, Family: Ericaceae )
- Gaussia maya, Opsiandra maya (Maya Palm, Family: Arecaceae / Palmae )
- Gazania sp. (Gazania, Family: Asteraceae )
- Gelsemium sempervirens (Yellow Jessamine, Carolina Jasmine, Trumpet Flower, Family: Loganiaceae )
- Genipa americana (Genipa, Huito, Marmelade Box, Family: Rubiaceae )
- Genipa clusiifolia (Seven Year Apple, Family: Rubiaceae )
- Genista canariensis, Cytisus canariensis (Canary Broom, Family: Fabaceae )
- Genista hispanica (Spanish Broom, Spanish Gorse, Family: Fabaceae )
- Genista januensis (Spanish Gorse, Family: Fabaceae )
- Gentiana sp. (Gentian, Family: Gentianaceae )
- Geoffroea decorticans (Chilean Palo Verde, Chanar, Kumbaru, Family: Fabaceae )
- Geogenanthus ciliatus (Family: Commelinaceae )
- Geogenanthus poeppigii, Geogenanthus undatus (Seersucker Plant, Family: Commelinaceae )
- Geranium maderense (Madeiran Cranesbill, Family: Geraniaceae )
- Gerrardanthus lobatus (Blob Plant, Family: Cucurbitaceae )
- Gerrardanthus macrorhiza (Bigfoot, Family: Cucurbitaceae )
- Gesneria ventricosa (Gesneria, Family: Gesneriaceae )
- Geum sp. (Avens, Family: Rosaceae )
- Gigantochloa sp. (Giant Bamboo, Family: Poaceae )
- Gigasiphon macrosiphon, Bauhinia macrosiphon, Bauhinia ampla (Gigasiphon, Family: Fabaceae )
- Ginkgo biloba (Fossil tree, Maidenhair tree, Japanese silver apricot, Family: Ginkgoaceae )
- Ginoria sp. (Ginoria, Family: Lythraceae )
- Gleditsia triacanthos (Honey Locust, Honeylocust, Family: Fabaceae )
- Gliricidia maculata, Gliricidia sepium (Gliricidia, Madre de Cacao, Madura, Family: Fabaceae )
- Globba schomburgkii (Dancing Girl Ginger, Family: Zingiberaceae )
- Globba sp. (Globba, Family: Zingiberaceae )
- Globba winitii (Dancing Girl, Dancing Ladies Ginger, Family: Zingiberaceae )
- Globularia bisnagarica, Globularia punctata (Common Ball Flower, Family: Plantaginaceae )
- Globularia x indubia (Globe Daisy, Family: Plantaginaceae )
- Glochidion lutescens (Pin Flower Tree, Family: Phyllanthaceae )
- Glochidion obscurum (Dulang-Dulang, Family: Phyllanthaceae )
- Glochidion sumatranum (Cheesetree, Pin Flower Tree, Sumatran Buttonwood, Umbrella Cheesetree, Family: Phyllanthaceae )
- Glochidion zollingeri (Glochidion, Family: Phyllanthaceae )
- Gloriosa sp. (Glory Lily, Climbing Lily, Flame Lily, Family: Colchicaceae )
- Gloriosa superba (Glory Lily, Climbing Lily, Flame Lily, Family: Colchicaceae )
- Glossoloma ichthyoderma, Alloplectus ichthyoderma (Glossoloma, Family: Gesneriaceae )
- Glossoloma purpureum, Alloplectus purpureus (Glossoloma, Family: Gesneriaceae )
- Glossoloma tetragonoides, Alloplectus tetragonoides (Glossoloma, Family: Gesneriaceae )
- Glottiphyllum sp. (Tongue Plant, Family: Aizoaceae )
- Gloxinella lindeniana, Gloxinia lindeniana, Kohleria lindeniana (Gloxinella, Family: Gesneriaceae )
- Gloxinia perennis (Canterbury Bells, Family: Gesneriaceae )
- Glycosmis pentaphylla, Limonia pentaphylla (Ash sheora, Orangeberry, Rum Berry, Gin Berry, Family: Rutaceae )
- Glycyrrhiza sp. (Licorice, Liquorice, Family: Fabaceae )
- Gmelina arborea (Gamhar, Family: Lamiaceae )
- Gmelina elliptica, Gmelina villosa (Bulangan , Family: Lamiaceae )
- Gmelina macrophylla, Ephialis simplicifolia, Gmelina dalrympleana, Vitex dalrympleana, Vitex macrophylla (Grey Teak, Family: Lamiaceae )
- Gmelina philippensis (Hedgehog, Parrot's Beak, Ching-chai, Family: Lamiaceae )
- Gmelina philippensis, Variety/cultivar: variegata (Variegated Parrot's Beak, Half n Half Parrots Beak, Family: Lamiaceae )
- Gnetum africanum (African Jointfir, Family: Gnetaceae )
- Gnetum gnemon (Melindjo, Family: Gnetaceae )
- Goeppertia elliptica, Variety/cultivar: 'Vittata' (Prayer Plant, Calathea Vittata, Family: Marantaceae )
- Goeppertia insignis, Calathea lancifolia, Calathea insignis (Rattlesnake Plant, Family: Marantaceae )
- Goeppertia ornata, Calathea ornata, Calathea majestica (Calathea, Family: Marantaceae )
- Goeppertia veitchiana, Calathea veitchiana (Prayer Plant, Family: Marantaceae )
- Goeppertia zebrina, Calathea zebrina (Calathea, Family: Marantaceae )
- Goetzea elegans (Beautiful Goetzea, Mata Buey, Family: Solanaceae )
- Gomphocarpus physocarpus, Asclepias physocarpa (Baloonplant, Cotton Bush, Swan Plant, Balloon Plant, Family Jewels Milkweed Tree, Family: Apocynaceae )
- Gomphrena canescens (Pink Billy Buttons, Family: Amaranthaceae )
- Gomphrena decumbens (Airy Bachelor Buttons, Family: Amaranthaceae )
- Gomphrena sp. (Globe amaranth, Bachelor's buttons, Family: Amaranthaceae )
- Gonatopus boivinii (Giraffe's Knees, Family: Araceae )
- Gongora sp. (Family: Orchidaceae )
- Gonialoe variegata, Aloe variegata (Tiger Aloe, Partridge-breasted Aloe, Family: Asphodelaceae )
- Gonioma kamassi (Kamassi, Igala-gala, Family: Apocynaceae )
- Goniothalamus sp. (Goniothalamus, Family: Annonaceae )
- Gonzalagunia hirsuta (Mata-de-mariposa, Rabo de raton, Family: Rubiaceae )
- Gonzalagunia sp. (Mata-de-mariposa, Rabo de raton, Family: Rubiaceae )
- Goodenia decursiva (Goodenia, Family: Goodeniaceae )
- Goodia lotifolia (Golden Tip, Clover Bush, Yellow Pea, Family: Fabaceae )
- Gordonia lasianthus (Loblolly Bay, Family: Theaceae )
- Gorteria diffusa (Beetle Daisy, Family: Asteraceae )
- Gossypium arboreum (Tree Cotton, Family: Malvaceae )
- Gossypium barbadense, Gossypium peruvianum (Pima cotton, Family: Malvaceae )
- Gossypium herbaceum (Cotton, Levant Cotton, Family: Malvaceae )
- Gossypium hirsutum, Gossypium mexicanum (Upland Cotton, Mexican Cotton, Family: Malvaceae )
- Gossypium sturtianum (Sturt's Desert Rose, Family: Malvaceae )
- Grammatophyllum scriptum, Epidendrum scriptum (Grammatophyllum, Family: Orchidaceae )
- Grammatophyllum speciosum (Giant Orchid, Tiger Orchid, Sugar Cane Orchid, Family: Orchidaceae )
- Graptopetalum sp. (Graptopetalum, Family: Crassulaceae )
- Graptophyllum excelsum (Scarlet Fuchsia, Prickly Fuchsia, Family: Acanthaceae )
- Graptophyllum pictum, Justicia picta, Graptophyllum hortense (Caricature Plant, Family: Acanthaceae )
- Grevillea banksii (Red Silky Oak, Kahili Flower, Family: Proteaceae )
- Grevillea curviloba (Grevillea, Family: Proteaceae )
- Grevillea johnsonii (Grevillea, Family: Proteaceae )
- Grevillea lanigera , Variety/cultivar: 'Mt Tamboritha' (Mt Tamboritha Grevillea, Dwarf Woolly Grevillea, Family: Proteaceae )
- Grevillea parallela (Silver Oak, White Grevillea, Family: Proteaceae )
- Grevillea robusta (Silky Oak, Family: Proteaceae )
- Grevillea sp. (Grevillea, Family: Proteaceae )
- Grevillea sp., Variety/cultivar: 'Canberra Gem' (Canberra Gem Grevillea , Pink Grevillea, Family: Proteaceae )
- Grevillea sp., Variety/cultivar: 'Bronze Rambler' (Bronze Rambler Grevillea, Trailing Grevillea, Family: Proteaceae )
- Grevillea_sp, Variety/cultivar: 'Robin Gordon' (Robin Gordon Grevillea, Family: Proteaceae )
- Grewia asiatica, Grewia subinaequalis (Phalsa, Falsa, Sherbet Berry, Family: Malvaceae )
- Grewia bicolor (White Raisin, Family: Malvaceae )
- Grewia flavescens (Sandpaper Raisin, Family: Malvaceae )
- Grewia lasiocarpa (Elepants Ear Grewia, Forest Raisin, Shaggy Raisin, Family: Malvaceae )
- Grewia occidentalis (Lavender Star Flower, Family: Malvaceae )
- Grewia robusta (Raisin Bush, Family: Malvaceae )
- Grewia sp. (Raisin Bush, Family: Malvaceae )
- Grewia vernicosa (Raisin Bush, Family: Malvaceae )
- Grewia villosa (Mallow Raisin, Family: Malvaceae )
- Greyia sp. (Natal bottlebrush, Family: Greyiaceae )
- Grias neuberthii (Piton Tree, Wild Mango, Sanchamangue, Family: Lecythidaceae )
- Griselinia sp. (New Zealand Privet, Broadleaf, Puka, Family: Cornaceae )
- Guaiacum officinale (Lignum Vitae, Guajacum, Guaiac, Family: Zygophyllaceae )
- Guaiacum sanctum (Lignum Vitae, Tree of Life, Gaiac tree, Family: Zygophyllaceae )
- Guaiacum sp. (Lignum Vitae, Guajacum, Guaiac, Family: Zygophyllaceae )
- Guarianthe sp. (Guarianthe, Family: Orchidaceae )
- Guazuma ulmifolia (West Indian Elm, Bay Cedar, Family: Malvaceae )
- Guettarda krugii (Frogwood, Family: Rubiaceae )
- Guettarda scabra (Rough-leaf velvetseed, Family: Rubiaceae )
- Guettarda speciosa (Beach Gardenia, Zebra Wood, Family: Rubiaceae )
- Guettarda uruguensis (Palo Cruz, Uruguay Jasmine, Family: Rubiaceae )
- Gunnera manicata (Giant Rhubarb, Giant Gunnera, Mammutblatt, Dinosaur Food Plant, Family: Gunneraceae )
- Gunnera tinctoria, Gunnera chilensis (Chilean Rhubarb, Giant Rhubarb, Family: Gunneraceae )
- Gurania sp. (Jungle Cucumber, Family: Cucurbitaceae )
- Gustavia augusta (Membrillo, Paco, Pacora, Choco, Sachamango, Heaven Lotus, Family: Lecythidaceae )
- Gustavia gracillima (Heaven Lotus, Narrow-Leaved Gustavia, Family: Lecythidaceae )
- Gustavia monocaulis (Gustavia, Family: Lecythidaceae )
- Gustavia superba (Heaven Lotus, Membrillo, Family: Lecythidaceae )
- Guzmania sp. (Bromeliad, Family: Bromeliaceae )
- Gymnocalycium sp. (Chin Cactus, Family: Cactaceae )
- Gymnocoronis spilanthoides (Senegal tea, Family: Asteraceae )
- Gymnosporia heterophylla, Maytenus heterophylla (Common Spike Thorn, Family: Celastraceae )
- Gymnostachyum ceylanicum, Cryptophragmium ceylanicum (Gymnostachyum, Family: Acanthaceae )
- Gynura aurantiaca (Purple Passion, Family: Asteraceae )
- Gynura crepioides (Okinawa Spinach, Purple Spinach, Family: Asteraceae )
- Gynura procumbens (Alakaline Herb, Sambung Nyawa, Longevity Spinach, Family: Asteraceae )
- Gyrocarpus jacquini, Gyrocarpus americanus (Propellerbaum, Whirly Whirly Tree Burl, Stinkwood, Helicopter Tree, Shitwood, Family: Hernandiaceae )
- Habenaria myriotricha (Medusa-like Habenaria, Family: Orchidaceae )
- Habenaria repens, Orchis repens, Platanthera repens (Water-spider Bog Orchid, Floating Orchid, Family: Orchidaceae )
- Haemanthus albiflos (Paint Brush, Family: Amaryllidaceae )
- Haematoxylum campechianum (Bloodwood Tree, Campeche, Logwood, Family: Fabaceae )
- Hakea bucculenta (Red Pokers, Family: Proteaceae )
- Hakea chordophylla (Bootlace Oak, Bootlace Tree, Corkwood, Family: Proteaceae )
- Hakea laurina (Pin-cushion Hakea, Family: Proteaceae )
- Hakea multilineata (Grass-leaved Hakea, Family: Proteaceae )
- Hakea orthorrhyncha (Bird Beak Hakea, Family: Proteaceae )
- Hakea sericea (Silky Hakea, Family: Proteaceae )
- Hakea tephrosperma (Hooked Needlewood, Small-fruit Hakea, Family: Proteaceae )
- Hakea verrucosa (Warty-fruited Hakea , Family: Proteaceae )
- Halesia carolina (Carolina Silverbell, Snowdrop Tree, Family: Styracaceae )
- Halimodendron halodendron (Common Salttree, Family: Fabaceae )
- Halleria lucida (Tree Fuchsia , Family: Scrophulariaceae )
- Hamamelis mollis (Chinese Witch Hazel, Family: Hamamelidaceae )
- Hamamelis virginiana (American Witch-Hazel, Family: Hamamelidaceae )
- Hamelia axillaris (Balsamillo, Guayabo Negro , Family: Rubiaceae )
- Hamelia cuprea (Bahama Firebush, Family: Rubiaceae )
- Hamelia patens (Fire Bush, Firecracker Plant, Family: Rubiaceae )
- Handroanthus chrysotrichus, Tabebuia chrysotricha, Tabebuia chrysantha (Dwarf Golden Tabebuia, Family: Bignoniaceae )
- Hardenbergia sp. (Coral Pea, Family: Fabaceae )
- Hardwickia binata (Anjan, Family: Fabaceae )
- Harpagophytum leptocarpum, Uncarina leptocarpa (Uncarina, Family: Pedaliaceae )
- Harpephyllum caffrum (Wild Plum, Family: Anacardiaceae )
- Harpullia arborea, Harpullia pendula (Tulipwood, Tulip Lance Wood, Black Tulip (wood), Dolls Eyes, Mogum-mogum, Family: Sapindaceae )
- Harpullia ramiflora (Claudie Tulipwood, Tulipwood, Cape York Tulipwood, Family: Sapindaceae )
- Harrisia bonplandii, Harrisia pomanensis subs. bonplandii, Cereus bonplandii (Applecactus, Midnight Lady, Queen of the Night, Giant Red Dragon Apple Cactus, Family: Cactaceae )
- Hatiora gaertneri, Rhipsalidopsis gaertneri, Schlumbergera gaertneri (Easter Cactus , Family: Cactaceae )
- Hatiora salicornioides, Hatiora bambusoides, Hariota villigera, Hariota salicornioides, Rhipsalis salicornioides (Drunkards Dream, Spice Cactus, Cactus Pencil, Family: Cactaceae )
- Hebe sp. (Veronica, Family: Plantaginaceae )
- Hechtia sp. (False Agave, Family: Bromeliaceae )
- Hedera sp. (Ivy, Family: Araliaceae )
- Hedychium coccineum (Himalayan Ginger Lily, Orange Bottlebrush Ginger, Red Butterfly Ginger , Family: Zingiberaceae )
- Hedychium coronarium (White Ginger, Butterfly Ginger Lily, Family: Zingiberaceae )
- Hedychium flavum (Yellow Butterfly Ginger, Nardo Ginger Lily, Family: Zingiberaceae )
- Hedychium gardnerianum (Indian Ginger, Kahili Ginger, Kahila garland-lily, Family: Zingiberaceae )
- Hedychium longicornutum (Perched Gingerwort, Family: Zingiberaceae )
- Hedychium sp. (Ginger Lily, Family: Zingiberaceae )
- Hedychium sp., Variety/cultivar: 'Elizabeth' (Elizabeth Ginger Lily, Family: Zingiberaceae )
- Heisteria acuminata, Heisteria pallida (Sombrerito, Family: Olacaceae )
- Helenium sp. (Sneezeweed, Family: Asteraceae )
- Heliamphora nutans (Marsh Pitcher Plant, Nodding Sun Pitcher, Family: Sarraceniaceae )
- Heliamphora parva (Marsh Pitcher Plant, Family: Sarraceniaceae )
- Helianthus annuus (Sunflower, Family: Asteraceae )
- Helianthus debilis (Beach Sunflower, Dune Sunflower, Family: Asteraceae )
- Helianthus maximiliani (Maximilian Sunflower, Family: Asteraceae )
- Helichrysum sp. (Strawflower, Immortelle, Helichrysum, Family: Asteraceae )
- Helicia petiolaris (Helicia, Family: Proteaceae )
- Heliconia angusta (Christmas Heliconia, Family: Heliconiaceae )
- Heliconia angusta, Variety/cultivar: Christmas Holiday (Christmas Holiday Heliconia, Family: Heliconiaceae )
- Heliconia aurantiaca (Golden Dwarf Heliconia, Yellow Heliconia, Family: Heliconiaceae )
- Heliconia bihai, Bihai bihai, Heliconia humilis (Macaw Flower, Family: Heliconiaceae )
- Heliconia caribaea (Lobster Claw, Parrot Beak, Family: Heliconiaceae )
- Heliconia collinsiana, Bihai collinsiana (Hanging Heliconia, Platanillo, Family: Heliconiaceae )
- Heliconia hirsuta (Heliconia Costa Flores, Family: Heliconiaceae )
- Heliconia latispatha (Expanded Lobsterclaw, Family: Heliconiaceae )
- Heliconia orthotricha (Heliconia, Lobster claw, Family: Heliconiaceae )
- Heliconia psittacorum, Bihai psittacorum (Parrot's heliconia, Heliconia, Parakeet Flower, Family: Heliconiaceae )
- Heliconia rostrata, Bihai rostrata (Lobster Claw, Parrot's beak, Family: Heliconiaceae )
- Heliconia sp. (Heliconia, Lobster Claw, Family: Heliconiaceae )
- Heliconia stricta (Dwarf Jamaica Heliconia, Firebird, Family: Heliconiaceae )
- Heliconia vellerigera (Heliconia, Family: Heliconiaceae )
- Heliconia x rauliniana (Heliconia Paradise, Family: Heliconiaceae )
- Helicteres guazumifolia (Helicteres, Family: Malvaceae )
- Helicteres isora (Maror-phali, Family: Malvaceae )
- Helicteres jamaicensis (Cork screw, Cowbush, Jamaica Screw Tree,Salz-Bush, Cow Bush, Blind-eye Bush , Family: Malvaceae )
- Heliophila juncea, Brachycarpaea juncea (Wild Stock, Bergviool, Family: Brassicaceae )
- Heliotropium arborescens, Heliotropium peruviana (Turnsole, Cherry Pie, Garden Heliotrope, Family: Boraginaceae )
- Heliotropium peruviana, Heliotropium arborescens, Variety/cultivar: Alba (White Turnsole, Family: Boraginaceae )
- Heliotropium sp. (Turnsole, Heliotrope, Family: Boraginaceae )
- Hemerocallis sp. (Daylily, Family: Xanthorrhoeaceae )
- Hemigraphis alternata, Hemigraphis colorata (Red Ivy, Red Flame Ivy, Waffle plant, Family: Acanthaceae )
- Hemigraphis sp. (Waffle Plant, Dragon Tongue , Family: Acanthaceae )
- Hemionitis arifolia, Asplenium arifolia, Hemionitis cordifolia (Heart Fern , Family: Hemionitidaceae )
- Hemionitis palmata (Starfern, Family: Hemionitidaceae )
- Hemionitis sp. (Hemionitis, Family: Hemionitidaceae )
- Hemiorchis burmanica (Hemiorchis , Family: Zingiberaceae )
- Henckelia moonii, Chirita moonii (Blue bell, Moonlight, Family: Gesneriaceae )
- Heptacodium miconioides, Heptacodium jasminoides (Seven Sons plant, Family: Caprifoliaceae )
- Herissantia crispa, Abutilon crispum (Bladdermallow, Curly Abutilon, Family: Malvaceae )
- Heritiera littoralis (Dungun, Looking-glass Mangrove, Family: Malvaceae )
- Hermannia verticillata, Mahernia verticillata (Honeybells, Family: Malvaceae )
- Hernandia sonora (Jack-in-a-box, Mago, Family: Hernandiaceae )
- Herrania imbricata (Monkey Cocoa, Family: Malvaceae )
- Herrania nitida, Theobroma nitidum (Monkey Cocoa, Family: Malvaceae )
- Herrania purpurea (Monkey Cocoa , Family: Malvaceae )
- Hesperaloe funifera (Giant Hesperaloe, New Mexico False Yucca, Family: Asparagaceae )
- Hesperaloe parviflora (Red Yucca, Family: Asparagaceae )
- Heteromeles arbutifolia (Toyon, California-holly, Christmasberry, Family: Rosaceae )
- Heteromorpha arborescens (Parsley Tree, Family: Apiaceae / Umbelliferae )
- Heteropterys glabra, Heteropterys angustifolia (Mariposa, Red Wing, Family: Malpighiaceae )
- Heterospathe elata (Sagisi Palm, Family: Arecaceae / Palmae )
- Heuchera sp. (Alumroot, Coral Bells, Family: Saxifragaceae )
- Hevea brasiliensis (Rubber Tree, Sharinga Tree, Family: Euphorbiaceae )
- Hexachlamys edulis (Uvaia do Campo, Ubajai, Ivai, Ibajai, Ubajay, Family: Myrtaceae )
- Hibbertia sp. (Guinea Flower, Family: Dilleniaceae )
- Hibiscus acetosella (African Rosemallow, Maple Sugar, Red Hibiscus, Cranberry Shield, Family: Malvaceae )
- Hibiscus arnottianus (Hawaiian White Hibiscus, Hau hele, O'ahu White Hibiscus, Family: Malvaceae )
- Hibiscus cannabinus (Kenaf, Java Jute, Family: Malvaceae )
- Hibiscus coccineus (Scarlet Hibiscus, Scarlet Rose Mallow, Swamp Hibiscus, Family: Malvaceae )
- Hibiscus El Capitolio Group, Variety/cultivar: Bloody Mary (Bloody Mary Hibiscus, Family: Malvaceae )
- Hibiscus El Capitolio Group, Variety/cultivar: Tequila Sunrise (Tequila Sunrise Hibiscus, Family: Malvaceae )
- Hibiscus elatus, Talipariti elatum (Mahoe, Majagua, Family: Malvaceae )
- Hibiscus grandidieri (Red Chinese Lantern, Family: Malvaceae )
- Hibiscus grandidieri x schizopetalus (Fairy Dancer, Family: Malvaceae )
- Hibiscus moscheutos (Swamp-rose Mallow, Hardy Hibiscus, Crimsoneyed Rosemallow, Rose Mallow, Swamp Mallow, Family: Malvaceae )
- Hibiscus mutabilis (Confederate Rose, Cotton Rose, Common Rose Mallow, Family: Malvaceae )
- Hibiscus panduriformis (Yellow Hibiscus, Family: Malvaceae )
- Hibiscus rosa sinensis Red Semi-Double, Variety/cultivar: 'Red Semi-Double' (Red Double Hibiscus, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Kona (Hibiscus Double Kona, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Myrna Loy (Hibiscus Myrna Loy, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Celia (Double red hibiscus, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Fiesta (Hibiscus Fiesta, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Zephyr (Hibiscus, Family: Malvaceae )
- Hibiscus rosa-sinensis (Hibiscus Aurora, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Mrs James Hendry (Hibiscus Mrs James Hendry, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Country Music (Hibiscus Country Music, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Kinchens (Hibiscus Kinchens Yellow, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: 'Tiger Eye' (Hibiscus Tiger Eye, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Dark Star (Hibiscus Dark Star - Double Pink, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Jane Cowel (Hibiscus Jane Cowel Double peach, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Robyn Jean (Hibiscus Robyn Jean, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Snow Queen (Hibiscus Snow Queen, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Variegata (Variegated Hibiscus, Hibiscus Cooperi, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Orange Lagos (Hibiscus Orange Lagos, Family: Malvaceae )
- Hibiscus rosa-sinensis (Hibiscus, Chinese Rose, Japanese Rose, Tropical Hibiscus, Shoe Flower, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Florida Sunset (Hibiscus Florida Sunset, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Kristen Coveny (Hibiscus Kristen Coveny, Family: Malvaceae )
- Hibiscus rosa-sinensis, Variety/cultivar: Hawaiian Salmon (Hibiscus Hawaiian Salmon, Family: Malvaceae )
- Hibiscus rosa-sinensis Apricot Brandy, Variety/cultivar: 'Apricot Brandy' (Apricot Brandy Hibiscus , Family: Malvaceae )
- Hibiscus sabdariffa (Karkade, Red sorrel, Red tea, Roselle, Flor de Jamaica, Rosa de Jamaica, Kerkade Sorrel , Family: Malvaceae )
- Hibiscus schizopetalus (Coral Hibiscus, Skeleton Hibiscus, Chinese Lantern, Japanese Lantern, Fringed Hibiscus, Family: Malvaceae )
- Hibiscus sp. (Rosemallow, Hibiscus, Family: Malvaceae )
- Hibiscus storckii (Hidden Valley Hibiscus, Family: Malvaceae )
- Hibiscus syriacus (Blue Hibiscus, Rose of Sharon, Family: Malvaceae )
- Hibiscus tiliaceus, Talipariti tiliaceum (Mahoe, Family: Malvaceae )
- Hibiscus trionum (Bladder Hibiscus, Bladder Ketmia, Flower-of-the-hour, Modesty, Venice Mallow, Family: Malvaceae )
- Hibiscus x archeri (Red Hibiscus, Archer's Hibiscus, Family: Malvaceae )
- Hippeastrum reticulatum (Netted-Veined Amaryllis, Striped-Leaved Amaryllis, Family: Amaryllidaceae )
- Hippeastrum sp. (Amaryllis, Family: Amaryllidaceae )
- Hippobroma longiflora (Star of Bethlehem, Family: Campanulaceae )
- Hippocratea paniculata (Hippocratea, Family: Celastraceae )
- Hippophae rhamnoides (Sea Buckthorn, Family: Elaeagnaceae )
- Hiptage benghalensis, Hyptage bengalensis (Hiptage, Helicopter Flower, Family: Malpighiaceae )
- Hiptage lucida (Cambodia Helicopter Flower, Family: Malpighiaceae )
- Hitchenia careyana, Curcuma careyana (Praying Mantle Ginger, Family: Zingiberaceae )
- Hoffmannia ghiesbreghtii, Campylobotrys ghiesbreghtii (Taffeta Plant, Strawberry Splash, Family: Rubiaceae )
- Hoffmannia refulgens (Taffeta Plant, Family: Rubiaceae )
- Hoffmannia roezlii (Taffeta Plant, Family: Rubiaceae )
- Hoffmannia sp. (Family: Rubiaceae )
- Hohenbergia correia-araujoi (Hohenbergia, Family: Bromeliaceae )
- Hohenbergia pennae (Hohenbergia, Family: Bromeliaceae )
- Hoheria sp. (Houhere, Lacebark, Ribbonwood, Family: Malvaceae )
- Holcoglossum subulifolium (Terete-Leafed Holcoglossum, Family: Orchidaceae )
- Holmskioldia citrina, Variety/cultivar: 'Citrina' (Mandarin Sunrise, Mandarins hat, Yellow Chinese Hat, Family: Lamiaceae )
- Holmskioldia sanguinea, Variety/cultivar: 'Bronze' (Chinese hat, Cup and Saucer, Parasol Flower, Mandarins hat, Family: Lamiaceae )
- Holmskioldia sanguinea (Chinese hat, Cup and Saucer, Parasol Flower, Mandarins hat, Family: Lamiaceae )
- Holmskioldia taitensis, Holmskoldia tettensis, Karomia speciosa (Tahitian Hat, Family: Lamiaceae )
- Homalomena sp. (Homalomena, Family: Araceae )
- Hoodia sp. (Hoodia, Family: Apocynaceae )
- Horsfieldia crassifolia, Myristica crassifolia (Horsfieldia, Family: Myristicaceae )
- Horsfieldia sucosa, Horsfieldia bracteosa (Darah-darah, Kumpang, Pendarahan, Family: Myristicaceae )
- Hosta sp. (Plantain Lily, Giboshi, Hostas, Family: Asparagaceae )
- Houttuynia cordata (Chameleon plant, Family: Saururaceae )
- Hovenia dulcis (Japanese Raisin Tree, Family: Rhamnaceae )
- Hoya archboldiana (Papua Wax Plant, Family: Apocynaceae )
- Hoya australis (Common Waxflower, Family: Apocynaceae )
- Hoya bella (Beautiful Hoya, Pretty Waxflower, Family: Apocynaceae )
- Hoya bilobata (Wax Plant, Porcelain Flower, Family: Apocynaceae )
- Hoya calycina (Wax Flower, Family: Apocynaceae )
- Hoya carnosa (Wax Plant, Family: Apocynaceae )
- Hoya carnosa, Variety/cultivar: Compacta (Hindu Rope, Krinkle Kurls, Family: Apocynaceae )
- Hoya curtisii (Million Hearts, Tiny-leaf Porcelain Flower, Family: Apocynaceae )
- Hoya kerrii (Wax Hearts, Sweetheart Hoya, Valentine Hoya, Heart leaf, Family: Apocynaceae )
- Hoya lacunosa (Wax plant, Family: Apocynaceae )
- Hoya linearis (Porcelain Flower, Family: Apocynaceae )
- Hoya macrophylla, Hoya latifolia, Hoya browniana, Hoya clandestina (White Margin Hoya, Family: Apocynaceae )
- Hoya multiflora, Centrostemma multiflora, Centrostemma platypetalum (Shooting Star Hoya, Family: Apocynaceae )
- Hoya odorata (Wax plant, Family: Apocynaceae )
- Hoya onychoides (Hoya, Family: Apocynaceae )
- Hoya pachyclada (Wax plant, Family: Apocynaceae )
- Hoya pubicalyx (Harlequin Wax Plant, Family: Apocynaceae )
- Hoya retusa (Grass-leafed Hoya, Family: Apocynaceae )
- Hoya sp. (Wax Flower, Family: Apocynaceae )
- Hoya sp., Variety/cultivar: 'Ban Ngong Ngoy' (Hoya 'Ban Ngong Ngoy', Family: Apocynaceae )
- Hoya wayetii, Hoya kentiana (Wax Plant, Family: Apocynaceae )
- Huernia sp. (Huernia, Family: Apocynaceae )
- Humata heterophylla, Davallia heterophylla (Humata, Family: Davalliaceae )
- Humulus lupulus (Hops, Common Hop, Family: Cannabaceae )
- Huperzia phlegmarioides (Layered Tassel Fern, Family: Lycopodiaceae )
- Hura crepitans (Sandbox Tree, Possumwood , Family: Euphorbiaceae )
- Hyacinthus orientalis (Hyacinth, Family: Asparagaceae )
- Hydnocarpus anthelmintica (Siamese Chaulmoogra, Family: Achariaceae )
- Hydnocarpus castanea (Setumpol, Family: Achariaceae )
- Hydnophytum formicarum (Ant Plant, Family: Rubiaceae )
- Hydnophytum moseleyanum (Ant Plant, Family: Rubiaceae )
- Hydnophytum sp. (Ant Plant, Family: Rubiaceae )
- Hydrangea macrophylla (Hortensia, Bigleaf Hydrangea, French Hydrange, Family: Hydrangeaceae )
- Hydrangea quercifolia (Oakleaf Hydrangea, Family: Hydrangeaceae )
- Hydrangea sp. (Hydrangea, Family: Hydrangeaceae )
- Hydrocleys martii (Water Poppy, Family: Alismataceae )
- Hydrocotyle leucocephala (Brazilian Pennywort, Family: Araliaceae )
- Hydrocotyle umbellata (Manyflower Marshpennywort, Dollarweed, Water Pennywort, Family: Araliaceae )
- Hygrophila corymbosa, Nomaphila stricta (Temple Plant, Starhorn, Giant Hygrophila, Family: Acanthaceae )
- Hygrophila difformis (Water Wisteria, Family: Acanthaceae )
- Hygroryza aristata (Hygroryza, Family: Poaceae )
- Hylocereus sp. (Pitaya, Pitahaya, Dragon Fruit, Strawberry Pear, Family: Cactaceae )
- Hymenaea courbaril, Inga megacarpa, Hymenaea animifera (Stinking Toe, Jatoba, Coapinole, Courbaril, Family: Fabaceae )
- Hymenaea verrucosa (Copalier, Gum Copal, Family: Fabaceae )
- Hymenocallis sp. (Spider Lily, Ismene, Sea Daffodil, Family: Amaryllidaceae )
- Hymenocallis speciosa, Pancracium speciosum (Spider Lily, Family: Amaryllidaceae )
- Hymenocardia ulmoides (Red Heart Tree, Family: Euphorbiaceae )
- Hymenosporum flavum (Native Frangipani, Queensland Frangipani, Sweet Cheesewood, Sweetshade, Family: Pittosporaceae )
- Hyobanche sanguinea, Hyobanche coccinea (Snail Flower, Cat's Claw, Ink Flower, Family: Orobanchaceae )
- Hyophorbe lagenicaulis, Mascarena lagenicaulis (Bottle Palm, Family: Arecaceae / Palmae )
- Hyophorbe sp., Mascarena sp. (Bottle Palm, Spindle Palm, Family: Arecaceae / Palmae )
- Hyophorbe verschaffeltii, Mascarena verschaffeltii (Spindle Palm, Family: Arecaceae / Palmae )
- Hyperacanthus amoenus, Gardenia amoena (Thorny gardenia, Murombe, Bembethu, Family: Rubiaceae )
- Hypericum sp. (St John Wort, Family: Clusiaceae / Guttiferae )
- Hyphaene coriacea, Hyphaene natalensis (Elala Palm, Family: Arecaceae / Palmae )
- Hyphaene sp. (Hyphaene, Family: Arecaceae / Palmae )
- Hyphaene thebaica (Gingerbread Palm, African Doum Palm, Family: Arecaceae / Palmae )
- Hypocalyptus sophoroides (Red Keur, Rooikeur, Family: Fabaceae )
- Hypoestes aristata (Purple Haze, Ribbon Bush, Family: Acanthaceae )
- Hypoestes forskaolii, Hypoestes verticillaris (Kwaduko, Family: Acanthaceae )
- Hypoestes phyllostachya, Hypoestes sanguinolenta (Polka Dot plant, Family: Acanthaceae )
- Hypoxis hemerocallidea, Hypoxis rooperii (Yellow Stars, Star Lily, African Potato, Family: Hypoxidaceae )
- Hypoxis villosa (Golden Winter Star, Family: Hypoxidaceae )
- Ibervillea sonorae (Wereke, Family: Cucurbitaceae )
- Ibervillea tenuisecta (Cutleaf Globe Berry, Slimlobe Globeberry, Family: Cucurbitaceae )
- Iboza riparia, Tetradenia riparia (Musk Bush, Misty Plume Bush, Ginger Bush, Gemmerbos, Watersalie, Family: Lamiaceae )
- Iguanura wallichiana (Tronok, Family: Arecaceae / Palmae )
- Ilex aquifolium (European Holly , Family: Aquifoliaceae )
- Ilex cassine (Dahoon Holly, Dahoon , Family: Aquifoliaceae )
- Ilex cornuta (Chinese Holly, Horned Holly, Family: Aquifoliaceae )
- Ilex opaca (American Holly , Family: Aquifoliaceae )
- Ilex paraguariensis (Yerba Mate, Family: Aquifoliaceae )
- Ilex pernyi (Perney's Holly, Family: Aquifoliaceae )
- Ilex verticillata (American Winterberry, Coralberry, Family: Aquifoliaceae )
- Ilex vomitoria (Yaupon Holly, Family: Aquifoliaceae )
- Illicium sp. (False Anise, Anise Tree, Star Anise, Licorice, Family: Illiciaceae )
- Impatiens marianae (Touch-me-not, Family: Balsaminaceae )
- Impatiens morsei, Impatiens velvetea (Velvet Love, Secret Love, Family: Balsaminaceae )
- Impatiens namchabarwensis (Blue Diamond Impatiens, Family: Balsaminaceae )
- Impatiens niamniamensis (Parrot Plant, Family: Balsaminaceae )
- Impatiens repens (Balsam, Busy Lizzie, Family: Balsaminaceae )
- Impatiens sp. (Garden Balsam, Touch-me-not, Jewel Weed, Family: Balsaminaceae )
- Impatiens x hawkeri (New Guinea Impatiens, Family: Balsaminaceae )
- Indigofera gerardiana, Indigofera heterantha (Gerard's Indigo, Himalayan Indigo, Family: Fabaceae )
- Indigofera spicata (Creeping Indigo, Trailing Indigo, Family: Fabaceae )
- Indigofera suffruticosa (Upright Indigo, Family: Fabaceae )
- Indigofera tinctoria (True indigo, Chinese Indigo, Ezo-Yama-Hagi, Family: Fabaceae )
- Inga edulis, Inga feuilleei (Ice Cream Bean, Inga, Guama, Guaba, Family: Fabaceae )
- Inga ilta (Inga, Family: Fabaceae )
- Inga jinicuil, Feuilleea jinicuil, Inga peterno (Paterno, Family: Fabaceae )
- Inga nobilis (Guama Venezolano, Family: Fabaceae )
- Inga spectabilis (Ice Cream Bean, Guabo, Guaba machete, Family: Fabaceae )
- Inga uruguensis (Inga banana, Family: Fabaceae )
- Inocarpus fagifer (Tahitian Chestnut, Polynesian Chestnut, Family: Fabaceae )
- Intsia bijuga (Vesi, Merbau, Borneo Teak, Island Teak, Family: Fabaceae )
- Iochroma coccinea (Red Bells, Burgundy Bells, Family: Solanaceae )
- Iochroma cyaneum (Violet Tubeflowers, Mini Angel Trumpet, Family: Solanaceae )
- Iochroma sp. (Family: Solanaceae )
- Iodina rhombifolia, Jodina rhombifolia (Sombra de Toro, Family: Santalaceae )
- Ipheion uniflorum, Tristagma uniflorum (Spring Star, Family: Amaryllidaceae )
- Ipomoea abrupta, Convolvulus abruptus (Bush Potato, Bush Yam, Family: Convolvulaceae )
- Ipomoea arborescens (Tree Morning Glory, Nahuatl, Ozote, Palo Blanco, Family: Convolvulaceae )
- Ipomoea batatas (Sweet Potato Vine, Camote, Boniato, Family: Convolvulaceae )
- Ipomoea batatas Pink Frost (Potato Vine Pink Frost, Family: Convolvulaceae )
- Ipomoea cairica (Cairo Morning glory, Railroad-creeper, Mile-a-minute, Family: Convolvulaceae )
- Ipomoea carnea (Silver Morning Glory, Bush Morning Glory, Family: Convolvulaceae )
- Ipomoea hederifolia, Ipomoea coccinea (Scarlet Morning Glory, Scarlet Creeper, Star Ipomoea, Trompillo, Family: Convolvulaceae )
- Ipomoea horsfalliae (Cardinal Creeper, Prince Kuhio Vine, Family: Convolvulaceae )
- Ipomoea lobata, Ipomoea versicolor, Mina lobata, Quamoclit lobata (Firecracker vine, Spanish flag, Exotic Love, Family: Convolvulaceae )
- Ipomoea pes caprae, Ipomoea biloba (Beach Morning Glory, Gost Foot Creeper, Railroad Vine, Family: Convolvulaceae )
- Ipomoea pes-tigridis (Tiger Foot Morning Glory, Family: Convolvulaceae )
- Ipomoea platensis, Ipomoea platense, Ipomoea lineariloba (Plata Ipomoea, Caudiciform Morning Glory, Family: Convolvulaceae )
- Ipomoea quamoclit (Cupid Flower, Cypress Vine, Cypressvine Morning-glory, Star of Bethlehem, Star-glory, Sweet-willy, Family: Convolvulaceae )
- Ipomoea sloteri, Ipomoea x multifida (Cardinal Climber, Family: Convolvulaceae )
- Ipomoea sp. (Morning glory, Family: Convolvulaceae )
- Ipomopsis rubra, Gilia rubra (Standing Cypress, Scarlet Gilia, Family: Polemoniaceae )
- Iresine sp. (Beefsteak Plant, Chicken Gizzard, Blood Leaf, Family: Amaranthaceae )
- Iriartea deltoidea (Stilt Palm, Copa Palm, Barrigona Palm, Family: Arecaceae / Palmae )
- Iris Bearded Group (Bearded Iris, Family: Iridaceae )
- Iris Bearded Group, Variety/cultivar: Yellow (Bearded Iris, Family: Iridaceae )
- Iris sp. (Beardless Irises, Water Irises, Family: Iridaceae )
- Iris tectorum, Variety/cultivar: Variegata (Variegated Chinese Roof Iris, Family: Iridaceae )
- Isertia haenkeana (Isertia, Family: Rubiaceae )
- Isidorea pungens (Isidorea, Family: Rubiaceae )
- Isoplexis canariensis (Canary Island Foxglove, Family: Plantaginaceae )
- Isopogon formosus (Rose Coneflower, Drumsticks, Family: Proteaceae )
- Isotoma axillaris (Rock Isotome, Showy Isotome, Blue Stars, Star Flowers, Family: Campanulaceae )
- Itea virginica (Virginia Sweetspire, Family: Grossulariaceae )
- Ixia gloriosa (Blue-eye Kalossie, Family: Iridaceae )
- Ixia viridiflora (Green Ixia, Family: Iridaceae )
- Ixora chinensis (Jungle Flame, Needle Flower, Flame of the Woods, Jungle Geranium, Family: Rubiaceae )
- Ixora coccinea (Jungle flame, Needle flower, Flame of the Woods, Jungle Geranium, Family: Rubiaceae )
- Ixora congesta, Ixora griffithiana (Ixora Thai Flame, Family: Rubiaceae )
- Ixora ebracteata (White Ixora, Family: Rubiaceae )
- Ixora finlaysoniana, Ixora fragrans (Fragrant Ixora, Family: Rubiaceae )
- Ixora lobbii, Ixora taiwanensis (Glossy Pink Ixora, Family: Rubiaceae )
- Ixora longistipula (Tree Ixora, Pink Globe , Family: Rubiaceae )
- Ixora odorata (Fragrant ixora, Family: Rubiaceae )
- Ixora sp. (Jungle Flame, Needle Flower, Family: Rubiaceae )
- Ixora sp., Variety/cultivar: Sea Green (Ixora Sea Green, Family: Rubiaceae )
- Ixora sp., Variety/cultivar: Thai Snow (Ixora Thai Snow, Family: Rubiaceae )
- Ixora sp., Variety/cultivar: Hindu Rope (Ixora Hindu Rope, Family: Rubiaceae )
- Ixora sp., Variety/cultivar: Crimson Star (Crimson Star, Family: Rubiaceae )
- Jacaranda caerulea (Boxwood, Caribbean jacaranda Cancer Tree, What O'clock, Clock Bush, Knucker Box, Family: Bignoniaceae )
- Jacaranda cuspidifolia (Jacaranda, Family: Bignoniaceae )
- Jacaranda jasminoides, Jacaranda curialis, Bignonia curialis (Dwarf Maroon Jacaranda, Family: Bignoniaceae )
- Jacaranda mimosifolia, Jacaranda acutifolia (Jacaranda, Family: Bignoniaceae )
- Jacaranda sp. (Jacaranda, Family: Bignoniaceae )
- Jacaratia spinosa, Carica spinosa (Wild Mango, Mamoeiro-bravo, Family: Caricaceae )
- Jacquemontia pentantha (Skyblue Clustervine, Family: Convolvulaceae )
- Jacquinia arborea, Jacquinia armillaris (Torchwood, Azucares, Barbasco, Braceletwood, Family: Primulaceae )
- Jaltomata procumbens, Saracha procumbens (Creeping False Holly, Jaltomate, Family: Solanaceae )
- Jaltomata viridiflora, Atropa viridiflora (Yerba-Mora, Family: Solanaceae )
- Jasminum adenophyllum (Bluegrape jasmine, Princess jasmine, Che vang, Lai la co tuyen, Family: Oleaceae )
- Jasminum aemulum (Palawan Jasmine, Malulee, Family: Oleaceae )
- Jasminum angulare (South African Jasmine, Family: Oleaceae )
- Jasminum azoricum, Jasminum trifoliatum Moench, Jasminum bahiense, Jasminum blandum, Jasminum hildebrandtii, Jasminum holstii (River Jasmine, Scrambling Vine, Jasmine De Trapo, Family: Oleaceae )
- Jasminum dichotomum (Rose Bud Jasmine, Everblooming Jasmine, Gold Coast Jasmine, Family: Oleaceae )
- Jasminum fluminense, Jasminum azoricum var. fluminense (Wild jasmine, Family: Oleaceae )
- Jasminum humile, Jasminum giraldi (Italian Jasmine, Family: Oleaceae )
- Jasminum mesnyi, Jasminum primulinum (Japanese Jasmine, Primrose Jasmine, Family: Oleaceae )
- Jasminum molle, Jasminum auriculatum (Jasmine Molle, Indian Jui, Family: Oleaceae )
- Jasminum multipartitum, Jasminum glaucum var. parviflorum (Starry Wild Jasmine, Family: Oleaceae )
- Jasminum nitidum, Jasminum magnificum, Jasminum illicifolium (Star Jasmine, Angelwing Jasmine, Shining Jasmine, Windmill Jasmine, Royal Jasmine, Family: Oleaceae )
- Jasminum nudiflorum (Winter jasmine, Family: Oleaceae )
- Jasminum officinale, Variety/cultivar: 'Flore pleno' (True Jasmine, Common Jasmine, French Perfume Jasmine, Poet's Jasmine, Catalonian J., Spanish J., Family: Oleaceae )
- Jasminum officinale, Jasminum viminale, Jasminum vulgatum, Jasminum affine (True jasmine, Common jasmine, French Perfume Jasmine, Poet's jasmine, Catalonian Jasmine, Spanish Jasmine, Family: Oleaceae )
- Jasminum parkeri (Himalayian Bonsai Jasmine, Dwarf Jasmine, Family: Oleaceae )
- Jasminum polyanthum, Jasminum blinii, Jasminum delafieldii (Pink jasmine, Winter Jasmine, French Perfume, Family: Oleaceae )
- Jasminum pubescens, Jasminum multiflorum, Jasminum gracillimum, Jasminum bifarium, Jasminum elongatum (Downy Jasmine, Angel Hair Jasmine, Star Jasmine, Family: Oleaceae )
- Jasminum Rex (Royal Jasmine, Family: Oleaceae )
- Jasminum sambac, Variety/cultivar: Mysore Mulli (Mysore Mulli Jasmine, Family: Oleaceae )
- Jasminum sambac, Variety/cultivar: Grand Duke Of Tuscany (Mogori Sambac, Butt Mograw, Hawaiian Pikake, Moss Rose Jasmine, Sambac Flore Pleno, Family: Oleaceae )
- Jasminum sambac, Variety/cultivar: Malichat x Arabian Nights (Rosebud Jasmine, Family: Oleaceae )
- Jasminum sambac, Variety/cultivar: Belle of India Elongata (Belle of India Jasmine, Mangalore Malli, Uduppii Malli, Shankarapuram Malli, Family: Oleaceae )
- Jasminum sambac, Variety/cultivar: Mali Chat (Mali Chat, Malichat Jasmine, Family: Oleaceae )
- Jasminum sambac, Variety/cultivar: 'Gundu malli' (Gundu malli Jasmine, Family: Oleaceae )
- Jasminum sambac, Variety/cultivar: Maid of Orleans (Maid of Orleans Arabian Jasmine, Hawaiian Pikake, Sampaguitas, Sumpa Kita, Family: Oleaceae )
- Jasminum sambac, Variety/cultivar: Arabian Nights (Arabian Knights tea jasmine, Arabian Nights, Sampaguitas, Arabian Jasmine, Hawaiian Pikake, Family: Oleaceae )
- Jasminum sambac, Variety/cultivar: Grand Duke Supreme (Fragrant Jasmine, Grand Duke Supreme Sambac Jasmine, Family: Oleaceae )
- Jasminum sp. (Dwarf White Jasmine, Jasmine Mini, Baby Jasmine, Family: Oleaceae )
- Jasminum stephanense (Pink Hybrid Jasmine, Family: Oleaceae )
- Jasminum tortuosum (African Jasmine, Perfume jasmine, Family: Oleaceae )
- Jasminum volubile, Jasminum simplicifolium (Wax Jasmine, Australian Wax Jasmine, Family: Oleaceae )
- Jatropha berlandieri (Jatropha Buddah Belly, Baseball Plant, Family: Euphorbiaceae )
- Jatropha curcas (Physic Nut, Purging Nut, Family: Euphorbiaceae )
- Jatropha gossypiifolia (Bellyache bush, Cotton Leaf, Physic nut, Sibidigua, Tua-Tua, Family: Euphorbiaceae )
- Jatropha integerrima, Jatropha pandurata (Peregrina, Spicy Jatropha, Coral Plant, Physic Nut, Family: Euphorbiaceae )
- Jatropha mahafalensis (Jatropha, Family: Euphorbiaceae )
- Jatropha multifida, Adenoropium multifidum (Jatropha Tree, Family: Euphorbiaceae )
- Jatropha podagrica (Gout Plant, Gout Stick, Buddha Belly, Guatemala Rhubarb, Tartogo, Family: Euphorbiaceae )
- Jatropha sp. (Coral Plant, Family: Euphorbiaceae )
- Jatropha unicostata (Jatropha, Family: Euphorbiaceae )
- Johannesteijsmannia magnifica (Silver Joey, Family: Palmae )
- Jollydora armandui (Jollydora, Family: Connaraceae )
- Jovellana violacea, Calceolaria violacea (Jovellana, Teacup Flower, Orchid Bush, Family: Calceolariaceae )
- Juanulloa aurantiaca, Juanulloa mexicana (Gold Finger Plant, Mexican Spoon Flower, Family: Solanaceae )
- Juanulloa parasitica (Gold Finger Plant, Family: Solanaceae )
- Juglans neotropica (Colombian walnut, Ecuadorian walnut, Andean walnut, Nogal, Family: Juglandaceae )
- Juglans regia (Persian Walnut, Family: Juglandaceae )
- Juncus effusus , Variety/cultivar: 'Spiralis' (Corkscrew Rush, Spiral Rush, Soft Rush, Family: Juncaceae )
- Juniperus chinensis (Chinese juniper, Family: Cupressaceae )
- Juniperus sp. (Juniper, Family: Cupressaceae )
- Justicia adhatoda, Adhatoda vasica (Malabar nut, Adhatoda, Vasa, Family: Acanthaceae )
- Justicia aurea, Jacobina aurea, Jacobinia aurea (Yellow Jacobinia, Golden Plume, Family: Acanthaceae )
- Justicia betonica, Justicia pallidior (White Shrimp plant, Squirrel Tail, Paper Plume, Family: Acanthaceae )
- Justicia brandegeeana , Variety/cultivar: 'Fruit Cocktail' (Fruit Cocktail Shrimp Plant, Family: Acanthaceae )
- Justicia brandegeeana, Variety/cultivar: 'Yellow Queen' (Yellow Shrimp plant, Family: Acanthaceae )
- Justicia brandegeeana, Variety/cultivar: Red (Red Shrimp Plant, Family: Acanthaceae )
- Justicia brandegeeana, Beloperone guttata (Mexican Shrimp Plant, Shrimp Plant, Family: Acanthaceae )
- Justicia brasiliana, Dianthera nodosa (Pink Justicia, Family: Acanthaceae )
- Justicia californica, Beloperone californica (Chuparosa, Family: Acanthaceae )
- Justicia carnea, Jacobinia carnea (Brazilian Plume, Flamingo Flower, Family: Acanthaceae )
- Justicia chrysostephana, Cyrtanthera chrysostephana, Jacobinia chrysostephana (Orange Flame Justicia, Family: Acanthaceae )
- Justicia fulvicoma, Justicia comosa, Beloperone comosa, Beloperone fulvicoma (Orange Shrimp Plant, Mexican Plume)
- Justicia gendarussa, Gendarussa vulgaris (Daun Rusa, Gandarusa, Water willow, Family: Acanthaceae )
- Justicia moritziana, Amphiscopia lancifolia var. minor (Justicia, Family: Acanthaceae )
- Justicia pectoralis (Piri Piri, Freshcut, Tilo, Family: Acanthaceae )
- Justicia rizzinii, Jacobinia pauciflora (Firefly, Family: Acanthaceae )
- Justicia sericea (Justicia , Family: Acanthaceae )
- Justicia sp. (Justicia, Shrimp Plant, Family: Acanthaceae )
- Justicia spicigera, Jacobinia spicigera, Justicia sidicaro (Mexican Honeysuckle, Orange Plume Flower, Family: Acanthaceae )
- Kabuyea hostifolia, Cyanastrum hostifolium (African Lily of the Valley, Family: Tecophilaeaceae )
- Kaempferia angustifolia, Kaempferia undulata (Peacock Ginger, Resurrection Lily, Family: Zingiberaceae )
- Kaempferia galanga (Sand Ginger, Aromatic Ginger, Resurrection Lily, Family: Zingiberaceae )
- Kaempferia pulchra (Peacock Ginger, Resurrection Lily, Family: Zingiberaceae )
- Kaempferia sp. (Resurrection Lily, Family: Zingiberaceae )
- Kailarsenia lineata (Kailarsenia, Family: Rubiaceae )
- Kalanchoe beharensis (Velvet Leaf, Family: Crassulaceae )
- Kalanchoe blossfeldiana (Flaming Katy, Christmas Kalanchoe, Florist Kalanchoe, Family: Crassulaceae )
- Kalanchoe dinklagei (Kalanchoe, Family: Crassulaceae )
- Kalanchoe farinacea (Mealy Kalanchoe, Family: Crassulaceae )
- Kalanchoe figuereidoi (Desert Surprise, Family: Crassulaceae )
- Kalanchoe katapifa, Variety/cultivar: 'Tarantula' (Kalanchoe 'Tarantula', Family: Crassulaceae )
- Kalanchoe laciniata (Christmas Tree Plant, Family: Crassulaceae )
- Kalanchoe luciae (Paddle Leaf, Flapjacks, Desert Cabbage, Family: Crassulaceae )
- Kalanchoe marmorata, Kalanchoe grandiflora (Penwiper Plant, Family: Crassulaceae )
- Kalanchoe millotii (Kalanchoe, Family: Crassulaceae )
- Kalanchoe mortagei (Kalanchoe, Family: Crassulaceae )
- Kalanchoe orgyalis (Bronze Kalanchoe, Family: Crassulaceae )
- Kalanchoe pumila (Blue Kalanchoe, Family: Crassulaceae )
- Kalanchoe rhombopilosa (Pies from Heaven , Family: Crassulaceae )
- Kalanchoe serrata, Bryophyllum serratum (Kalanchoe Magic Tower, Family: Crassulaceae )
- Kalanchoe sp. (Kalanchoe, Family: Crassulaceae )
- Kalanchoe synsepala (Walking Kalanchoe, Cup Kalanchoe, Family: Crassulaceae )
- Kalanchoe thyrsiflora, Kalanchoe tetraphylla (Paddle Leaf, Flapjacks, Desert Cabbage, Family: Crassulaceae )
- Kalanchoe tomentosa (Pussy Ears, Panda Plant, Family: Crassulaceae )
- Kalanchoe uniflora, Kalanchoe ambrensis, Bryophyllum uniflorum (Kalanchoe, Family: Crassulaceae )
- Kalanchoe velutina (Velvet Leaf Kalanchoe , Family: Crassulaceae )
- Kalanchoe x blossfeldiana (Kalanchoe, Christmas Kalanchoe, Family: Crassulaceae )
- Kalmia latifolia (Calico Bush, Mountain Laurel, Poison Ivy, Spoonwood, Family: Ericaceae )
- Kedrostis africana, Bryonia africana (Baboon's Cucumber, Family: Cucurbitaceae )
- Kedrostis crassirostrata (Hooked Kedrostis, Family: Cucurbitaceae )
- Kennedia macrophylla, Kennedya marryattae (Cape Leewin Climber, Coral Pea, Family: Fabaceae )
- Kennedia nigricans (Black Coral Pea, Family: Fabaceae )
- Kerria japonica, Variety/cultivar: Pleniflora (Double Kerria, Wild Rose, Japanese Rose, Family: Rosaceae )
- Kerriodoxa elegans (White Elephant Palm, King Thai Palm, Family: Arecaceae / Palmae )
- Kigelia pinnata, Kigelia africana (Sausage Tree, Family: Bignoniaceae )
- Kiggelaria africana (Wild peach, Family: Salicaceae )
- Kirengeshoma palmata (Yellow Waxbells, Family: Hydrangeaceae )
- Kleinhovia hospita, Kleinhovia serrata, Grewia meyeniana (Guest Tree,Tan-ag, Family: Malvaceae )
- Kleinia neriifolia, Senecio kleinia (Verode, Family: Asteraceae )
- Kleinia pendula, Senecio pendulus (Tapeworm Plant, Family: Asteraceae )
- Kleinia stapeliiformis, Senecio stapeliiformis (Pickle Plant, Family: Asteraceae )
- Knema sp. (Knema, Family: Myristicaceae )
- Kniphofia sp. (Red Hot Poker, Torch Lily, Family: Asphodelaceae )
- Koanophyllon villosum, Eupatorium villosum (Jack-Ma-Da, Bitter Sage, Thoroughwort, Family: Asteraceae )
- Koellikeria erinoides (Koellikeria, Family: Gesneriaceae )
- Koelreuteria bipinnata (Chinese Flame Tree, Chinese Golden Rain Tree, Family: Sapindaceae )
- Koelreuteria paniculata (Golden Rain Tree, Varnish tree, Chinese Flame, Family: Sapindaceae )
- Kohleria sp. (Kohleria, Family: Gesneriaceae )
- Kolkwitzia amabilis, Linnaea amabilis (Beauty Bush, Family: Caprifoliaceae )
- Kopsia arborea (Pin-mala, Family: Apocynaceae )
- Kopsia fruticosa (Shrub Vinca, Pink Kopsia, Kopsia Merah, Pink Gardenia, Pink Giant Shrub Periwinkle, Family: Apocynaceae )
- Kopsia officinalis (Kopsia , Family: Apocynaceae )
- Kopsia pruniformis (Kopsia, Family: Apocynaceae )
- Kopsia singaporensis (White Kopsia, Singapore Kopsia, Family: Apocynaceae )
- Kopsia sp. (White Oleander, Family: Apocynaceae )
- Labisia sp. (Labisia, Family: Primulaceae )
- Lablab purpureus, Dolichos lablab (Hyacinth bean, Family: Fabaceae )
- Labourdonnaisia glauca (Bois de Natte à Grandes Feuilles, Family: Sapotaceae )
- Laburnocytisus Adamii (Adam's Laburnum, Broom Laburnum, Family: Fabaceae )
- Laburnum sp. (Golden Chain Tree, Scotch Laburnum, Family: Fabaceae )
- Lachenalia aloides, Lachenalia tricolor (Cape Cowslip, Family: Asparagaceae )
- Lachenalia mutabilis (Mutabilis Cape Cowslip, Family: Asparagaceae )
- Laelia sp. (Laelia, Family: Orchidaceae )
- Lagerstroemia floribunda (Kedah Bungor, Crepe Myrtle, Family: Lythraceae )
- Lagerstroemia indica (Crape Myrtle, Crepe Myrtle, Family: Lythraceae )
- Lagerstroemia langkawiensis (Crepe Myrtle, Family: Lythraceae )
- Lagerstroemia loudonii (Thai Bungor, Family: Lythraceae )
- Lagerstroemia speciosa, Lagerstroemia flos reginae (Queens Crape Myrtle, Queens flower, Pride of India, Banaba., Family: Lythraceae )
- Lagerstroemia tomentosa (White Crape Myrtle , Family: Lythraceae )
- Lagunaria patersonia, Hibiscus patersonia, Laguna squamea (Primrose Tree, Cow Itch Tree, Family: Malvaceae )
- Lagynias lasiantha (Natal Medlar, Family: Rubiaceae )
- Lamourouxia virgata (Lamourouxia, Family: Orobanchaceae )
- Lampranthus sp. (Lampranthus, Family: Aizoaceae )
- Lansium domesticum (Langsat, Longkong, Lanzones, Family: Meliaceae )
- Lantana camara (Bush Lantana, Family: Verbenaceae )
- Lantana montevidensis, Lantana sellowiana (Trailing lantana, Family: Verbenaceae )
- Lantana sp. (Lantana, Family: Verbenaceae )
- Lantana trifolia (Threeleaf Shrubverbena , Family: Verbenaceae )
- Lapageria rosea (Copihue, Chilean Bellflower, Family: Philesiaceae )
- Lapeirousia arenicola (Lapeirousia , Family: Iridaceae )
- Larrea tridentata (Creosote Bush, Family: Zygophyllaceae )
- Lasia spinosa, Dracontium spinosum (Lasia, Kohila, Family: Araceae )
- Lasianthaea fruticosa (Lasianthaea, Family: Asteraceae )
- Latania sp. (Latan Palm, Family: Arecaceae / Palmae )
- Laurus nobilis (Bay Leaf, Family: Lauraceae )
- Lavandula angustifolia, Lavandula officinalis, Lavandula vera, Lavandula spica (Lavender, English Lavender, Family: Lamiaceae )
- Lavandula canariensis (Canary Island Lavender, Family: Lamiaceae )
- Lavandula dentata (French Lavender, Family: Lamiaceae )
- Lavandula latifolia (Spike Lavender, Family: Lamiaceae )
- Lavandula multifida (French Lace Lavender, Family: Lamiaceae )
- Lavandula pubescens (Downy Lavender, Family: Lamiaceae )
- Lavandula sp. (Lavender, Family: Lamiaceae )
- Lavandula stoechas (Spanish Lavender, Stoechas Lavender, Topped Lavender, Rabbit Ears, Papillon , Family: Lamiaceae )
- Lavandula x intermedia (Hybrid Lavender, Lavandin , Family: Lamiaceae )
- Lavatera maritima (Tree Mallow , Family: Malvaceae )
- Lawsonia inermis (Henna, Family: Lythraceae )
- Lecanopteris celebica (Ant Fern, Family: Polypodiaceae )
- Lechenaultia biloba (Blue Leschenaultia, Family: Goodeniaceae )
- Lecythis minor, Lecythis elliptica (Monkey Pot, Family: Lecythidaceae )
- Lecythis pisonis (Monkey Pot, Paradise Nut, Sabucaia Nut, Family: Lecythidaceae )
- Lecythis zabucajo (Monkey Pot, Sapucaia, Sapukaina, Sapucai Nut, Paradise Nut, Family: Lecythidaceae )
- Ledebouria socialis, Scilla socialis, Scilla violacea (Leopard Lily, Silver Squill, Violet Squill, Family: Asparagaceae )
- Leea coccinea (Red Leea, West Indian Holly, Hawaiian Holly, Family: Vitaceae )
- Leea guineensis (Leea, Family: Vitaceae )
- Leea indica, Leea sambucina, Leea umbraculifera, Staphylea indica (Bandicoot Berry, Family: Vitaceae )
- Leea macrophylla (Large-leaved Leea, Hathikana, Family: Vitaceae )
- Leea rubra, Leea brunoniana, Leea linearifolia, Leea polyphylla (Red Leea, Family: Vitaceae )
- Lenophyllum guttatum (Sharpleaf Lenophyllum, Family: Crassulaceae )
- Leonotis leonurus (Lions Ears, Lions Tail, Wild Dagga, Family: Lamiaceae )
- Leonotis menthifolia (Urus mane, Naivasha Apricot, Family: Lamiaceae )
- Leonotis nepetifolia (Urus mane, Naivasha Apricot, Family: Lamiaceae )
- Lepanthes sp. (Babyboot orchid, Family: Orchidaceae )
- Lepidozamia peroffskyana (Pineapple Zamia, Family: Zamiaceae )
- Lepisanthes alata, Otophora alata (Johore Tree, Malaysian Lepisanthe, Perupoks, Family: Sapindaceae )
- Lepisanthes amoena (Malaysian Lepisanthes, Buah Matahari, Family: Sapindaceae )
- Lepisanthes fruticosa (Chammaliang, Family: Sapindaceae )
- Lepisanthes rubiginosa, Sapindus rubiginosa, Erioglossum rubiginosum (Rusty Sapindus, Family: Sapindaceae )
- Leptospermum coriaceum (Green Teatree, Family: Myrtaceae )
- Leptospermum scoparium (Manuka, New Zealand Tea Tree, Family: Myrtaceae )
- Leptospermum sp. (New Zealand Tea Tree, Family: Myrtaceae )
- Lespedeza bicolor (Shrubby Bushclover, Family: Fabaceae )
- Lespedeza thunbergii (Bush Clover, Family: Fabaceae )
- Leucadendron sp. (Leucadendron, Family: Proteaceae )
- Leucaena leucocephala, Leucaena glauca, Mimosa leucocephala, Acacia leucocephala (Wild Tamarind, Lead Tree, Family: Fabaceae )
- Leucanthemum sp. (Field Daisy, Ox Eye, Love-Me-Love-Me-Not, Marguerite, Moon Daisy , Family: Asteraceae )
- Leucophyllum frutescens (Texas Ranger, Texas Sage, Barometer Bush, Cenizo, Silverleaf, Purple Sage, Family: Scrophulariaceae )
- Leucophyllum sp. (Texas Sage, Family: Scrophulariaceae )
- Leucophyllum zygophyllum (Cimmaron, Blue Ranger, Silverleaf, Family: Scrophulariaceae )
- Leucospermum cordifolium, Leucospermum nutans (Nodding Pincushion, Family: Proteaceae )
- Leucospermum lineare (Needle-leaf Pincushion, Family: Proteaceae )
- Leucospermum patersonii (Silveredge Pincushion, Family: Proteaceae )
- Leucospermum royenifolium (Eastern Pincushion, Family: Proteaceae )
- Leucospermum sp. (Pincushion, Pincushion Protea, Family: Proteaceae )
- Leuenbergeria bleo, Pereskia bleo, Pereskia corrugata (Rose cactus, Wax rose, Perescia, Family: Cactaceae )
- Leuenbergeria portulacifolia, Pereskia portulacifolia (Pink Rose Cactus, Family: Cactaceae )
- Leuenbergeria quisqueyana, Pereskia quisqueyana (Rosa de Bayahibe, Family: Cactaceae )
- Levisticum officinale (Lovage, Love Parsley , Family: Apiaceae / Umbelliferae )
- Lewisia cotyledon (Cliff Maids, Family: Portulacaceae )
- Leycesteria formosa (Himalayan Honeysuckle,Flowering Nutmeg, Himalaya Nutmeg, Family: Caprifoliaceae )
- Leycesteria gracilis (Leycesteria, Family: Caprifoliaceae )
- Liatris sp. (Blazing-star, Gay-feather, Button Snakeroot, Family: Asteraceae )
- Licania platypus, Moquilea platypus, Licania michauxii (Sunsapote, Monkey apple, Gopher Apple, Family: Chrysobalanaceae )
- Licania tomentosa (Oiti, Family: Chrysobalanaceae )
- Licuala grandis (Ruffled Fan Palm, Family: Arecaceae / Palmae )
- Licuala mattanensis, Variety/cultivar: 'Mapu' (Paradise Palm , Family: Arecaceae / Palmae )
- Licuala peltata (Ruffled Fan palm, Family: Arecaceae / Palmae )
- Licuala sp. (Ruffled Fan palm, Family: Arecaceae / Palmae )
- Ligularia sp. (Leopard Plant, Family: Asteraceae )
- Ligustrum lucidum (Glossy Privet, Waxleaf Privet, Family: Oleaceae )
- Ligustrum sp. (Privet, Family: Oleaceae )
- Lilium catesbaei (Catesby's Lily, Pine Lily, Leopard Lily, Family: Liliaceae )
- Lilium sp. (Lily, Family: Liliaceae )
- Limahlania crenulata, Fagraea crenulata (Cabbage Tree, Malabera, Family: Gentianaceae )
- Limnophila aromatica, Limnophila chinensis var. aromatica (Rice Paddy Herb, Family: Plantaginaceae )
- Limonia acidissima, Feronia elephantum, Feronia limonia (Wood Apple, Bel Fruit, Elephant Apple, Monkey Fruit, Curd Fruit, Bela, Billin, Kath, Family: Rutaceae )
- Limonium sp. (Sea-lavender, Statice, Marsh-rosemary, Family: Plumbaginaceae )
- Linaria maroccana (Moroccan Toadflax, Family: Plantaginaceae )
- Lindera obtusiloba (Japanese Spicebush, Family: Lauraceae )
- Linum usitatissimum (Flax, Linseed, Family: Linaceae )
- Lippia citriodora, Aloysia citriodora, Verbena citriodora, Verbena triphylla (Lemon-scented verbena, lemon Luisa, Pitiona, Family: Verbenaceae )
- Lippia turbinata, Lippia alba (Poleo, Juanilama, Pamporegano, Pitiona, Family: Verbenaceae )
- Liquidambar styraciflua (American Sweetgum, American-storax, Family: Altingiaceae )
- Liriodendron tulipifera (Tulip tree, Yellow Poplar, Tulip Magnolia, Whitewood, Family: Magnoliaceae )
- Liriope muscari (Liriope, Border Grass, Lily-turf, Family: Asparagaceae )
- Lisianthius nigrescens (Flower of Death, La Flor de Muerto, Black Lisianthus , Family: Gentianaceae )
- Lisianthius seemannii (Lisianthius, Family: Gentianaceae )
- Litchi chinensis, Nephelium litchi (Lychee, Lichee, Family: Sapindaceae )
- Lithachne humilis (Bambusoid Grass, Mother of Bamboo, Family: Poaceae )
- Lithops sp. (Living Stones, Family: Aizoaceae )
- Litsea garciae, Lepidadenia kawakamii, Litsea kawakamii, Tetradenia kawakamii (Engkala, Family: Lauraceae )
- Litsea sp. (Litsea, Family: Lauraceae )
- Livistona benthamii, Livistona australis (Bentham's Fountain Palm., Family: Arecaceae / Palmae )
- Livistona chinensis (Chinese Fan, Chinese Fountain Palm, Family: Arecaceae / Palmae )
- Livistona decipiens (Australian Ribbon, Family: Arecaceae / Palmae )
- Livistona humilis (Sand Palm, Family: Arecaceae / Palmae )
- Livistona saribus, Livistona cochinchinensis (Taraw Palm, Serdang, Family: Arecaceae / Palmae )
- Livistona sp. (Fountain Palm, Family: Arecaceae / Palmae )
- Lobelia cardinalis (Cardinal Flower, Family: Campanulaceae )
- Lobelia erinus (Bellflower, Family: Campanulaceae )
- Lobelia laxiflora, Lobelia mexicana (Mexican Cardinal Flower, Mexican Lobelia, Family: Campanulaceae )
- Lobelia siphilitica (Great Blue Lobelia, Blue Cardinal Flower , Family: Campanulaceae )
- Lobelia sp. (Lobelia, Asthma Weed, Indian Tobacco, Pukeweed,Cardinal Flower, Family: Campanulaceae )
- Lobelia tupa (Devil's Tobacco, Tupa, Family: Campanulaceae )
- Lobelia x gerardii (Hybrid Lobelia, Family: Campanulaceae )
- Lobostemon belliformis (Gouriqua Lobostemon, Beaut Healthbush, Family: Boraginaceae )
- Lodoicea maldivica (Coco-de-Mer, Double Cocount, Family: Arecaceae / Palmae )
- Lomatia tinctoria (Guitar Plant, Family: Proteaceae )
- Lonchocarpus violaceus (Lilac Tree, Dotted Lancepod, Chaperno, Family: Fabaceae )
- Lonicera fragrantissima (Winter Honeysuckle, Family: Caprifoliaceae )
- Lonicera japonica (Japanese Honeysuckle, Halls honeysuckle, Family: Caprifoliaceae )
- Lonicera nitida (Box Honeysuckle, Family: Caprifoliaceae )
- Lonicera periclymenum (European Honeysuckle, Family: Caprifoliaceae )
- Lonicera quinquelocularis (Translucent Honeysuckle, Family: Caprifoliaceae )
- Lonicera sempervirens (Coral Honeysuckle, Trumpet Honeysuckle, Family: Caprifoliaceae )
- Lonicera sp. (Honeysuckle, Family: Caprifoliaceae )
- Lonicera thibetica (Tibetan Honeysuckle, Family: Caprifoliaceae )
- Lonicera x brownii (Coral Honeysuckle, Trumpet Honeysuckle, Family: Caprifoliaceae )
- Lonicera x heckrottii (Everblooming Honeysuckle, Gold Flame Honeysuckle, Family: Caprifoliaceae )
- Lophanthera lactescens (Golden Chain Tree, Family: Malpighiaceae )
- Lophocereus schottii , Variety/cultivar: monstrosus (Totem Pole Cactus, Family: Cactaceae )
- Lophostemon confertus, Tristania conferta (Brush Box, Queensland Box, Vinegar tree, Family: Myrtaceae )
- Loropetalum chinense (Silk Ribbon Flower, Family: Hamamelidaceae )
- Lotononis sericophylla, Lotononis trisegmentata (Silky-haired Lotononis, Family: Fabaceae )
- Lotus berthelotii (Coral Gem, Pelican Beak, Parrot Beak , Family: Fabaceae )
- Louteridium donnell-smithii (Louteridium, Family: Acanthaceae )
- Loxostylis alata (Tarwood, Wild pepper tree, Teerhout, Family: Anacardiaceae )
- Luculia sp. (Luculia, Family: Rubiaceae )
- Ludisia discolor, Haemaria discolor, Anoectochilus dawsonianus, Myoda rufescens (Jeweled Ludisia, Jewel Orchid, Goodyera, Family: Orchidaceae )
- Ludovia lancifolia, Carludovica lancifolia, Carludovica disticha (Ludovia, Family: Cyclanthaceae )
- Ludwigia helminthorrhiza (Bushy Seed Box, Rattlebox , Family: Onagraceae )
- Ludwigia octovalvis, Jussiaea suffruticosa, Jussiaea erecta (False Primrose, Mexican Primrose Willow, Swamp Primrose, Family: Onagraceae )
- Ludwigia peploides (Floating Primrose Willow, Creeping Water Primrose, Marsh Purslane, Family: Onagraceae )
- Ludwigia sp. (Swamp Primrose, Family: Onagraceae )
- Luehea divaricata (Acoita Cavalo, Family: Malvaceae )
- Luffa acutangula (Ridged luffa, Vegetable sponge, Angled Luffa, Angled Loofah, Family: Cucurbitaceae )
- Luffa cylindrica (Loofah, Dishcloth Gourd, Vegetable Sponge Gourd, Family: Cucurbitaceae )
- Luma apiculata, Eugenia apiculata (Luma, Chilean Myrtle, Family: Myrtaceae )
- Lumnitzera littorea (Teruntum merah, Family: Combretaceae )
- Lunasia amara, Mytilicoccus costulatus, Mytilicoccus grandifolius, Mytilicoccus quercifolius, Pilocarpus amarus (Lunas, Family: Rutaceae )
- Lycaste sp. (Lycaste, Family: Orchidaceae )
- Lycium barbarum, Lycium chinense (Goji Berry, Gou Qi Zi, Wolfberry, Boxthorn, Matrimony Vine, Family: Solanaceae )
- Lycium sp. (Lycium, Box-thorn, Desert-thorn, Wolfberry, Family: Solanaceae )
- Lycopodium sp. (Rock Tassel Fern, Club Moss, Family: Lycopodiaceae )
- Lygodium japonicum (Japanese Climbing Fern, Family: Schizaeaceae )
- Lysichiton americanus (Yellow Skunk Cabbage, Swamp Lantern, Family: Araceae )
- Lysiloma latisiliquum, Acacia bahamensis, Acacia formosa, Acacia latisiliqua, Leucaena latisiliqua, Lysiloma bahamensis, Lysiloma latisiliqua, Mimosa latisiliqua (Bahamas Lysiloma, Candelon, False Tamarind, Wild Tamarind, Family: Fabaceae )
- Lysiloma microphylla, Lysiloma watsonii (Feather Bush, Family: Fabaceae )
- Lysimachia sp. (Golden Globe, Family: Primulaceae )
- Lytocaryum weddellianum, Cocos weddelliana, Syagrus weddelliana (Miniature Coconut Palm, Weddell's Palm, Family: Arecaceae )
- Maasia glauca, Monoon glaucum, Polyalthia glauca, Polyalthia merrittii, Polyalthia parkinsonii, Unona merrittii, Uvaria glauca (Maasia, Family: Annonaceae )
- Macadamia sp, Macadamia integrifolia, Macadamia tetraphylla (Macadamia nut, Family: Proteaceae )
- Macaranga grandifolia, Macaranga longifolia, Macaranga mappa (Macaranga, Nasturtium Tree, Parasol Leaf Tree, Bingabing, Sun Parasol Shrub, Elephant Ear Tree, Family: Euphorbiaceae )
- Macaranga sp. (Macaranga, Nasturtium Tree, Parasol Leaf Tree, Family: Euphorbiaceae )
- Macaranga tanarius (Parasol Leaf Tree, Family: Euphorbiaceae )
- Mackaya bella, Asystasia bella (Forest bell bush, River bell, Family: Acanthaceae )
- Macleania sp. (Macleania, Family: Ericaceae )
- Maclura pomifera (Osage Orange, Horse Apple, Hedge Apple, Family: Moraceae )
- Macodes sp. (Jewel Orchid, Family: Orchidaceae )
- Macrozamia moorei, Encephalartos moorei (Cycad, Family: Zamiaceae )
- Madhuca esculenta (Lamut Sida, Family: Sapotaceae )
- Madhuca longifolia (Indian Butter Tree, Ippe, Mahua Butter Tree, Moah Tree, Mowra Butter Tree, Family: Sapotaceae )
- Maerua filiformis (Maerua, Family: Capparaceae )
- Maesobotrya sp. (Maesobotrya, Family: Phyllanthaceae )
- Magnolia acuminata (Cucumber Tree, Cucumber Magnolia, Family: Magnoliaceae )
- Magnolia champaca, Michelia champaca (Joy Perfume Tree, Huang Yu Lan, Safa, Family: Magnoliaceae )
- Magnolia coco, Liriodendron coco, Magnolia pumila (Dwarf Magnolia, Cempaka Telur, Cempaka Gondok, Coconut Magnolia, Family: Magnoliaceae )
- Magnolia cylindrica (Huang-shan Magnolia , Family: Magnoliaceae )
- Magnolia delavayi (Chinese Evergreen Magnolia , Family: Magnoliaceae )
- Magnolia doltsopa, Michelia excelsa, Magnolia exelsa (Sweet Michelia, Family: Magnoliaceae )
- Magnolia figo, Michelia figo, Magnolia fuscata (Banana Magnolia, Banana Shrub, Port Wine Magnolia, Family: Magnoliaceae )
- Magnolia floribunda, Michelia floribunda, Magnolia compressa (Magnolia, Family: Magnoliaceae )
- Magnolia grandiflora (Southern Magnolia, Bull Bay, Family: Magnoliaceae )
- Magnolia kobus (Kobushi Magnolia, Family: Magnoliaceae )
- Magnolia lacei (White Michelia, Family: Magnoliaceae )
- Magnolia laevifolia, Magnolia dianica (Magnolia shrub, Family: Magnoliaceae )
- Magnolia liliifera, Talauma candollei (Magnolita, Egg Magnolia, Family: Magnoliaceae )
- Magnolia liliiflora (Mulan Magnolia, Purple Magnolia, Red Magnolia, Lily Magnolia, Tulip Magnolia, Jane Magnolia, Family: Magnoliaceae )
- Magnolia montana (Mountain Magnolia, Family: Magnoliaceae )
- Magnolia obovata (Japanese Bigleaf Magnolia, Japanese Whitebark Magnolia, Family: Magnoliaceae )
- Magnolia officinalis (Medicinal Magnolia, Family: Magnoliaceae )
- Magnolia rajaniana, Michelia champaca Rajaniana (Champa Khao, Cream colored Champa, Magnolia Ivory, Champee Si Nuan, Peacock Magnolia, Family: Magnoliaceae )
- Magnolia sieboldii (Oyama magnolia, Family: Magnoliaceae )
- Magnolia sirindhorniae (Magnolia, Family: Magnoliaceae )
- Magnolia sp. (Magnolia hybrid, Family: Magnoliaceae )
- Magnolia sp., Variety/cultivar: 'Goldstar' (Goldstar Magnolia, Family: Magnoliaceae )
- Magnolia stellata (Star Magnolia, Family: Magnoliaceae )
- Magnolia tripetala (Umbrella Magnolia, Umbrella-tree, Family: Magnoliaceae )
- Magnolia virginiana (Florida Bay Laurel, Sweet Bay, Family: Magnoliaceae )
- Magnolia x alba, Variety/cultivar: 'Golden' (Golden Magnolia, Champaa Thong, Golden Michelia, Michelia alba 'Golden', Family: Magnoliaceae )
- Magnolia x Alba, Michelia x Alba (White Champak, Pak-Lan, Banana Shrub, Cempaka Putih, Bai Yu Lan ( white-jade flower), Bai Yu Lan, Safa, Family: Magnoliaceae )
- Magnolia x brooklynensis Black Beauty (Magnolia Black Beauty , Family: Magnoliaceae )
- Magnolia x Elizabeth (Elizabeth Magnolia, Family: Magnoliaceae )
- Magnolia x soulangeana (Saucer Magnolia, Family: Magnoliaceae )
- Mahonia sp. (Mahonia, Holly Grape, Family: Berberidaceae )
- Maieta guianensis (Amazon Ant-plant, Family: Melastomataceae )
- Maingaya malayana (Penang Hazel , Family: Hamamelidaceae )
- Majidea zanguebarica, Harpullia zanguebarica (Black Pearl, Velvet-seed Tree, Mgambo Tree, Family: Sapindaceae )
- Majorana syriaca, Origanum Maru (Syrian Marjoram, Zaatar, Zahtar, Family: Lamiaceae )
- Malephora crocea (Ice Plant, Coppery Mesemb, Family: Aizoaceae )
- Malpighia coccigera (Miniature Holly, Singapore Holly, Florida Holly, Family: Malpighiaceae )
- Malpighia glabra (Barbados Cherry, Acerola, Malphigia, Cerejeira, Family: Malpighiaceae )
- Malpighia punicifolia , Variety/cultivar: Nana (Barbados-Cherry, Acerola, Dwarf Pink Mound, Malphigia, Cerejeira, Family: Malpighiaceae )
- Malus sp. (Apple, Family: Rosaceae )
- Malus x domestica (Low Chill Apple, Family: Rosaceae )
- Malvaviscus arboreus , Variety/cultivar: penduliflorus 'Alba' (White Turk's Cap, Family: Malvaceae )
- Malvaviscus arboreus , Variety/cultivar: penduliflorus 'Rosea' (Pink Turks cap, Family: Malvaceae )
- Malvaviscus arboreus , Variety/cultivar: penduliflorus (Sleepy Hibiscus, Mexican Turk's Cap, Family: Malvaceae )
- Malvaviscus drummondii, Hibiscus drummondii, Pavonia drummondii (Dwarf mallow, Sleepy Hibiscus, Turk's Cap, Firecracker Hibiscus, Family: Malvaceae )
- Mammea americana (Mammee Apple, Abricodo Para, Family: Calophyllaceae )
- Mammillaria sp. (Mammillaria, Family: Cactaceae )
- Mandevilla, Variety/cultivar: 'Red Riding Hood' (Mandevilla, Family: Apocynaceae )
- Mandevilla amabilis (Thai Rose, Family: Apocynaceae )
- Mandevilla boliviensis (Mandevilla Summer Snow, White Dipladenia, Family: Apocynaceae )
- Mandevilla callista (Mandevilla, Family: Apocynaceae )
- Mandevilla sanderi, Dipladenia sanderi 'Red Riding Hood' (Mandevilla, Family: Apocynaceae )
- Mandevilla x amoena , Variety/cultivar: 'Alice du Pont' (Hybrid Mandevilla, Pink Chile Jasmine, Family: Apocynaceae )
- Mandragora autumnalis (Mandrake, Autumn mandrake, Devils Candle, Family: Solanaceae )
- Manettia luteorubra, Manettia bicolor, Manettia luteo-rubra, Manettia inflata (Firecracker Plant, Candy Corn Vine, Cigar Flower , Family: Rubiaceae )
- Manfreda undulata (False Agave, Chocolate Chips, Family: Asparagaceae )
- Mangifera caesia (Binjai, Malaysian Mango, Wani, Family: Anacardiaceae )
- Mangifera casturi (Kalimantan Mango, Kasturi, Family: Anacardiaceae )
- Mangifera foetida, Mangifera odorata, Mangifera oblongifolia (Kuwini, Horse Mango, Malmut, Limus, Machang, Bachang, Kuini, Family: Anacardiaceae )
- Mangifera indica (Mango, Family: Anacardiaceae )
- Mangifera indica Alampur Baneshan, Variety/cultivar: 'Alampur Baneshan' (Alampur Baneshan Mango, Family: Anacardiaceae )
- Mangifera indica Alphonso, Variety/cultivar: 'Alphonso' (Alphonso Mango)
- Mangifera indica Baileys Marvel, Variety/cultivar: 'Baileys Marvel' (Baileys Marvel Mango, Family: Anacardiaceae )
- Mangifera indica Bombay, Variety/cultivar: 'Bombay' (Bombay Mango, Family: Anacardiaceae )
- Mangifera indica Cac, Variety/cultivar: 'Cac' (Cac Mango, Family: Anacardiaceae )
- Mangifera indica Carabao, Variety/cultivar: 'Carabao' (Carabao Mango, Philippine Mango, Manila Mango, Family: Anacardiaceae )
- Mangifera indica Choc Anon, Variety/cultivar: 'Choc Anon' (Choc Anon Mango, Family: Anacardiaceae )
- Mangifera indica Coconut Cream, Variety/cultivar: 'Coconut Cream' (Coconut Cream Mango, Family: Anacardiaceae )
- Mangifera indica Cogshall, Variety/cultivar: 'Cogshall' (Cogshall Mango, Family: Anacardiaceae )
- Mangifera indica Cushman, Variety/cultivar: 'Cushman' (Cushman Mango)
- Mangifera indica Dot, Variety/cultivar: 'Dot' (Dot Mango, Family: Anacardiaceae )
- Mangifera indica Dunkan, Variety/cultivar: 'Dunkan' (Dunkan Mango, Family: Anacardiaceae )
- Mangifera indica Edward, Variety/cultivar: 'Edward' (Edward Mango, Family: Anacardiaceae )
- Mangifera indica Elephant, Variety/cultivar: Elephant (Elephant Mango, Family: Anacardiaceae )
- Mangifera indica Excellent, Variety/cultivar: 'Excellent' (Excellent Mango, Family: Anacardiaceae )
- Mangifera indica Florigon, Variety/cultivar: 'Florigon' (Florigon Mango, Family: Apocynaceae )
- Mangifera indica Fralan, Variety/cultivar: 'Fralan' (Fralan Mango, Family: Anacardiaceae )
- Mangifera indica Gao Lim Krong, Variety/cultivar: 'Gao Lim Krong' (Gao Lim Krong Mango, Cobra Tong Mango, Family: Anacardiaceae )
- Mangifera indica Glenn, Variety/cultivar: 'Glenn' (Glenn Mango, Family: Anacardiaceae )
- Mangifera indica Haden, Variety/cultivar: 'Haden' (Haden Mango)
- Mangifera indica Irwin, Variety/cultivar: 'Irwin' (Irwin Mango, Family: Anacardiaceae )
- Mangifera indica Jacqueline, Variety/cultivar: 'Jacqueline' (Jacqueline Mango, Family: Anacardiaceae )
- Mangifera indica Julie, Variety/cultivar: 'Julie' (Julie Mango, Family: Anacardiaceae )
- Mangifera indica Keitt, Variety/cultivar: 'Keitt' (Keitt Mango, Family: Anacardiaceae )
- Mangifera indica Kent, Variety/cultivar: 'Kent' (Kent Mango, Family: Anacardiaceae )
- Mangifera indica Lancetilla, Variety/cultivar: 'Lancetilla' (Lancetilla Mango, Family: Anacardiaceae )
- Mangifera indica Lemon Saigon, Variety/cultivar: 'Lemon Saigon' (Lemon Saigon Mango, Family: Anacardiaceae )
- Mangifera indica Maha Chinook, Variety/cultivar: 'Maha Chinook' (Maha Chinook Mango)
- Mangifera indica Mallika, Variety/cultivar: 'Mallika' (Mallika Mango, Family: Anacardiaceae )
- Mangifera indica Manilita, Variety/cultivar: 'Manilita' (Manilita Mango, Family: Anacardiaceae )
- Mangifera indica Mun Kun Si, Variety/cultivar: 'Mun Kun Si' (Mun Kun Si Mango, Family: Anacardiaceae )
- Mangifera indica Philippine, Variety/cultivar: 'Philippine' (Philippine Mango, Family: Anacardiaceae )
- Mangifera indica Pickering, Variety/cultivar: 'Pickering' (Pickering Mango, Family: Anacardiaceae )
- Mangifera indica Pim Seng Mun, Variety/cultivar: Pim Seng Mun Mango (Family: Anacardiaceae )
- Mangifera indica Rosigold, Variety/cultivar: 'Rosigold' (Rosigold Mango, Family: Anacardiaceae )
- Mangifera indica Shelly, Variety/cultivar: 'Shelly' (Shelly Mango, Family: Anacardiaceae )
- Mangifera indica Si Siam, Variety/cultivar: 'Si Siam' (Si Siam Mango, Family: Anacardiaceae )
- Mangifera indica Springfels, Variety/cultivar: 'Springfels' (Springfels Mango, Family: Anacardiaceae )
- Mangifera indica Super Alphonso, Variety/cultivar: 'Super Alphonso' (Super Alphonso Mango, Family: Anacardiaceae )
- Mangifera indica Tommy Atkins, Variety/cultivar: 'Tommy Atkins' (Tommy Atkins Mango , Family: Anacardiaceae )
- Mangifera indica Tong Pi Kahn, Variety/cultivar: 'Tong Pi Kahn' (Tong Pi Kahn Mango)
- Mangifera indica Valencia Pride, Variety/cultivar: 'Valencia Pride' (Valencia Pride Mango, Family: Anacardiaceae )
- Mangifera indica Vallenato, Variety/cultivar: 'Vallenato' (Vallenato Mango, Family: Anacardiaceae )
- Mangifera indica Van Dyke, Variety/cultivar: 'Van Dyke' (Van Dyke Mango, Family: Anacardiaceae )
- Mangifera indica Wise, Variety/cultivar: 'Wise' (Wise Mango)
- Mangifera ndica Carrie, Variety/cultivar: 'Carrie' (Carrie Mango, Family: Anacardiaceae )
- Mangifera ndica Ice Cream, Variety/cultivar: 'Ice Cream' (Ice Cream Mango, Family: Anacardiaceae )
- Manihot esculenta (Cassava, Manihot, Tapioca, Manioc, Family: Euphorbiaceae )
- Manihot glaziovii (Tree Cassava, Ceara Rubber Tree , Family: Euphorbiaceae )
- Manilkara bidentata, Mimusops balata, Achras balata (Ausubo, Balata, Mimusops, Autranella, Balata Rouge, Assapookoo, Family: Sapotaceae )
- Manilkara kauki, Mimusops kauki (Kayu Sawo, Family: Sapotaceae )
- Manilkara zapota, Manilkara achras, Achras sapota (Sapodilla, Ciku, Naseberry, Nispero, Sapote, Brown Sugar Fruit, Family: Sapotaceae )
- Maniltoa browneoides, Maniltoa gemmipara (Hankerchief Tree, New Guinea Ghost Tree, Manitoa , Family: Fabaceae )
- Maniltoa grandiflora, Maniltoa schefferi, Maniltoa hollrungii (Dove Tree, Handkerchief Tree, Ghost Tree, New Guinea Ghost Tree, Family: Fabaceae )
- Maniltoa lenticellata (Silk Handkerchief Tree, Cascading Bean, Native Handkerchief Tree, Family: Fabaceae )
- Maniltoa megalocephala (Handkerchief Tree, Family: Fabaceae )
- Maniltoa sp. (Dove Tree, Handkerchief Tree, Ghost Tree, Family: Fabaceae )
- Mansoa alliacea, Pachyptera hymenaea, Pseudocalymma alliacea, Cydista aequinoctialis (Garlic Vine, Cipo de Alho, Equinox Vine, Cydista, Family: Bignoniaceae )
- Mansoa verrucifera, Bignonia verrucifera, Onohualcoa verrucifera (Mansoa, Family: Bignoniaceae )
- Maranta arundinacea (West Indian Arrowroot, Obedience Plant, Family: Marantaceae )
- Maranta cristata, Maranta bicolor (Prayer Plant, Family: Marantaceae )
- Maranta leuconeura (Prayer Plant, Family: Marantaceae )
- Marantochloa mannii, Calathea mannii (Marantochloa, Family: Marantaceae )
- Marattia attenuata (Potato Fern, Family: Marattiaceae )
- Marcgravia umbellata (Monkey Paws, Family: Marcgraviaceae )
- Mariosousa willardiana, Acacia willardiana (Palo Blanco, Willard Acacia, White Barked Acacia, Family: Fabaceae )
- Markhamia lutea (Gold Markhamia, Yellow Bell Bean Tree , Family: Bignoniaceae )
- Markhamia sp. (Bell Bean Tree, Family: Bignoniaceae )
- Markhamia stipulata, Spathodea stipulata (Khae, Family: Bignoniaceae )
- Markhamia zanzibarica, Markhamia acuminata (Bell Bean Tree, Maroon Bell-bean, Family: Bignoniaceae )
- Marojejya darianii (Big Leaf Palm)
- Marsilea hirsuta (Waterclover, Family: Marsileaceae )
- Marsilea mutica (Waterclover, Family: Marsileaceae )
- Marsilea quadrifolia (Four Leaf Clover, European Waterclover, Aquatic Fern, Family: Marsileaceae )
- Marsilea strigosa (Waterclover, Family: Marsileaceae )
- Mascagnia lilacina (Lilac Orchid Vine, Family: Malpighiaceae )
- Mascagnia macroptera (Butterfly pea vine, Yellow Orchid vine, Gallinita, Family: Malpighiaceae )
- Mascarenhasia arborescens (False Rubberwood, Family: Apocynaceae )
- Masdevallia sp. (Masdevallia, Family: Orchidaceae )
- Matelea cyclophylla, Gonolobus cyclophyllus (Matelea, Family: Asclepiadaceae )
- Matricaria recutita, Matricaria chamomilla (Camomile, German Chamomile, Family: Asteraceae )
- Matucana madisoniorum, Submatucana madisoniorum (Matucana, Family: Cactaceae )
- Mauritia flexuosa (Moriche Palm, Canangucho, Family: Arecaceae / Palmae )
- Mauritiella aculeata (Rio Negro Palm, Morichito Palm, Family: Arecaceae / Palmae )
- Maxillaria ecuadorensis (Ecuadorian Maxillaria, Family: Orchidaceae )
- Maxillaria lepidota (Scaled Maxillaria, Family: Orchidaceae )
- Maxillaria porrecta, Maxillaria brunnea (Tiger Orchid, Extended Maxillaria, Family: Orchidaceae )
- Maytenus ilicifolia, Celastrus ilicinus (Espinheira Santa, Family: Celastraceae )
- Maytenus senegalensis (Confetti Tree, Family: Celastraceae )
- Maytenus sp. (Maytenus, Family: Celastraceae )
- Meconopsis sp. (Himalayan Blue Poppy, Family: Papaveraceae )
- Medinilla alata (Medinilla, Family: Melastomataceae )
- Medinilla coccinea, Variety/cultivar: 'Gregori Hambali' (Purple Medinilla , Family: Melastomataceae )
- Medinilla cumingii (Chandelier Tree, Showy Melastome, Showy Medinilla, Malaysian Orchid, Family: Melastomataceae )
- Medinilla ericarum (Medinilla, Family: Melastomataceae )
- Medinilla magnifica (Showy Melastome, Rose Grape, Family: Melastomataceae )
- Medinilla miniata (Crimson Medinilla, Family: Melastomataceae )
- Medinilla pendula (Baladu, Family: Melastomataceae )
- Medinilla scortechinii (Orange medinilla, Orange Spike, Family: Melastomataceae )
- Medinilla sieboldiana (Siebold's Medinilla, Family: Melastomataceae )
- Medinilla sp. (Medinilla, Family: Melastomataceae )
- Medinilla speciosa (Showy melastome, Family: Melastomataceae )
- Medinilla succulenta, Medinilla crassifolia, Melastoma succulentum (Succulent-leaved Medinilla, Family: Melastomataceae )
- Megaskepasma erythrochlamys (Brazilian Plume, Brazilian Red Cloak, Family: Acanthaceae )
- Melaleuca alternifolia (Tea Tree, Snow-in-Summer, Family: Myrtaceae )
- Melaleuca armillaris (Bracelet Honey Myrtle, Family: Myrtaceae )
- Melaleuca cajuputi, Melaleuca leucadendron (Cajuput Tree, Swamp Tea-tree, Family: Myrtaceae )
- Melaleuca citrina, Callistemon citrinus, Callistemon lanceolatus (Common Red Bottlebrush, Crimson Bottlebrush, Lemon Bottlebrush, Family: Myrtaceae )
- Melaleuca cuticularis, Melaleuca abietina (Saltwater Paperbark, Family: Myrtaceae )
- Melaleuca decussata (Cross-leaved Honey-myrtle, Totem Poles, Family: Myrtaceae )
- Melaleuca elliptica (Granite Bottlebrush, Granite Honey Myrtle, Family: Myrtaceae )
- Melaleuca ericifolia (Swamp Paperbark, Australian Rosalina, Family: Myrtaceae )
- Melaleuca huegelii (Chenille Honey-myrtle, Family: Myrtaceae )
- Melaleuca quinquenervia (Paperbark, Honey Myrtle, Punk Tree, Family: Myrtaceae )
- Melaleuca rugulosa, Callistemon macropunctatus, Callistemon rugulosus (Scarlet Bottlebrush, Family: Myrtaceae )
- Melaleuca sp. (Melaleuca, Family: Myrtaceae )
- Melastoma malabathricum, Melastoma polyanthum, Melastoma sanguineum (Pink Tibouchina, Straits Rhododendron, Chinese Wild Peony, Indian rhododendron, Lasiandra, Pink Glory Bush, Family: Melastomataceae )
- Melia azedarach (Chinaberry Tree, Indian Lilac, Pride of India, White Cedar, Family: Meliaceae )
- Melianthus comosus (Honey Flower, Family: Francoaceae )
- Melianthus major (Giant Honey Flower, Family: Francoaceae )
- Melianthus sp (Honey Flower , Family: Francoaceae )
- Melicoccus bijugatus, Melicocca bijuga (Spanish Lime, Genip, Mamoncillo, Quenepa, Limoncillo, Family: Sapindaceae )
- Melicoccus oliviformis, Talisia oliviformis (Cotoperis, Yellow Genip, Cotopriz, Guayo, Family: Sapindaceae )
- Melicope denhamii, Euodia ridleyi (Evodia, Family: Rutaceae )
- Melicope elleryana, Euodia elleryana (Pink Evodia, Pink Princess, Family: Rutaceae )
- Melissa officinalis (Lemon Balm, Family: Lamiaceae )
- Melochia parvifolia (Melochia, Family: Malvaceae )
- Melodorum fruticosum (White Cheesewood, Family: Annonaceae )
- Melothria pendula, Melothria nigra, Melothria nashii, Melothria microcarpa, Melothria guadalupensis, Melothria fluminensis, Melothria edulis (Creeping Cucumber, Cute Cuke, Guadeloupe Cucumber, Wild Cucumber, Family: Cucurbitaceae )
- Memecylon caeruleum (Blue Strawberry Flowers, Family: Melastomataceae )
- Memecylon edule, Memecylon globiferum, Memecylon pyrifolium (Ironwood Tree, Delek Air, Family: Melastomataceae )
- Memecylon ovatum, Memecylon edule var. ovatum (Ironwood Tree, Phlong Kin Luuk, Delek Air, Family: Melastomataceae )
- Memecylon pauciflorum (Memecylon, Family: Melastomataceae )
- Memecylon umbellatum (Ironwood, Anjani , Family: Melastomataceae )
- Menispermum dauricum (Menispermum, Moonseed, Family: Menispermaceae )
- Mentha sp. (Mint, Family: Lamiaceae )
- Meriania nobilis (Meriania, Amaraboyo, Family: Melastomataceae )
- Merremia gemella, Convolvulus gemellus, Ipomoea gemella (Woodrose, Family: Convolvulaceae )
- Merremia tuberosa, Ipomoea tuberosa, Operculina tuberosa (Large Woodrose, Hawaiian Woodrose, Spanish Arborvine, Family: Convolvulaceae )
- Merremia umbellata, Convolvulus umbellatus, Ipomoea polyanthes (Yellow Merremia, Yellow Wood Rose, Family: Convolvulaceae )
- Meryta sinclairii (Puka, Family: Araliaceae )
- Meryta sp. (Puka, Family: Araliaceae )
- Mesechites trifidus, Echites trifidus (Mesechites, Family: Apocynaceae )
- Mesembryanthemum sp. (Ice Plant, Livingstone Daisy, Family: Aizoaceae )
- Mespilus germanica (Medlar, Family: Rosaceae )
- Mestoklema tuberosum (Donkey Fig, Family: Aizoaceae )
- Mesua ferrea (Ironwood, Cobra's Saffron, Ceylon Ironwood, Indian Rose Chestnut, Penaga Lili, Family: Calophyllaceae )
- Mesua grandis, Kayea grandis (Penaga Bayan, Family: Calophyllaceae )
- Metalasia sp. (White Bristle Bush, Family: Asteraceae )
- Metarungia longistrobus (Sunbird Bush, Sonbekkiebos , Family: Acanthaceae )
- Metrosideros angustifolia, Mearnsia angustifolia (Lance-leaved Myrtle, Cape Metrosideros, Family: Myrtaceae )
- Metrosideros collina, Metrosideros polymorpha (Sping fire, Ohia Lehua (Hawaii), Vuga (Fiji Islands), Anume (Samoa), Family: Myrtaceae )
- Metrosideros sp. (Metrosideros, Family: Myrtaceae )
- Miconia calvescens (Miconia, Velvet Tree, Family: Melastomataceae )
- Miconia macrodon (Miconia, Velvet Tree, Family: Melastomataceae )
- Miconia pyramidalis (Velvet Tree, Family: Melastomataceae )
- Miconia sp. (Miconia, Velvet Tree, Family: Melastomataceae )
- Microdesmis keayana (Sonoufoko, Family: Pandaceae )
- Microgramma piloselloides, Polypodium piloselloides (Hairy Snakefern, Family: Polypodiaceae )
- Micromeria fruticosa (White Micromeria, Little Mint, Wild Hyssop, White Zota, Family: Lamiaceae )
- Microsorum musifolium (Alligator Fern, Crocodile Fern, Family: Polypodiaceae )
- Millettia brandisiana (Thit pagan, Family: Fabaceae )
- Millettia reticulata (Evergreen Wisteria, Summer Wisteria, Family: Fabaceae )
- Millettia taiwanensis (Chinese Evergreen Wisteria, Tropical Wisteria, Family: Fabaceae )
- Millingtonia hortensis (Tree Jasmine, Indian Cork Tree, Maramalli, Tamil, Akash neem, Family: Bignoniaceae )
- Miltonia sp. (Miltonia, Family: Orchidaceae )
- Miltoniopsis sp. (Miltoniopsis, Family: Orchidaceae )
- Mimosa albida (Mimosa, Family: Fabaceae )
- Mimosa borealis (Fragrant Mimosa, Pink Mimosa, Family: Fabaceae )
- Mimosa dysocarpa (Velvet Pod Mimosa, Gatuno, Velvetpod Catclaw, Family: Fabaceae )
- Mimosa pigra (Giant Sensitive Tree, Family: Fabaceae )
- Mimosa pudica, Mimosa strigillosa (Sensitive Plant, Family: Fabaceae )
- Mimulus sp. (Monkey Flower, Family: Phrymaceae )
- Mimusops coriacea (Pomme Jacquot, Monkey's Apple, Family: Sapotaceae )
- Mimusops elengi (Spanish Cherry, Bakul Tree, Family: Sapotaceae )
- Mirabilis jalapa, Mirabilis lindheimeri, Mirabilis dichotoma, Mirabilis odorata (Four o'clock plant, Clavillia, Jalap, Maravilla, Bonina, Family: Nyctaginaceae )
- Miscanthus sinensis (Chinese Silver Grass, Zebra Grass, Porcupine Grass, Family: Poaceae )
- Mitragyna speciosa (Kratom, Family: Rubiaceae )
- Mitrephora alba (Mitrephora, Family: Annonaceae )
- Mitrephora maingayi (Mitrephora, Family: Annonaceae )
- Mitrephora teysmannii (Maingay Mitrephora, Family: Annonaceae )
- Mitrephora vandaeflora (Mitrephora, Family: Annonaceae )
- Mitrephora wangii (Mitrephora, Family: Annonaceae )
- Mitrephora winitii (Maha phom, Family: Annonaceae )
- Mitriostigma axillare, Gardenia citriodora (African Gardenia, Family: Rubiaceae )
- Mitriostigma sp. (African gardenia, Family: Rubiaceae )
- Molineria sp., Curculigo sp. (Palm Grass, Whale Back, Snout Lily, Pleated Skirt, Family: Hypoxidaceae )
- Momordica balsamina (Balsam Apple, Family: Cucurbitaceae )
- Momordica charantia (Bitter Melon, Balsam Apple, Balsam Pear, Karela, Family: Cucurbitaceae )
- Momordica cochinchinensis, Momordica macrophylla (Gac fruit, Spiny bitter-cucumber, Chinese bitter-cucumber, Family: Cucurbitaceae )
- Momordica rostrata (Momordica, Family: Cucurbitaceae )
- Monadenium guentheri (Monadenium, Family: Euphorbiaceae )
- Monadenium rubellum, Monadenium montanum var. rubellum (Red Monadenium, Family: Euphorbiaceae )
- Monadenium sp. (Monadenium, Family: Euphorbiaceae )
- Monanthotaxis caffra (Monanthotaxis, Family: Annonaceae )
- Monarda sp. (Bee Balm, Horsemint, Oswego Tea, Bergamot, Family: Lamiaceae )
- Mondia whitei (African Viagra Vine, Mukombera, White's Ginger, Gondolosi, Family: Apocynaceae )
- Monnina sp. (Monnina, Family: Polygalaceae )
- Monochaetum lineatum (Monochaetum, Family: Melastomataceae )
- Monocostus uniflorus, Costus uniflorus (Lemon ginger, Single Flower Ginger, Yellow Spiral Ginger, Family: Costaceae )
- Monodora myristica (Calabash Nutmeg, Jamaica Nutmeg, Family: Annonaceae )
- Monodora sp. (Monodora, Calabash Nutmeg, Family: Annonaceae )
- Monolena sp. (Monolena , Family: Melastomataceae )
- Monoon hookerianum, Polyalthia hookeriana (Monoon, Family: Annonaceae )
- Monoon sclerophyllum, Polyalthia sclerophylla (Polyalthia, Family: Annonaceae )
- Monopyle macrocarpa (Monopyle, Family: Gesneriaceae )
- Monsonia patersonii, Sarcocaulon patersonii (Bushman's Candle , Family: Geraniaceae )
- Monsonia sp. (Monsonia, Family: Geraniaceae )
- Monstera acuminata, Monstera karwinskyi (Monstera, Family: Araceae )
- Monstera adansonii, Monstera friedrichsthalii (Swiss Cheese Plant, Family: Araceae )
- Monstera aureopinnata (Regal Ceriman, Family: Araceae )
- Monstera deliciosa, Philodendron pertusum (Swiss Cheese Plant, Fruit Salad Plant, Ceriman, Family: Araceae )
- Monstera dubia (Penanola, Shingle Plant, Family: Araceae )
- Monstera karstenianum (Monstera Peru, Family: Araceae )
- Monstera obliqua (Monstera, Window Leaf, Swiss Cheese Philodendron, Family: Araceae )
- Monstera pinnatipartita (Nido Nodo, Family: Araceae )
- Monstera siltepecana (Swiss Cheese Plant, Family: Araceae )
- Monstera tenuis (Monstera, Family: Araceae )
- Monstera xanthospatha (Holly Molly, Family: Araceae )
- Montanoa atriplicifolia (Daisy Vine, Daisy Tree, Family: Asteraceae )
- Montanoa bipinnatifida (Tree Chrysanthemum, Pom Pom Tree, Family: Asteraceae )
- Montanoa grandiflora (Daisy Tree, Family: Asteraceae )
- Montanoa hibiscifolia (Anzac Flower, Montanoa, Tree Daisy , Family: Asteraceae )
- Montanoa leucantha, Montanoa arborescens, Montanoa guatemalensis (Tree Chrysanthemum, Tree Daisy, Family: Asteraceae )
- Montrichardia arborescens, Arum arborescens (Mocou Mocou, Family: Araceae )
- Morinda citrifolia (Noni, Great Morinda, Indian Mulberry, Mengkudu (Malay), Nonu/Nono (Pacific Islands), Family: Rubiaceae )
- Morinda latibractea (Kesengelengel, Family: Rubiaceae )
- Morinda reticulata (Mapoon Bush, Yellow-dye, Family: Rubiaceae )
- Morinda royoc (Mouse's Pineapple, Cheese Shrub, Wild Noni, Redgal, Strong back herb, Goat corn, Yellow ginger, Yellowroot, Yaw weed, Yawweed, Family: Rubiaceae )
- Moringa drouhardii (Malagasy Moringa, Family: Moringaceae )
- Moringa hildebrandtii (Moringa, Family: Moringaceae )
- Moringa oleifera, Moringa pterygosperma (Horseradish tree, Ben Oil Tree, Coatli, Drumstick tree, Bridal veil, Miracle Tree, Family: Moringaceae )
- Moringa ovalifolia (Phantom Tree, Family: Moringaceae )
- Moringa peregrina (Drumstick tree, Family: Moringaceae )
- Moringa sp. (Moringa, Family: Moringaceae )
- Moringa stenopetala (Horseradish tree, Haleko, Family: Moringaceae )
- Morus macroura, Morus alba var. laevigata (King White Mulberry, Shahtoot Mulberry, Tibetan Mulberry, Long Mulberry, Family: Moraceae )
- Morus sp. (Mulberry, Family: Moraceae )
- Morus sp. (Mulberry, Family: Moraceae )
- Moullava spicata, Wagatea spicata (Candy Corn Plant, Family: Fabaceae )
- Mucuna benettii, Mucuna bennettii, Mucuna warburgii, Mucuna albertisii, Mucuna novoguineensis (Red Jade Vine, New Guinea Creeper, Family: Fabaceae )
- Mucuna gigantea (White Jade Vine, Hamburger Bean, Seabean, Burny Bean , Family: Fabaceae )
- Mucuna nigricans (Black Jade Vine, Family: Fabaceae )
- Mucuna pruriens, Carpopogon pruriens, Dolichos pruriens, Mucuna aterrima (Nescafe, Cowitch, Velvet Bean, Purple Jade Vine, Family: Fabaceae )
- Mucuna sempervirens (Family: Fabaceae )
- Mucuna sloanei (Yellow Jade Vine, Horse Eye, Brown Hamburger Bean, Ojo de Buey, True Sea-Bean, Family: Fabaceae )
- Muehlenbeckia complexa (Maidenhair Vine, Family: Polygonaceae )
- Muehlenbeckia platyclada, Homalocladium platycladum (Centipede Plant, Tapeworm Plant, Ribbonbush, Family: Polygonaceae )
- Muehlenbeckia sagittifolia, Coccoloba sagittifolia (Zarzaparrila colorada, Family: Polygonaceae )
- Mundulea sericea, Dalbergia sericea, Mundulea suberosa (Silver Bush, Cork Bush, Sheesham Tree, Family: Fabaceae )
- Muntingia calabura (Strawberry tree, Jam tree, Jamaican / Singapore / Panama cherry, Cotton Candy Berry, Calabura, Manzanil, Family: Elaeocarpaceae )
- Muraltia spinosa, Nylandtia spinosa, Mundia spinosa (Tortoise Berry, Skilpadbessie, Family: Polygalaceae )
- Murdannia graminea (Grass Lily, Family: Commelinaceae )
- Murdannia sp. (Murdannia, Family: Commelinaceae )
- Murraya koenigii (Curry leaf, Curry Patta, Family: Rutaceae )
- Murraya paniculata, Variety/cultivar: 'Minima' (Miniature Orange Jasmine, Murraya Mini, Chinese Cosmetic Boxwood, Family: Rutaceae )
- Murraya paniculata (Orange Jasmine, Orange Jessamine, Mock Orange, Lakeview Jasmine, Chinese Cosmetic Boxwood, Family: Rutaceae )
- Musa acuminata (Banana, Cavendish Banana, Family: Musaceae )
- Musa coccinea (Scarlet Banana, Red-flowering Banana, Family: Musaceae )
- Musa haekkinenii (Wild Red Banana, Family: Musaceae )
- Musa sp. (Banana, Bananier Nain, Canbur, Curro, Plantain, Family: Musaceae )
- Musa sp., Variety/cultivar: ornamental group (Ornamental bananas, Family: Musaceae )
- Musa sp., Variety/cultivar: 'Truly Tiny' (Dwarf Banana 'Truly Tiny', Family: Musaceae )
- Musa sumatrana, Musa acuminata ssp. zebrina (Blood Leaf Banana, Family: Musaceae )
- Musa velutina (Hairy Banana, Pink Banana, Family: Musaceae )
- Musa x paradisiaca Ae Ae (Royal Variegated Banana, Variegated Hawaiian Banana, Sacred Banana, Ae Ae Hybrid Plantain Banana, Family: Musaceae )
- Mussaenda erythrophylla (Ashanti Blood, Red Flag Bush, Tropical Dogwood , Family: Rubiaceae )
- Mussaenda frondosa (Schizomussaenda, Family: Rubiaceae )
- Mussaenda philippica , Variety/cultivar: 'Queen Sirikit' (Queen Sirikit Mussaenda, Peach Mussaenda, Family: Rubiaceae )
- Mussaenda philippica , Variety/cultivar: 'Dona Aurora' (Mussaenda, Family: Rubiaceae )
- Mussaenda philippica (Mussaenda, Family: Rubiaceae )
- Mussaenda philippica x flava, Variety/cultivar: 'Marmelada' (Calcutta Sunset, Marmelade, Family: Rubiaceae )
- Mussaenda sp. (Mussaenda, Family: Rubiaceae )
- Mussaenda sp., Variety/cultivar: 'Dona Evangelina' (Mussaenda, Family: Rubiaceae )
- Mutisia acuminata (Mutisia, Chinchircuma , Family: Asteraceae )
- Myoporum sp. (Ngaio, Family: Scrophulariaceae )
- Myrceugenia glaucescens (Murta, Family: Myrtaceae )
- Myrcia tenuifolia, Aulomyrcia tenuifolia (Myrcia, Family: Myrtaceae )
- Myrcianthes fragrans (Simpson's Stopper, Twinberry, Family: Myrtaceae )
- Myrciaria cauliflora, Plinia cauliflora, Eugenia cauliflora (Jaboticaba, Duhat, Family: Myrtaceae )
- Myrciaria floribunda, Eugenia floribunda (Guavaberry, Rumberry, Family: Myrtaceae )
- Myrciaria glomerata, Plinia glomerata, Myrciaria glazioviana, Eugenia cabelluda, Eugenia tomentosa, Paramyrciaria glomerata (Cabelluda, Yellow Jaboticaba, Cabeludinha, Family: Myrtaceae )
- Myrciaria vexator (False Jaboticaba, Vexator, Blue Grape, Family: Myrtaceae )
- Myrica cerifera (Southern Wax myrtle, Southern bayberry, candleberry, bayberry tree, and tallow shrub, Family: Myricaceae )
- Myrica pensylvanica (Northern Bayberry , Family: Myricaceae )
- Myrica quercifolia (Oak-leaved Myrica, Waxberry Bush, Family: Myricaceae )
- Myriocarpa longipes (Chichicaste, Family: Urticaceae )
- Myriocarpa stipitata (Family: Urticaceae )
- Myristica fragrans (Nutmeg, Family: Myristicaceae )
- Myrmecodia sp. (Ant Plant, Family: Rubiaceae )
- Myrmeconauclea strigosa (Ant Plant, Family: Rubiaceae )
- Myrmecophila tibicinis, Schomburgkia tibicinis (The Trumpet Player's Schomburgkia, Family: Orchidaceae )
- Myrrhinium loranthoides, Myrrhinium rubriflorum, Tetrastemon loranthoides, Myrrhinium atropurpureum (Palo de Fierro, Socara, Iron Wood, Family: Myrtaceae )
- Myrsine africana (Cape Myrtle, African Boxwood, Family: Primulaceae )
- Myrsine cubana, Rapanea punctata (Myrsine, Colicwood , Family: Primulaceae )
- Myrtillocactus geometrizans (Bilberry Cactus, Whortleberry Cactus, Blue Candle, Family: Cactaceae )
- Myrtus communis (True Myrtle, Family: Myrtaceae )
- Nageia nagi, Podocarpus nagi, Myrica nagi (Asian Bayberry, Broadleaf Podocarpus, Family: Podocarpaceae )
- Nandina domestica (Heavenly bamboo, Family: Berberidaceae )
- Nannorrhops ritchiana (Mazari Palm, Family: Arecaceae / Palmae )
- Napoleonaea imperialis (Napoleons Hat, Napoleana, Napoleona, Butterscotch Flower, Family: Lecythidaceae )
- Napoleonaea vogelii (Napoleons Hat, Family: Lecythidaceae )
- Narcissus sp. (Daffodil, Family: Amaryllidaceae )
- Naringi crenulata, Hesperethusa crenulata, Limonia crenulata (Nuramaram, Family: Rutaceae )
- Nashia inaguensis (Moujean Tea, Bahamas Berry, Pineapple Verbena, Family: Verbenaceae )
- Nauclea orientalis (Nauclea, Family: Rubiaceae )
- Nautilocalyx adenosiphon (Nautilus Plant, Family: Gesneriaceae )
- Nautilocalyx ecuadoranus (Nautilus plant, Family: Gesneriaceae )
- Nautilocalyx lynchii (Nautilus plant, Family: Gesneriaceae )
- Nectaroscordum siculum, Allium siculum, (Ornamental Onion, Mediterranean Bells, Family: Amaryllidaceae )
- Neea psychotrioides (Neea, Saltwood, Pigeon Plum, Hoja de Salat, Family: Nyctaginaceae )
- Nelumbo nucifera (Asiatic Lotus, Family: Nelumbonaceae )
- Nematanthus sp. (Gold Fish, Guppy Plant, Family: Gesneriaceae )
- Nematanthus sp., Variety/cultivar: 'Bijou' (Gold Fish, Guppy Plant, Family: Gesneriaceae )
- Nemesia fruticans, Nemesia caerulea (Mauve Nemesia, Wildeleeubekkie, Family: Scrophulariaceae )
- Nemesia sp. (Nemesia, Family: Scrophulariaceae )
- Nemesia strumosa (Nemesia, Family: Scrophulariaceae )
- Neobakeria angustifolia, Massonia angustifolia, Daubenya marginata (Massonia, Family: Asparagaceae )
- Neobenthamia gracilis (Neobenthamia, Family: Orchidaceae )
- Neobuchia paulinae (Mapou Nlanc, Family: Malvaceae )
- Neolamarckia cadamba, Anthocephalus cadamba, Anthocephalus chinensis (Cadam, Kadam, Family: Rubiaceae )
- Neolepisorus truncatus (Family: Polypodiaceae )
- Neolitsea sericea (Neolitsea, Family: Lauraceae )
- Neomarica caerulea (Walking Iris, Twelve apostles, Apostle Plant, Iris Regina , Family: Iridaceae )
- Neomarica gracilis (Walking Iris, Family: Iridaceae )
- Neomarica longifolia, Trimezia martinicensis (Yellow Walking Iris, Apostle Plant, Martinique trimezia, Family: Iridaceae )
- Neonauclea endertii (Neonauclea, Family: Rubiaceae )
- Neoregelia sp. (Bromeliad, Family: Bromeliaceae )
- Nepenthes alata, Nepenthes graciliflora (Winged Nepenthes, Pitcher Plant, Family: Nepenthaceae )
- Nepenthes sanguinea (Highland Nepenthes, Intermediate Nepenthes, Lowland Nepenthes, Family: Nepenthaceae )
- Nepenthes sp. (Winged Nepenthes, Pitcher Plant, Monkey Cups, Family: Nepenthaceae )
- Nepenthes sp., Variety/cultivar: 'Gaya' (Pitcher Plant 'Gaya', Family: Nepenthaceae )
- Nepenthes sp., Variety/cultivar: 'Miranda' (Nepenthes 'Miranda', Family: Nepenthaceae )
- Nepeta cataria (Catnip , Family: Lamiaceae )
- Nepeta curviflora (Syrian Catnip, Family: Lamiaceae )
- Nepeta grandiflora (Caucasus Catnip, Family: Lamiaceae )
- Nepeta racemosa (Nepeta, Catmint , Family: Lamiaceae )
- Nephelium lappaceum, Euphoria nephelium, Dimocarpus crinita (Rambutan, Family: Sapindaceae )
- Nephelium rambutan-ake, Nephelium philippense, Nephelium mutabile, Nephelium intermedium, Litchi ramboutan-ake (Pulasan, Bulala, Ngoh-khonsan, Ramboutan-ake, Family: Sapindaceae )
- Nephrolepis duffii, Nephrolepis cordifolia Duffii (Pigmy Swordfern, Little-leaved Swordfern, Fishbone Fern, Lemon Button Fern , Family: Nephrolepidaceae )
- Nephrolepis falcata , Variety/cultivar: 'Furcans' (Fishtail Swordfern , Family: Nephrolepidaceae )
- Nephrolepis sp. (Sword Fern, Family: Nephrolepidaceae )
- Nephrosperma vanhoutteanum (Latanier Mille-Pattes, Family: Arecaceae / Palmae )
- Nephthytis afzelii (Nephthytis , Family: Araceae )
- Nepsera aquatica (Altea, Altea Amarilla, Family: Melastomataceae )
- Neptunia oleracea (Water Mimosa, Family: Fabaceae )
- Nerine sp. (Jersey Lily, Guernsey Lily, Spider Lily, Family: Amaryllidaceae )
- Nerium oleander (Oleander, Family: Apocynaceae )
- Nertera granadensis, Nertera depressa (Coral Moss, Bead Plant, Family: Rubiaceae )
- Newbouldia laevis (African Border Tree, Akoko Tree, Newboldia, Family: Bignoniaceae )
- Nicandra physalodes (Shoo-Fly Plant, Family: Solanaceae )
- Nicotiana sp. (Flowering tobacco, Family: Solanaceae )
- Nidularium amazonicum, Wittrockia amazonica, Wittrockia smithii (Nidularium, Family: Bromeliaceae )
- Nidularium innocentii (Nidularium, Family: Bromeliaceae )
- Nierembergia sp. (Cupflower, Family: Solanaceae )
- Nigella sp. (Roman Coriander, Black Cumin, Nutmeg Flower, Love-in-a-mist, Family: Ranunculaceae )
- Niphidium crassifolium (Graceful Fern, Family: Polypodiaceae )
- Nivenia binata (Nivenia, Family: Iridaceae )
- Nolina bigelovii (Beargrass, Family: Asparagaceae )
- Nolina longifolia, Dasylirion longifolium, Beaucarnea longifolia (Mexican Grass Tree , Family: Asparagaceae )
- Norantea guianensis (Red Hot Poker Vine, Family: Marcgraviaceae )
- Noronhia emarginata (Madagascar olive, Family: Oleaceae )
- Notopleura uliginosa, Psychotria uliginosa (Family: Rubiaceae )
- Nuxia floribunda (Forest Elder, Forest Nuxia, Wild Elder, Family: Loganiaceae )
- Nuxia oppositifolia (Wild Elder, Family: Loganiaceae )
- Nyctanthes arbor-tristis (Parijat, Arbor Tristis, Sad tree, Night Jasmine, Harsingar, Njaval, Family: Oleaceae )
- Nymania capensis (Chinese Lantern, Klapper, Family: Meliaceae )
- Nymphaea sp. (Water Lily, Family: Nymphaeaceae )
- Nymphoides peltata (Yellow Floating Heart, Family: Menyanthaceae )
- Nymphoides sp. (Floating hearts, Family: Menyanthaceae )
- Obetia ficifolia, Urtica ficifolia (Bois d'ortie, Family: Urticaceae )
- Ochna integerrima, Ochna thomasiana (Vietnamese Mickey Mouse Plant, Hoa Mai, Mai Vang, Hoang Mai, Family: Ochnaceae )
- Ochna serrulata, Ochna multiflora, Ochna atropurpurea (Mickey Mouse Plant, Bird's Eye Bush, Small-leaved plane, Carnival bush, Family: Ochnaceae )
- Ochna sp. (Carnival bush, Family: Ochnaceae )
- Ochroma pyramidale, Ochroma lagopus (Balsa , Family: Malvaceae )
- Ochrosia elliptica (Bloodhorn, Mangrove Ochrosia, Family: Apocynaceae )
- Ochrosia sp. (Ochrosia, Family: Apocynaceae )
- Ocimum americanum, Ocimum canum (American Basil, Lemon basil, Hoary Basil, Hairy Basil, Family: Lamiaceae )
- Ocimum basilicum (Basilie, Basil, Sweet Basil, Holy Basil, Tulsi Plant, Family: Lamiaceae )
- Ocimum carnosum (Pepper Basil, Family: Lamiaceae )
- Ocimum tenuiflorum, Ocimum sanctum (Holy basil, Thai Basil, Holy Basil, Tulsi Plant, Family: Lamiaceae )
- Octamyrtus pleiopetala (Octamyrtus, Kibit, Family: Myrtaceae )
- Odontadenia macrantha, Odontadenia grandiflora, Odontadenia speciosa, Echites macrantha (Odontadenia, Family: Apocynaceae )
- Odontoglossum sp. (Odontoglossum, Family: Orchidaceae )
- Odontonema cuspidatum, Odontonema strictum (Fire Spike, Family: Acanthaceae )
- Oeceoclades maculata, Angraecum monophyllum (Monk Orchid, African Spotted Orchid, Family: Orchidaceae )
- Oenanthe javanica (Water Celery, Water Parsley, Water Dropwort , Family: Apiaceae / Umbelliferae )
- Oenocarpus bataua, Jessenia polycarpa (Patawa, Sehe, Hungurahua, Ungurahui, Family: Arecaceae / Palmae )
- Oenothera drummondii, Oenothera littoralis (Beach Evening Primrose, Family: Onagraceae )
- Oenothera lindheimeri, Gaura lindheimeri (White Butterfly, Whirling Butterfly, Family: Onagraceae )
- Oenothera macrocarpa (Missouri Evening Primrose, Family: Onagraceae )
- Oenothera sp. (Evening Primrose, Suncups, Sundrops, Family: Onagraceae )
- Oenothera speciosa (Pink Evening Primrose, Pinkladies, Family: Onagraceae )
- Olax sp. (Olax, Family: Olacaceae )
- Oldenburgia grandis (Mountain Hunchback, Rabbit's Ears, Lamb's Ears, Donkey's Ears, Family: Asteraceae )
- Olea europea (Olive, Family: Oleaceae )
- Olearia phlogopappa (Dusty Daisy Bush, Family: Asteraceae )
- Omphalocarpum sp. (Navel Fruit, Family: Sapotaceae )
- Oncidium sp. (Oncidium Orchid, Family: Orchidaceae )
- Oncoba spinosa (Fried Egg Tree, Snuff-box Tree, Family: Salicaceae )
- Operculicarya decaryi (Jabily, Elephant Tree, Family: Anacardiaceae )
- Operculicarya pachypus (Urs Eggli, Family: Anacardiaceae )
- Ophiopogon planiscapus (Black Mondo grass, Black Lilyturf, Snakebeard, Family: Asparagaceae )
- Oplismenus burmannii (Burmann's basketgrass, Family: Poaceae )
- Opuntia cochenillifera, Nopalea cochenillifera, Opuntia nuda (Cochineal Cactus, Warm hand, Velvet Opuntia, Nopales Opuntia, Nopal Cactus, Family: Cactaceae )
- Opuntia macrocentra, Opuntia santa-rita, Opuntia violacea var. santa-rita (Santa Rita Prickly Pear, Family: Cactaceae )
- Opuntia microdasys (Angel's-wings, Bunny Ears Cactus, Bunny Cactus, Polka-dot Cactus, Family: Cactaceae )
- Opuntia phaeacantha, Opuntia engelmanii (Prickly Pear, Family: Cactaceae )
- Opuntia rufida (Prickly Pear, Family: Cactaceae )
- Opuntia sp. (Prickly Pear, Family: Cactaceae )
- Opuntia tomentosa (Tree Pear, Velvet Opuntia, Family: Cactaceae )
- Orbea sp. (Starfish Flower, Star Flower, Toad Cactus, Family: Apocynaceae )
- Orbea variegata, Stapelia variegata (Starfish Flower, Star Flower, Toad Cactus, Family: Apocynaceae )
- Orbignya speciosa, Attalea speciosa (American Oil Palm, Babassu Palm, Family: Arecaceae / Palmae )
- Orchidantha foetida (Orchidantha, Orchid-flower, Family: Lowiaceae )
- Orchidantha maxillarioides (Orchidantha, Orchid-flower, Family: Lowiaceae )
- Oreocallis grandiflora, Embothrium grandiflorum (Oreocallis, Cucharilla, Family: Proteaceae )
- Oreocereus sp. (Old Man of the Andes Cactus, Family: Cactaceae )
- Oreopanax capitatus (Picon Tree, Family: Araliaceae )
- Origanum dayi (Desert Oregano, Family: Lamiaceae )
- Origanum majorana (Sweet Marjoram, Knotted Marjoram, Family: Lamiaceae )
- Origanum onites (Cretan Oregano, Turkish Oregano, Pot Marjoram, Family: Lamiaceae )
- Origanum vulgare (Oregano, Wild Marjoram, Greek Oregano, Family: Lamiaceae )
- Orixa japonica (Japanese Orixa, Family: Rutaceae )
- Ormocarpum trichocarpum, Ormocarpum setosum (Caterpillar Bush, Hairy Catterpillar , Family: Fabaceae )
- Ormosia monosperma, Sophora monosperma (Necklace Tree, Bead Tree, Family: Fabaceae )
- Ornithogalum sp. (Star of Bethlehem, Family: Asparagaceae )
- Orontium aquaticum (Golden-club, Floating Arum, Never-Wets, Tawkin, Family: Araceae )
- Oroxylum indicum (Shyonaka, Broken Bones Plant, Indian Trumpet Flower, Tree of Damocles, Midnight Horror, Family: Bignoniaceae )
- Orthophytum sp. (Orthophytum, Family: Bromeliaceae )
- Orthosiphon stamineus, Ocimum aristatum, Orthosiphon aristatus (Cat's Whiskers, Family: Lamiaceae )
- Oryza sativa (Asian rice, Family: Poaceae )
- Osa pulchra (Osa, Family: Rubiaceae )
- Osbornia octodonta (Myrtle Mangrove, Family: Myrtaceae )
- Osmanthus delavayi (Delavay Osmanthus, Delavay Tea Olive, Family: Oleaceae )
- Osmanthus fragrans, Olea fragrans, Olea ovalis, Osmanthus longibracteatus, Osmanthus macrocarpus (Tea Olive, Fragrant Olive, Sweet Olive, Kinmokusei in Japan, Family: Oleaceae )
- Osmanthus heterophyllus (Holly Osmanthus, Holly Olive, False Holly, Family: Oleaceae )
- Osmoxylon lineare, Boerlagiodendron lineare (Miagos bush, Golden Feather Leaf, Family: Araliaceae )
- Osmoxylon novoguineense (Osmoxylon, Miagos bush, Fuzzy Wrinkle, Oldmans Hand, Family: Araliaceae )
- Osmunda regalis (Royal Fern , Family: Osmundaceae )
- Osteomeles schweriniae (Chinese Emperor Plum, Family: Rosaceae )
- Osteospermum sp. (Trailing African Daisy, Freeway Daisy, Blue Eyed Daisy, Family: Asteraceae )
- Otatea acuminata, Yushania aztecorum (Mexican Weeping Bamboo, Family: Poaceae )
- Otomeria sp. (Otomeria, Family: Rubiaceae )
- Ouratea theophrasta, Ouratea gigantophylla (Ouratea, Family: Ochnaceae )
- Oxalis sp. (Shamrock, Wood Sorrel, Family: Oxalidaceae )
- Oxalis triangularis, Oxalis regnellii (Purple Shamrock, Love Plant , Family: Oxalidaceae )
- Oxera pulchella (Royal Creeper, Family: Lamiaceae )
- Oxyanthus sp. (Whipstick Tree, Wild Coffee, Zulu Loquat, Sand-forest Afro-loquat, Family: Rubiaceae )
- Oxypetalum coeruleum, Tweedia caerulea (Tweedia, Blue Milkweed, Southern Star, Family: Apocynaceae )
- Ozoroa engleri (Ozoroa, Family: Anacardiaceae )
- Ozothamnus diosmifolius, Helichrysum diosmifolium (Rice Flower, White Dogwood, Pill Flower, Sago Bush , Family: Asteraceae )
- Pachira aquatica (Malabar Chesnut, Guiana Chestnut, Provision Tree, Money Tree , Family: Malvaceae )
- Pachira glabra, Bombax glabrum (French Peanut, Guiana Chestnut, Provision Tree, Money Tree, Saba Nut, Family: Malvaceae )
- Pachycereus marginatus, Marginatocereus marginatus (Central Mexico Pipe Organ, Organo, Fence Post Cactus , Family: Cactaceae )
- Pachycereus pringlei (Mexican Giant Cardon, Elephant Cactus, Family: Cactaceae )
- Pachycereus weberi, Cereus candelabrum (Candelabro, Cardon, Family: Cactaceae )
- Pachycormus discolor (Elephant Tree, Torote Blanco , Family: Anacardiaceae )
- Pachynema dilatatum (Pachynema, Family: Dilleniaceae )
- Pachypodium bispinosum (Pachypodium , Family: Apocynaceae )
- Pachypodium densiflorum (Pachypodium, Family: Apocynaceae )
- Pachypodium horombense, Pachypodium rosulatum var. horombense (Pachypodium, Family: Apocynaceae )
- Pachypodium lamerei (Madagascar Palm, Family: Apocynaceae )
- Pachypodium namaquanum (Pachypodium, Family: Apocynaceae )
- Pachypodium rosulatum (Elephant's Foot Plant, Pachypodium, Family: Apocynaceae )
- Pachypodium rutenbergianum (Madagascar Palm, Family: Apocynaceae )
- Pachypodium saundersii, Pachypodium lealii subs. saundersii (Pachypodium saundersii, Family: Apocynaceae )
- Pachypodium sp. (Pachypodium, Family: Apocynaceae )
- Pachypodium succulentum (Caudiciform Pachypodium, Family: Apocynaceae )
- Pachyrhizus erosus (Yam Bean, Jicama, Family: Fabaceae )
- Pachystachys coccinea, Pachystachys spicata, Justicia coccinea, Jacobinia coccinea (Cardinals Guard, Family: Acanthaceae )
- Pachystachys lutea (Yellow Shrimp Plant, Golden Shrimp Plant, Lollipop Plant, Candle Plant, Family: Acanthaceae )
- Pachystegia insignis, Olearia insignis (Marlborough Rock Daisy, Family: Asteraceae )
- Paederia foetida, Paederia scandens (Skunkvine, Stinkvine, Chinese Fever Vine, Family: Rubiaceae )
- Paeonia delavayi (Delavay's Tree Peony, Family: Paeoniaceae )
- Paeonia ludlowii, Paeonia lutea var. ludlowii (Tibetan Tree Peony, Family: Paeoniaceae )
- Paeonia rockii (Rock's Peony, Tree Peony, Family: Paeoniaceae )
- Paeonia suffruticosa (Tree Peony, Family: Paeoniaceae )
- Palaquium obovatum, Isonandra obovata (White Gutta, Family: Sapotaceae )
- Paliavana tenuiflora (Paliavana, Family: Gesneriaceae )
- Palicourea corniculata (Cappel, Family: Rubiaceae )
- Palicourea guianensis (Showy cappel, Family: Rubiaceae )
- Palicourea sp. (Palicourea, Family: Rubiaceae )
- Palisota barteri (Palisota, Family: Commelinaceae )
- Palisota bracteosa (Palisota, Family: Commelinaceae )
- Palisota sp. (Palisota, Family: Commelinaceae )
- Paliurus spina-christi (Jerusalem Thorn, Family: Rhamnaceae )
- Pamianthe peruviana (Pamianthe, Family: Amaryllidaceae )
- Pancratium maritimum (Sea Daffodil, Sea Lily, Sand Lily, Havatselet ha'Sharon, Family: Amaryllidaceae )
- Pandanus baptistii (Variegated Dwarf Pandanus, White-striped Pandanus, Family: Pandanaceae )
- Pandanus nitidus, Pandanus stenophyllus, Freycinetia nitida (Narrow-leaved Pandanus, Family: Pandanaceae )
- Pandanus odoratissimus, Pandanus fascicularis (Umbrella tree, Screw pine, Screw tree, Kewra, Kewda, Kewara, Family: Pandanaceae )
- Pandanus pristis (Screw Palm, Family: Pandanaceae )
- Pandanus pygmaeus (Dwarf Pandanus, Family: Pandanaceae )
- Pandanus sp. (Screw Pine, Screw Palm, Family: Pandanaceae )
- Pandanus tectorius, Pandanus spiralis (Screw Pine, Screw Palm, Family: Pandanaceae )
- Pandanus utilis (Screw Pine, Family: Pandanaceae )
- Pandanus veitchii (Dwarf Variegated Screw Pine, Family: Pandanaceae )
- Pandorea jasminoides , Variety/cultivar: 'Rosea' (Southern bell, Family: Bignoniaceae )
- Pandorea jasminoides, Bignonia jasminoides, Tecoma jasminoides (Pandora vine, Bower vine, Southern Bell, Family: Bignoniaceae )
- Pandorea pandorana (Spearwood Bush, Wonga Wonga Vine , Family: Bignoniaceae )
- Pangium edule (Keluak, Keluwak, Family: Salicaceae )
- Paphiopedilum sp. (Paphiopedilum Orchid, Slipper Orchid, Family: Orchidaceae )
- Papilionanthe sp. (Papilionanthe, Family: Orchidaceae )
- Pappea capensis (Jacket Plum, Indaba Tree, Bushveld Cherry, Family: Sapindaceae )
- Paradrymonia hypocyrta (Paradrymonia, Family: Gesneriaceae )
- Paradrymonia sp. (Paradrymonia, Family: Gesneriaceae )
- Parameria barbata (Parameria, Kayu rapat, Family: Apocynaceae )
- Paraphalaenopsis sp. (Paraphalaenopsis, Rat-tailed Phalaenopsis, Family: Orchidaceae )
- Pararchidendron pruinosum (Snow Wood, Tulip Siris, Monkey's Earrings, Family: Fabaceae )
- Pararistolochia goldieana (Pararistolochia, African Corpse Flower, Family: Aristolochiaceae )
- Paraserianthes lophantha, Albizia lophantha (Cape Leeuwin Wattle, Crested Wattle, Family: Fabaceae )
- Pardancanda x norrisii (Candy Lily, Rainbow Lily, Family: Iridaceae )
- Parinari curatellifolia (Mupundu, Mobola Plum, Parinari, Family: Chrysobalanaceae )
- Parkia sumatrana (Parkia , Family: Fabaceae )
- Parkinsonia aculeata (Jerusalem Thorn, Family: Fabaceae )
- Parkinsonia praecox, Cercidium praecox (Palo Brea, Family: Fabaceae )
- Parkinsonia sp., Cercidium sp. (Palo Verde, Family: Fabaceae )
- Parmentiera cereifera (Candle Tree, Arbol de vela, Family: Bignoniaceae )
- Parmentiera edulis, Parmentiera aculeata (Guajilote, Cuachilote, Guahalote, Candle Tree, Cucumber Tree, Family: Bignoniaceae )
- Parodia leninghausii, Notocactus leninghausii (Yellow Tower, Family: Cactaceae )
- Parodia magnifica, Notocactus magnificus (Ball Cactus, Family: Cactaceae )
- Parrotiopsis jacquemontiana, Parrotia jacquemontiana (Parrotia, Family: Hamamelidaceae )
- Parthenocissus quinquefolia (Virginia Creeper, Victoria Creeper, Five-finger, Family: Vitaceae )
- Passiflora alata (Winged-Stem Passionflower, Fragrant Granadilla, Family: Passifloraceae )
- Passiflora caerulea (Common Passion Flower, Family: Passifloraceae )
- Passiflora citrina (Yellow Passion Flower, Family: Passifloraceae )
- Passiflora coccinea (Red Passion Flower, Family: Passifloraceae )
- Passiflora colinvauxii (Colinvaux's Passion Flower, Family: Passifloraceae )
- Passiflora coriacea (Wild Sweet Calabash, Bat leaved Passion Flower, Family: Passifloraceae )
- Passiflora edulis (Passion Fruit, Parcha, Maracuya, Granadilla, Family: Passifloraceae )
- Passiflora foetida (Wild Maracuja, Love-in-a-mist, Sneki Markusa, Stinking Passion Flower, Tagua Passion Flower, Granadilla colorada, Pop Vine, Family: Passifloraceae )
- Passiflora incarnata x cincinnata, Variety/cultivar: 'Incense' (Passiflora 'Incense', Fragrant Passion Flower, Family: Passifloraceae )
- Passiflora lanuginosa (Woolly Passion Flower, Family: Passifloraceae )
- Passiflora laurifolia (Water lemon, Jamaican Honeysuckle,Golden Bellapple, Family: Passifloraceae )
- Passiflora maliformis (Sweet Calabash, Conch apple, Hard-shelled Passionfruit, Sweet Cup, Water Lemon, Family: Passifloraceae )
- Passiflora manicata (Red Passionflower, Family: Passifloraceae )
- Passiflora mollissima, Passiflora tarminania (Banana Passionfruit, Taxo, Curuba, Family: Passifloraceae )
- Passiflora nitida (Bell Apple, Maracuja Suspiro, Family: Passifloraceae )
- Passiflora quadrangularis, Passiflora macrocarpa (Giant granadilla, Family: Passifloraceae )
- Passiflora racemosa (Red Passion Flower, Family: Passifloraceae )
- Passiflora sp. (Passion Flower, Family: Passifloraceae )
- Passiflora sp., Variety/cultivar: 'Amethyst' (Lavender Lady, Family: Passifloraceae )
- Passiflora sp., Variety/cultivar: 'Lady Margaret' (Passiflora 'Lady Margaret', Family: Passifloraceae )
- Passiflora suberosa (Corkystem Passionflower, Family: Passifloraceae )
- Passiflora vitifolia (Grape Leaved Passion Fruit, Crimson Passion Flower, Family: Passifloraceae )
- Patinoa almirajo (Almirajo, South American Sapote, Family: Malvaceae )
- Pauldopia ghorta, Bignonia ghorta (Pauldopia, Family: Bignoniaceae )
- Paullinia alata (Paullinia, Family: Sapindaceae )
- Paullinia cupana, Paullinia alata (Brazilian cocoa, Guarana Berry, Paullina, Family: Sapindaceae )
- Paulownia sp. (Princess Tree, Empress Tree, Family: Paulowniaceae )
- Pavetta sp. (Christmas bush, Family: Rubiaceae )
- Pavonia bahamensis (Bahama Marsh-Bush , Bahama Swamp-Bush, Bahama Hummingbird Bush, Family: Malvaceae )
- Pavonia cancellata (Pavonia, Family: Malvaceae )
- Pavonia multiflora, Triplochlamys multifora (Brazilian candles, Family: Malvaceae )
- Pavonia praemorsa (Yellow Mallow, Family: Malvaceae )
- Pavonia sepioides, Pavonia sepium subsp. macrocarpa (Pavonia, Family: Malvaceae )
- Pavonia strictiflora, Goethea strictiflora, Goethea cauliflora (Goethea, Family: Malvaceae )
- Pearcea hypocyrtiflora, Gloxinia hypocyrtiflora (Pearcea, Family: Gesneriaceae )
- Pearcea rhodotricha (Pearcea, Family: Gesneriaceae )
- Pedalium murex (Land Caltrops, Bada Gokshur, Family: Pedaliaceae )
- Pelagodoxa henryana (Henry Palm, Family: Arecaceae / Palmae )
- Pelargonium sp. (Pelargonia, Geranium, Family: Geraniaceae )
- Pelargonium sp., Variety/cultivar: 'Vancouver Centennial' (Stellar Geranium, Family: Geraniaceae )
- Pelargonium sp., Variety/cultivar: 'Deerwood Lavender Lass' (Lavender Pelargonia, Family: Geraniaceae )
- Pelargonium x domesticum (Regal Geranium, Family: Geraniaceae )
- Pelargonium x hortorum (Zonal Geranium, Garden Geranium, Family: Geraniaceae )
- Pelatantheria insectifera (Insect-Bearing Pelatanthera , Family: Orchidaceae )
- Peliosanthes javanica (Tropical Lily of the Valley, Family: Asparagaceae )
- Pellaea calomelanos (Pellaea, Family: Pteridaceae )
- Pellaea falcata (Sickle Fern, Family: Pteridaceae )
- Pellaea rotundifolia (Button Fern, Round-leafed Fern, Tarawera, Family: Pteridaceae )
- Pellaea viridis (Green Cliff Brake, Family: Pteridaceae )
- Pellionia acaulis, Elatostema latifolium var. acaule (Pellionia, Family: Urticaceae )
- Pellionia pulchra, Procris repens (Satin Pellionia, Rainbow Vine, Family: Urticaceae )
- Pellionia repens (Watermelon Pellionia, Family: Urticaceae )
- Pellionia sp. (Pellionia, Family: Urticaceae )
- Peltophorum africanum (African Wattle, Weeping Wattle, Family: Fabaceae )
- Peltophorum dubium (Yellow Poinciana, Family: Fabaceae )
- Peltophorum pterocarpum, Caesalpinia ferruginea, Caesalpinia inermis, Inga pterocarpum (Golden Flamboyante, Yellow Flame Tree, Yellow Poinciana, Copper pod tree, Copperpod, Family: Fabaceae )
- Peltophorum sp. (Yellow Flame Tree, Family: Fabaceae )
- Pemphis acidula (Mentigi, Family: Lythraceae )
- Pennisetum sp. (Pennisetum, Family: Poaceae )
- Penstemon digitalis (Foxglove Penstemon , Family: Plantaginaceae )
- Penstemon pinifolius (Pineleaf Penstemon, Family: Plantaginaceae )
- Penstemon sp. (Beard-tongue, Family: Plantaginaceae )
- Penstemon superbus, Penstemon puniceus (Superb Beardtongue, Family: Plantaginaceae )
- Pentaclethra macrophylla (African Oil Bean, Family: Fabaceae )
- Pentadesma butyracea (African Butter Tree, Family: Clusiaceae / Guttiferae )
- Pentagonia grandiflora, Pentagonia gigantophylla (Pentagonia, Family: Rubiaceae )
- Pentagonia sp. (Pentagonia, Family: Rubiaceae )
- Pentas lanceolata (Pentas, Star Flower, Star Cluster, Family: Rubiaceae )
- Peperomia argyreia, Peperomia sandersii (Watermelon Peperomia, Family: Piperaceae )
- Peperomia bicolor (Peperomia, Family: Piperaceae )
- Peperomia caperata (Emerald Ripple Peperomia, Family: Piperaceae )
- Peperomia clusiifolia, Peperomia obtusifolia var. clusiaefolia (Red Edge Peperomia, Family: Piperaceae )
- Peperomia congesta (Peperomia, Family: Piperaceae )
- Peperomia dahlstedtii, Peperomia fosteri (Vining Pepper, Family: Piperaceae )
- Peperomia fraseri (Flowering Peperomia, Family: Piperaceae )
- Peperomia griseoargentea (Radiator Plant, Platinum Pepper, Ivy-Leaf Peperomia, Family: Piperaceae )
- Peperomia incana (Felted Peperomia, Family: Piperaceae )
- Peperomia obtusifolia (Baby Rubber Plant, Family: Piperaceae )
- Peperomia orba (Pixie Peperomia, Family: Piperaceae )
- Peperomia polybotrya (Coin Leaf Peperomia, Family: Piperaceae )
- Peperomia prostrata (Trailing Peperomia, Family: Piperaceae )
- Peperomia pseudovariegata (Peperomia, Family: Piperaceae )
- Peperomia puteolata (Parallel Peperomia, Family: Piperaceae )
- Peperomia scandens, Acrocarpidium scandens (Hanging Peperomia, False Philodendron, Radiator plant, Family: Piperaceae )
- Peperomia sp. (Radiator Plant, Family: Piperaceae )
- Pereskia aculeata (Barbados Gooseberry, Lemon Vine, Tsunya, Perescia, Family: Cactaceae )
- Pereskia aculeata , Variety/cultivar: 'Godseffiana' (Lemon Vine, Tsunya, Golden Barbados Gooseberry, Variegated Pereskia, Variegated Leaf Cactus, Family: Cactaceae )
- Pericallis cruenta (Florist's Cineraria, Family: Asteraceae )
- Perilla frutescens (Shiso, Beefsteak Plant, Rattlesnake Weed, Perilla Mint, Chinese Basil, Akajiso, Jasoyup, Chirimenjiso , Family: Lamiaceae )
- Periploca aphylla (Milk Broom , Family: Apocynaceae )
- Periploca graeca (Silk vine, Family: Apocynaceae )
- Peristeria elata (Holy Ghost orchid, Dove orchid, Flower of the Holy Spirit, Family: Orchidaceae )
- Pernettya mucronata, Pernettya rupicola, Gaultheria mucronata (Prickly Heath, Family: Ericaceae )
- Perovskia sp. (Russian Sage, Family: Lamiaceae )
- Persea americana, Persea gratissima (Avocado, Alligator Pear, Aguacate, Abacate, Family: Lauraceae )
- Persea borbonia, Laurus borbonia, Persea littoralis (Redbay, Florida Mahogany, Sweet Bay, Silk Bay, Laurel Tree, Family: Lauraceae )
- Persea indica, Laurus indica (Madeira Mahogany, Family: Lauraceae )
- Persicaria orientalis, Polygonum orientale (Kiss Me Over The Garden Gate, Princess Feather, Oriental Persicary, Family: Polygonaceae )
- Petalidium coccineum (Kaoko Petalidium, Family: Acanthaceae )
- Petraeovitex bambusetorum, Petraeovitex wolfei (Nong Nooch Vine, Family: Lamiaceae )
- Petrea arborea (Blue Jasmine, Family: Verbenaceae )
- Petrea pubescens, Petrea glandulosa, Petrea volubilis var. alba (Queen's Wreath, Family: Verbenaceae )
- Petrea volubilis, Petrea kohautiana, Petrea racemosa (Queen's Wreath, Sandpaper Vine, Tropical Wisteria, Family: Verbenaceae )
- Petrocosmea sp. (Petrocosmea, Family: Gesneriaceae )
- Petunia sp. (Petunia, Family: Solanaceae )
- Phacelia campanularia (Desert Bells, Desert Bluebells, California Bluebell, Family: Boraginaceae )
- Phaedranassa cinerea (Phaedranassa, Family: Amaryllidaceae )
- Phaius tankervilleae (Chinese Ground Orchid, Nun Orchid, Family: Orchidaceae )
- Phalaenopsis cornu-cervi (Deer Antler Moth Orchid, Deer-antlered Phalaenopsis, Family: Orchidaceae )
- Phalaenopsis parishii, Aerides decumbens (Violet Phalaenopsis, Parish's Phalaenopsis, Family: Orchidaceae )
- Phalaenopsis sp. (Phalaenopsis Orchid, Moth Orchid, Family: Orchidaceae )
- Phaleria capitata (Ongael, Phaleria Jack, Family: Thymelaeaceae )
- Phaleria clerodendron (Scented Daphne, Family: Thymelaeaceae )
- Phaleria macrocarpa (Mahkota Dewa, Family: Thymelaeaceae )
- Phaleria perottetiana (Phaleria, Family: Thymelaeaceae )
- Phaleria sp. (Scented Daphne, Family: Thymelaeaceae )
- Phanera roxburghiana, Bauhinia roxburghiana, Bauhinia semla (Notched-Leaf Bauhinia, Family: Fabaceae )
- Philadelphus coronarius (Sweet Mock Orange, Falscher Jasmin, Family: Philadelphaceae )
- Philadelphus sp. (Mock Orange, Family: Philadelphaceae )
- Philenoptera violacea, Lonchocarpus capassa, Capassa violacea (Apple Leaf, Rain Tree, Mupandapanda, Mupanda Panda, Mopororo , Family: Fabaceae )
- Philodendron , Variety/cultivar: 'Burle Marx' (Burle Marx Philodendron, Family: Araceae )
- Philodendron bipinnatifidum, Philodendron selloum (Cut-leaf Philodendron, Tree Philodendron, Selloum, Self-header, Split leaf Philodendron, Family: Araceae )
- Philodendron campii, Variety/cultivar: 'Lynette' (Philodendron 'Lynette', Family: Araceae )
- Philodendron cordatum (Heart Leaf Philodendron, Family: Araceae )
- Philodendron erubescens (Blushing Philodendron, Redleaf Philodendron, Family: Araceae )
- Philodendron gloriosum (Glorious Jungle Philodendron , Family: Araceae )
- Philodendron goeldii (Philodendron, Family: Araceae )
- Philodendron pedatum (Oak Leaf Philodendron, Family: Araceae )
- Philodendron pinnatifidum (Philodendron, Family: Araceae )
- Philodendron radiatum, Variety/cultivar: 'Palm Fingers' (Cut-Leaf Philodendron, Family: Araceae )
- Philodendron rugosum (Pig Skin, Family: Araceae )
- Philodendron scandens, Philodendron hederaceum (Heart Leaf Philodendron, Family: Araceae )
- Philodendron sp. (Guacamayo, Papaya de Monte, Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Birkin' (Striped Delight, Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Florida' (Philodendron 'Florida', Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Chocolate' (Chocolate Philodendron, Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Moonlight' (Philodendron Moonlight, Lime Philodendron, Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Bloody Mary' (Bloody Mary Philodendron, Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Painted Lady' (Painted Lady, Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Anderson Red' (Philodendron 'Anderson Red', Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Jungle Boogie' (Philodendron 'Jungle Boogie', Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Paraiso Verde' (Philodendron 'Paraiso Verde', Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Golden Goddess' (Philodendron 'Golden Goddess', Family: Araceae )
- Philodendron sp., Variety/cultivar: 'McColley's Finale' (Family: Araceae )
- Philodendron sp. , Variety/cultivar: 'Prince of Orange' (Prince of Orange, Autumn, Family: Araceae )
- Philodendron sp., Variety/cultivar: 'Red Back Compacta' (Red-Backed Philodendron, Family: Araceae )
- Philodendron speciosum (King of Philodendrons, Family: Araceae )
- Philodendron squamiferum (Red Bristle Philodendron, Family: Araceae )
- Philodendron stenolobum (Philodendron, Family: Araceae )
- Philodendron verrucosum (Ecuador Philodendron, Velvet-leaf Philodendron, Family: Araceae )
- Philodendron warszewiczii (Philodendron, Family: Araceae )
- Philodendron xanadu, Thaumatophyllum xanadu (Philodendron, Family: Araceae )
- Phlebodium aureum, Polypodium aureum, Polypodium leucotomos (Golden Polypody, Golden Serpent Fern, Cabbage Palm Fern, Family: Polypodiaceae )
- Phlogacanthus turgidus (Lavender Bells, Family: Acanthaceae )
- Phlomis fruticosa (Jerusalem Sage, Family: Lamiaceae )
- Phoenicophorium borsigianum (Borsig's Palm, Fey Palm , Family: Arecaceae / Palmae )
- Phoenix canariensis (Canary Island Date Palm, Family: Arecaceae / Palmae )
- Phoenix dactylifera (Date Palm, Family: Arecaceae / Palmae )
- Phoenix reclinata (Reclinata Date Palm, Senegal Date, African Wild Date, Family: Arecaceae / Palmae )
- Phoenix roebelenii (Pigmy Date Palm, Family: Arecaceae / Palmae )
- Phoenix rupicola (Cliff Date Palm, Indian Date Palm, Family: Arecaceae / Palmae )
- Phoenix sp. (Date Palm, Family: Arecaceae / Palmae )
- Phoenix sylvestris (Silvester Palm, Toddy Palm, Wild Date Palm, Family: Arecaceae / Palmae )
- Phoenix theophrastii (Cretan Date Palm, Family: Arecaceae / Palmae )
- Pholidota chinensis, Coelogyne chinensis (The Chinese Pholidota, Family: Orchidaceae )
- Pholidota imbricata, Coelogyne imbricata, Pholidota bracteata, Pholidota crotalina (Necklace Orchid, Rattlesnake Orchid, Family: Orchidaceae )
- Phoradendron californicum (Desert Mistletoe, Mesquite Mistletoe, Family: Santalaceae )
- Phormium tenax (New Zealand Flax , Family: Xanthorrhoeaceae )
- Photinia sp. (Photinia, Family: Rosaceae )
- Phragmipedium sp. (Phragmipedium, Family: Orchidaceae )
- Phragmotheca ecuadoriensis (Camatuhua, Family: Malvaceae )
- Phryganocydia corymbosa, Macfadyena corymbosa, Spathodea corymbosa (Trinidad Pink Trumpet Vine , Family: Bignoniaceae )
- Phuopsis stylosa (Caucasian Crosswort, Skunk Plant, Family: Rubiaceae )
- Phygelius sp. (Cape Fuchsia, Digging Dog, Family: Scrophulariaceae )
- Phyla dulcis, Lippia dulcis, Phyla scaberrima, Lippia mexicana (Aztec Sweet Herb, Sweetleaf, Family: Verbenaceae )
- Phyla nodiflora, Lippia nodiflora (Turkey Tangle Frogfruit, Family: Verbenaceae )
- Phylica plumosa, Phylica pubescens (Flannel Flower, Flannel Bush, Featherhead, Family: Rhamnaceae )
- Phyllanthus acidus, Phyllanthus distichus (Otaheite Gooseberry, Amlak, Grosella, Gooseberry tree, Family: Phyllanthaceae )
- Phyllanthus angustifolius (Foliage Flower, Family: Phyllanthaceae )
- Phyllanthus arbuscula (Phyllanthus , Family: Phyllanthaceae )
- Phyllanthus latifolius (Phyllanthus, Family: Phyllanthaceae )
- Phyllanthus mirabilis, Phyllanthodendron mirabilis (Dragon Wings, Buddhas Prayer, Namaste Plant, Family: Phyllanthaceae )
- Phyllanthus pectinatus, Emblica pectinata (Melaka Tree, Family: Phyllanthaceae )
- Phyllanthus pulcher (Phyllanthus pulcher, Family: Phyllanthaceae )
- Phyllanthus sp. (Phyllanthus, Family: Phyllanthaceae )
- Phyllodium longipes, Desmodium longipes (Phyllodium, Fish Scales, Family: Fabaceae )
- Phyllostachys aurea (Fish pole Bamboo, Golden Bamboo, Family: Poaceae )
- Phyllostachys nigra (Black Bamboo, Family: Poaceae )
- Phymosia umbellata, Malva umbellata (Mexican Bush Mallow, Malva Aparasolada , Family: Malvaceae )
- Physalis philadelphica (Tomatillo, Husk Tomato, Family: Solanaceae )
- Physalis sp. (Ground Cherry, Family: Solanaceae )
- Physocarpus opulifolius, Opulaster opulifolius, Spiraea opulifolia (Common Ninebark, Eastern Ninebark, Family: Rosaceae )
- Physostegia virginiana (Obedient Plant, False Dragonhead, Family: Lamiaceae )
- Phytelephas sp. (Ivory-nut Palm, Tagua Palm, Family: Arecaceae / Palmae )
- Phytolacca americana (American Pokeweed, Family: Phytolaccaceae )
- Phytolacca dioica (Pokeweed, Belhambra, Bella Ombre, Ombu, Umbo, Umbra tree, Elephant tree, Fitolaca, Beautiful shade, Family: Phytolaccaceae )
- Phytolacca esculenta, Phytolacca acinosa esculenta (Pokeweed, Family: Phytolaccaceae )
- Phytolacca sp. (Pokeweed, Family: Phytolaccaceae )
- Picramnia pentandra (Florida Bitterbush, Bitter Bush, Family: Picramniaceae )
- Pieris sp. (Pieris, Lily-of-the-valley shrub, Family: Ericaceae )
- Pilea cadierei (Aluminum Plant, Watermelon Plant, Family: Urticaceae )
- Pilea glaucophylla (Silver Sprinkles, Family: Urticaceae )
- Pilea grandifolia (Aluminum Plant, Family: Urticaceae )
- Pilea microphylla, Pilea serpyllacea (Artillery Plant, Gunpowder Plant , Family: Urticaceae )
- Pilea mollis, Pilea crassifolia (Moon Valley Pilea, Family: Urticaceae )
- Pilea nipensis (Pilea, Family: Urticaceae )
- Pilea nummulariifolia (Creeping Charlie, Family: Urticaceae )
- Pilea peperomioides (Chinese Money Plant, Missionary Plant, lefse Plant, Pancake Plant, UFO plant, Family: Urticaceae )
- Pilea sp. (Pilea, Family: Urticaceae )
- Pilocarpus pennatifolius (Paraguay Jaborandi, Family: Rutaceae )
- Pilosocereus tillianus, Pilosocereus lanuginosus subs. tillianus (Pilosocereus, Family: Cactaceae )
- Pimelea ciliata (White Banjine, Family: Thymelaeaceae )
- Pimelea prostrata, Pimelea coarctica (Riceflower, Pinatoro, New Zealand Daphne, Strathmore Weed, Family: Thymelaeaceae )
- Pimenta dioica, Pimenta officinalis (Allspice, Jamaica Pepper, Pimento Tree, Alspice, Family: Myrtaceae )
- Pimenta racemosa, Caryophyllus racemosus (Bay Rum Tree, Family: Myrtaceae )
- Pimpinella anisum (Anise, Ani , Family: Apiaceae / Umbelliferae )
- Pinanga sp. (Pinanga Palm, Family: Arecaceae / Palmae )
- Pinguicula sp. (Butterwort, Family: Lentibulariaceae )
- Pinus clausa (Dwarf Sand Pine, Sams Hoola Sand Pine, Family: Pinaceae )
- Pinus palustris (Longleaf Pine, Family: Pinaceae )
- Pinus sp. (Pine, Family: Pinaceae )
- Piper aduncum, Piper angustifolium, Piper elongatum (Spiked Pepper, Higuillo de Hoja, Matico, Family: Piperaceae )
- Piper auritum (Root Beer Plant, Mexican Pepperleaf, Hoja Santa , Veracruz Pepper, False Kava-Kava, Sacred Pepper, Family: Piperaceae )
- Piper betle (Betel leaf, Family: Piperaceae )
- Piper blattarum (Higuillo, Family: Piperaceae )
- Piper longum (Bengal Pepper, Indian Long Pepper, Pippali, Piplamul, Family: Piperaceae )
- Piper magnificum (Lacquered Peppertree, Family: Piperaceae )
- Piper methysticum (Kava, Kava-Kava, Family: Piperaceae )
- Piper nigrum (Pepper, Family: Piperaceae )
- Piper ornatum, Piper crocatum (Celebes pepper, Family: Piperaceae )
- Piper peltatum, Lepianthes peltata, Pothomorphe peltata (Pakina, Monkey's Hand, Santa Maria Plant, Cachimuela, Cordoncillo, Pariparoba, Pariparova, Jaguarandi, Capeba, Caena, Family: Piperaceae )
- Piper retrofractum, Chavica officinarum, Piper chaba, Piper officinarum (Long Pepper, Balinese Pepper, Family: Piperaceae )
- Piper sarmentosum (Chaa-plu, Vietnamese Pepper, Lalot, La Lot, Wild Betel Leaf, Family: Piperaceae )
- Piper sp. (Pepper, Family: Piperaceae )
- Piper sylvaticum, Chavica sylvatica (Pahari Pipul, Mountain Long Pepper, Family: Piperaceae )
- Piptostigma multinervium (Piptostigma, Family: Annonaceae )
- Piscidia piscipula (Jamaica Dogwood, Family: Fabaceae )
- Pisonia alba, Pisonia brunoniana (Lettuce tree, Cabbage tree, Hawaiian Papala kepau, Sule sappu, Lachaikottei, Family: Nyctaginaceae )
- Pisonia umbellifera (Bird-lime Tree, Bird Catcher Tree, Family: Nyctaginaceae )
- Pistacia sp. (Pistacia, Family: Anacardiaceae )
- Pistacia vera (Pistachio, Family: Anacardiaceae )
- Pistia stratiotes (Water Bonnets, Water Lettuce, St. Lucy's Plant, Family: Araceae )
- Pitcairnia angustifolia (Pitcairnia, Family: Bromeliaceae )
- Pitcairnia maidifolia (Bromeliad, Family: Bromeliaceae )
- Pitcairnia sanguinea (Bromeliad, Family: Bromeliaceae )
- Pitcairnia sp. (Bromeliad, Family: Bromeliaceae )
- Pithecellobium dulce, Inga dulcis, Mimosa dulcis (Bread-and-Cheeese, Madras Thorn, Manila Tamarind, Family: Fabaceae )
- Pithecellobium flexicaule, Acacia flexicaulis, Ebenopsis flexicaulis (Texas Ebony, Family: Fabaceae )
- Pittosporum angustifolium, Pittosporum phillyraeoides (Willow Pittosporum, Butterbush, Native Apricot, Family: Pittosporaceae )
- Pittosporum crassifolium (Stiffleaf Cheesewood, Karo, Family: Pittosporaceae )
- Pittosporum daphniphylloides (Pittosporum, Family: Pittosporaceae )
- Pittosporum heterophyllum (Pittosporum, Family: Pittosporaceae )
- Pittosporum hosmeri, Pittosporum amplectens (Kona Cheesewood, Hoawa, Family: Pittosporaceae )
- Pittosporum moluccanum, Pittosporum timorense (Pittosporum, Family: Pittosporaceae )
- Pittosporum pentandrum (Taiwanese Cheesewood, Family: Pittosporaceae )
- Pittosporum ramiflorum (Pittosporum, Family: Pittosporaceae )
- Pittosporum sp. (Pittosporum, Family: Pittosporaceae )
- Pittosporum tenuifolium (Kohuhu, Family: Pittosporaceae )
- Pittosporum tobira (Japanese Mockorange, Japanese Pittosporum, Tobira, Family: Pittosporaceae )
- Pittosporum undulatum (Native Daphne, Sweet Pittosporum, Snowdrop Tree , Mock Orange, Family: Pittosporaceae )
- Pittosporum viridiflorum (Cheesewood, Family: Pittosporaceae )
- Planchonia careya, Barringtonia careya, Careya australis (Cocky Apple, Cockatoo Apple, Billygoat Plum, Family: Lecythidaceae )
- Plant Boosters (SUNSHINE in a Bottle)
- Platanus sp. (Plane tree, Sycamore, Family: Platanaceae )
- Platycerium bifurcatum, Platycerium alcicorne (Elkhorn Fern, Staghorn, Family: Polypodiaceae )
- Platycerium coronarium (Stag's Horn Fern, Staghorn, Family: Polypodiaceae )
- Platycerium elephantotis (Elephant Ear Staghorn Fern, Family: Polypodiaceae )
- Platycerium sp. (Staghorn, Family: Polypodiaceae )
- Platycerium wandae (Queen Elkhorn Fern, Family: Polypodiaceae )
- Platycodon grandiflorus (Chinese Bellflower, Balloon Flower, Family: Campanulaceae )
- Plectranthus argentatus (Silver Plectranthus, Family: Lamiaceae )
- Plectranthus australis (Swedish Ivy, Family: Lamiaceae )
- Plectranthus coleoides (White-Edged Swedish Ivy, Family: Lamiaceae )
- Plectranthus ecklonii (African Flower, Family: Lamiaceae )
- Plectranthus ernstii (Caudiciform Plectranthus, Family: Lamiaceae )
- Plectranthus forsteri, Plectranthus nicodemus (Fragrant Plectranthus, Variegated Basil, Family: Lamiaceae )
- Plectranthus neochilus (Lobster Flower , Family: Lamiaceae )
- Plectranthus prostratus (Pillow Plant, Succulent Swedish Ivy, Family: Lamiaceae )
- Plectranthus sp. (Plectranthus, Family: Lamiaceae )
- Plectranthus sp., Variety/cultivar: 'Mona Lavender' (Mona Lavender, Plectranthus hybrid, Family: Lamiaceae )
- Plectranthus spicatus (Durban Lavender, Family: Lamiaceae )
- Plectranthus tomentosus, Plectranthus hadiensis var. tomentosus (Camphor Plant, Camphor Basil, Vicks Plant, Succulent Coleus, Family: Lamiaceae )
- Pleiocarpa mutica (Kanwene, Family: Apocynaceae )
- Pleiogynium timorense (Burdekin plum, Family: Anacardiaceae )
- Pleione sp. (Peacock Orchid, Himalayan crocus, Indian Crocus, Windowsill Orchid, Family: Orchidaceae )
- Pleiospilos sp. (Split Rock, Family: Aizoaceae )
- Pleiostachya pruinosa, Maranta pruinosa (Wheat Calathea, Platanillo, Family: Marantaceae )
- Plerandra elegantissima, Schefflera elegantissima, Aralia elegantissima, Dizygotheca elegantissima (False Aralia, Finger Aralia, Threadleaf, Family: Araliaceae )
- Pleroma heteromallum, Tibouchina multiflora, Tibouchina grandifolia, Tibouchina heteromalla (Glory bush, Quaresmeira, Family: Melastomataceae )
- Pleuropetalum darwinii (Galapagos Pleuropetalum, Family: Amaranthaceae )
- Pleurothallis sp. (Pleurothallis, Family: Orchidaceae )
- Plinia edulis, Marlierea edulis, Rubachia glomerata (Cambuca, Cambuca-Verdadeiro, Cambucaseiros, Family: Myrtaceae )
- Pluchea odorata (Sweetscent, Salt Marsh Fleabane, Shrubby Camphorweed, Fragrant Ageratum, Fruity Weed, Family: Asteraceae )
- Plukenetia volubilis (Sacha Inchi, Sacha Peanut, Mountain Peanut, Inca-Peanut, Family: Euphorbiaceae )
- Plumbago aphylla (Leafless Leadwort, Family: Plumbaginaceae )
- Plumbago auriculata, Variety/cultivar: 'Alba' (Cape Plumbago, Cape Leadwort, Family: Plumbaginaceae )
- Plumbago auriculata, Plumbago capensis (Blue Plumbago, Cape Plumbago, Cape Leadwort, Family: Plumbaginaceae )
- Plumbago indica, Plumbago Rosea (Rose-colored Lead-wort, Chitrakmool, Chekkikotuveri, Chitraka, Shitrapuni, Scarlett Leadwort, Whorled plantain, Family: Plumbaginaceae )
- Plumbago zeylanica (Wild Plumbago, Family: Plumbaginaceae )
- Plumeria alba (Dwarf Plumeria, Family: Apocynaceae )
- Plumeria cubanensis (Plumeria , Family: Apocynaceae )
- Plumeria montana (Whita Plumeria, Family: Apocynaceae )
- Plumeria obtusa (Singapore Plumeria, Family: Apocynaceae )
- Plumeria pudica (Bridal Bouquet, Family: Apocynaceae )
- Plumeria rubra, Variety/cultivar: Pink (Frangipani, Temple tree, Calachuchi, Family: Apocynaceae )
- Plumeria rubra, Variety/cultivar: Yellow (Frangipani, Temple tree, Calachuchi, Family: Apocynaceae )
- Plumeria sp. (Plumeria, Frangipani, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Elsee' ('Elsee' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Baby Bird' ('Baby Bird' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Jeena Red' ('Jeena Red' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Moonlight' ('Moonlight' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'First Kiss' ('First Kiss' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Lai Namtan' ('Lai Namtan' Plumeria)
- Plumeria sp., Variety/cultivar: Plumeria 'Sang Aroon' ('Sang Aroon' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Golden Leaf' ('Golden Leaf' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Lani's Beauty' ('Lani's Beauty' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Purple Toffy' ('Purple Toffy' Plumeria , Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Sao Muangnon' ('Sao Muangnon' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Candy Stripe' ('Intense Rainbow' Plumeria, 'Candy Stripe' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Boon Yen' ('Boon Yen' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Kimo' ('Kimo' Plumeria, Rainbow Frangipani, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Poung Roi Hom' ('Poung Roi Hom' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Gred Gaew' ('Gred Gaew' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Som Pa Ruay' ('Som Pa Ruay' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: Plumeria 'Thong Taweekun' ('Thong Taweekun' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Orange KLS' ('Orange KLS' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Chompoo Orathai' ('Chompoo Orathai' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Rung Sirichod' ('Rung Sirichod' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Pink Border Leaf' ('Pink Border Leaf' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Lueng Kob Chompoo' ('Lueng Kob Chompoo' Plumeria)
- Plumeria sp., Variety/cultivar: 'Thong Taweechok' ('Thong Taweechok' Plumeria, Family: Apocynaceae )
- Plumeria sp., Variety/cultivar: 'Lueang Sirimongkol' ('Siri Mongkol Yellow' Plumeria, 'Mister Barcy' Plumeria, Family: Apocynaceae )
- Plumeria stenophylla (Frangipani, Family: Apocynaceae )
- Plumeria tuberculata (Plumeria, Family: Apocynaceae )
- Podalyria sp. (Sweet Pea Bush, Family: Fabaceae )
- Podandrogyne mathewsii, Podandrogyne brachycarpa (Podandrogyne, Family: Cleomaceae )
- Podocarpus elatus (Plum Pine, Australian plum, Family: Podocarpaceae )
- Podocarpus elongatus (Breede River Yellowwood , Family: Podocarpaceae )
- Podocarpus falcatus (Outeniqua Yellowwood, Family: Podocarpaceae )
- Podocarpus macrophyllus (Buddhist Pine, Chinese Yew, Kusamaki, Inumaki, Family: Podocarpaceae )
- Podocarpus neriifolius (Oleander Podocarp, Family: Podocarpaceae )
- Podocarpus sp. (Podocarpus, Family: Podocarpaceae )
- Podranea brycei (Zimbabwe Creeper, Queen-Of-Sheba Vine, Family: Bignoniaceae )
- Podranea ricasoliana, Tecoma ricasoliana (Port St. John's Creeper, Zimbabwe Creeper, Family: Bignoniaceae )
- Poecilanthe parviflora (Lapacho, Family: Fabaceae )
- Pogonatherum paniceum (Miniature Bamboo, Baby Panda Bamboo , Family: Poaceae )
- Pogonopus speciosus, Macrocnemum speciosum (Pogonopus, Chorcha de gallo, Family: Rubiaceae )
- Pogostemon cablin, Pogostemon patchouli, Pogostemon heyneanous (Patchouli, Pucha-pat, Family: Lamiaceae )
- Poitea carinalis, Sabinea carinalis (Caribwood, Family: Fabaceae )
- Poitea paucifolia, Corynella paucifolia (Retama, Family: Fabaceae )
- Poitea sp. (Retama prieta, Family: Fabaceae )
- Pollia condensata (Marble Berry, Family: Commelinaceae )
- Polyalthia australis (Polyalthia, Family: Annonaceae )
- Polyalthia erecta (Nom-noi, Family: Annonaceae )
- Polyalthia longifolia (Telegraph Pole Tree, Ashoka, Mast Tree, Family: Annonaceae )
- Polyalthia sp. (Polyalthia, Family: Annonaceae )
- Polyandrococos caudescens, Diplothemium caudescens (Buri Palm, Family: Arecaceae / Palmae )
- Polygala myrtifolia (September bush, Chupman Fields, Family: Polygalaceae )
- Polygala rugelii (Yellow Milkwort, Family: Polygalaceae )
- Polygala virgata (Purple broom, Persboom, Bloukappie, Family: Polygalaceae )
- Polygonatum sp. (Solomon's Seal, Family: Asparagaceae )
- Polyosma integrifolia (Polyosma, Family: Escalloniaceae )
- Polypodium polycarpon, Microsorum punctatum (New Guinea Microsorum, Family: Polypodiaceae )
- Polypodium sp. (Polypody, Family: Polypodiaceae )
- Polyscias fruticosa (Ming Aralia, Family: Araliaceae )
- Polyscias guilfoylei, Polyscias guilfoylei var. laciniata (Guilfoyle Polyscias, Geranium Leaf Aralia, Wild Coffee, Black Aralia, Family: Araliaceae )
- Polyscias scutellaria, Polyscias balfouriana, Polyscias pinnata (Shield Aralia, Dinner Plate Aralia, Family: Araliaceae )
- Polyscias sp. (Panax, Aralia, Family: Araliaceae )
- Pometia pinnata, Nephelium pinnatum, Dabanus acuminatus, Dabanus pinnatus, Euphoria pometia (Fijian Longan, Island Lychee, Oceanic Lychee, Family: Sapindaceae )
- Pongamia pinnata, Millettia pinnata (Pongam, Indian Beech, Family: Fabaceae )
- Pontederia cordata (Pickerel Plant, Pickerelweed, Blue Pickerel, Family: Pontederiaceae )
- Pontederia crassipes, Eichhornia crassipes (Water Hyacinth, Family: Pontederiaceae )
- Pontederia rotundifolia (Tropical Pickerelweed, Family: Pontederiaceae )
- Porana volubilis (Horse-tail Creeper, snow creeper, Bridal Bouquet, Christmas Vine, Family: Convolvulaceae )
- Poranopsis paniculata, Porana paniculata (Christmas Vine, Bridal Bouquet, Snow Creeper, Family: Convolvulaceae )
- Porlieria lorentzii, Guaiacum microphyllum (Guayacan, Family: Zygophyllaceae )
- Porphyrocoma pohliana, Justicia pohliana, Justicia scheidweileri (Purple Shrimp, Blue Shrimp, Rose Pine Cone, Jade Magic, Brazilian Fireworks Plant, Family: Acanthaceae )
- Portlandia albiflora (White Horse Flower, Tree Lily, Family: Rubiaceae )
- Portlandia coccinea (Pink Bell Flower, Tree Lily, Family: Rubiaceae )
- Portlandia grandiflora (Bell Flower, Glorious Flower of Cuba, White Horse Flower, Tree Lily, Family: Rubiaceae )
- Portlandia platantha, Portlandia latifolia (Dwarf Bell Flower, White horse flower, Tree Lily, Family: Rubiaceae )
- Portlandia sp. (Bell Flower, Family: Rubiaceae )
- Portulaca grandiflora (Moss rose, Perslane, Purslane, Family: Portulacaceae )
- Portulaca molokiniensis (Hawaiian Portulaca, 'Ihi, Family: Portulacaceae )
- Portulaca oleracea (Common Purslane, Family: Portulacaceae )
- Portulaca werdermannii (Eleven hours Purslane, Family: Portulacaceae )
- Portulacaria afra (Elephant's Food, Elephant Bush, Baby Jade, Crassula Portulacaria, Family: Didiereaceae )
- Posoqueria latifolia, Gardenia suaveolens, Oxyanthus isthmia, Posoqueria decora, Posoqueria insignis, Posoqueria lucida (Monkey Apple, Needle Flower Tree, Family: Rubiaceae )
- Posoqueria longiflora, Posoqueria trinitatis (Jazmin de Embarcadero, Needle Flower Tree, Family: Rubiaceae )
- Posoqueria maxima (Giant Needleflower, Family: Rubiaceae )
- Pothos sp. (Pothos, Family: Araceae )
- Poupartia borbonica (Bois de Poupart, Family: Anacardiaceae )
- Pourouma cecropiifolia, Pourouma multifida (Amazon Grape, Amazon Tree-grape, Uvilla, Family: Urticaceae )
- Pouteria caimito (Abiu, Abu, Caimito, Family: Sapotaceae )
- Pouteria campechiana (Canistel, Eggfruit, Chesa, Family: Sapotaceae )
- Pouteria gardneriana, Pouteria suavis (Abuai, Aguay guazú, Family: Sapotaceae )
- Pouteria hypoglauca (Cinnamon Apple , Family: Sapotaceae )
- Pouteria multiflora (Broadleaved Lucuma, Chocky Apple, Jacana, Family: Sapotaceae )
- Pouteria sapota (Mamey, Mamey Sapote, Family: Sapotaceae )
- Pouteria sp. (Ross Sapote, Family: Sapotaceae )
- Pouteria viridis, Calocarpum viride (Green Sapote, Family: Sapotaceae )
- Pradosia sp. (Pradosia, Family: Sapotaceae )
- Premna obtusifolia (Buas buas, Headache Tree, Family: Lamiaceae )
- Premna odorata, Premna pubescens (Fragrant Premna, Alagaw, Family: Verbenaceae )
- Premna serratifolia (PLa Cach, Family: Lamiaceae )
- Prestonia mollis (Babeiro, Family: Apocynaceae )
- Prestonia sp. (Prestonia, Family: Apocynaceae )
- Primula sp. (Primrose, Family: Primulaceae )
- Primulina sp. (Primulina, Family: Gesneriaceae )
- Pritchardia pacifica (Fiji Fan Palm, Family: Arecaceae / Palmae )
- Proboscidea louisianica, Martynia louisiana, Martynia proboscidea (Devil's Claw, Unicorn Plant, Ram's Horn, Family: Martyniaceae )
- Proiphys amboinensis (Cardwell Lily, Northern Christmas Lily, Family: Amaryllidaceae )
- Prosopis juliflora (Velvet mesquite, Family: Fabaceae )
- Prostanthera sp. (Mint Bush, Family: Lamiaceae )
- Prostanthera sp., Variety/cultivar: 'Poorinda Ballerina' (Mint Bush, Family: Lamiaceae )
- Prosthechea cochleata, Encyclia cochleata (Cockle Orchid, Family: Orchidaceae )
- Prosthechea fragrans, Encyclia fragrans, Anacheilium fragrans (Encyclia Orchid, Family: Orchidaceae )
- Prosthechea prismatocarpa, Encyclia prismatocarpa, Panarica prismatocarpa (Appendage Orchid, Prismatic Seed Pod Encyclia, Family: Orchidaceae )
- Protea lanceolata (Lanceleaf Sugarbush , Family: Proteaceae )
- Protea punctata (Water Sugarbush, Family: Proteaceae )
- Protea repens (Common Sugarbush, Family: Proteaceae )
- Protea roupelliae (Silver sugarbush, Family: Proteaceae )
- Protea sp. (Sugarbush, Family: Proteaceae )
- Prunus armeniaca, Amygdalus armeniaca (Apricot, Family: Rosaceae )
- Prunus avium (Wild Cherry, Sweet Cherry, Family: Rosaceae )
- Prunus campanulata (Taiwan Cherry, Formosan Cherry, Family: Rosaceae )
- Prunus cerasifera, Prunus divaricata (Cherry Plum, Myrobalan Plum, St. Lukes Flowering Plum, Family: Rosaceae )
- Prunus cerasoides (Himalayan flowering cherry, Family: Rosaceae )
- Prunus dulcis, Prunus amygdalus, Amygdalus communis (Almond, Family: Rosaceae )
- Prunus glandulosa, Prunus japonica, Cerasus glandulosa (Chinese Bush Cherry, Chinese Plum, Korean Cherry, Dwarf Flowering Almond, Family: Rosaceae )
- Prunus ilicifolia (Hollyleaf Cherry, Evergreen Cherry, Family: Rosaceae )
- Prunus laurocerasus (Cherry Laurel, Family: Rosaceae )
- Prunus persica, Variety/cultivar: nectarina (Nectarine, Family: Rosaceae )
- Prunus persica, Amygdalus persica (Peach, Family: Rosaceae )
- Prunus salicifolia, Prunus serotina var. salicifolia (Capulin, Family: Rosaceae )
- Prunus serrula (Tibetan Cherry, Paperbark Cherry, Family: Rosaceae )
- Prunus serrulata, Variety/cultivar: Sato-zakura Group (Japanese Cherry, Sakura, Family: Rosaceae )
- Prunus tomentosa (Nanking Cherry, Family: Rosaceae )
- Prunus webbii, Amygdalus webbii (Wild Almond tree , Family: Rosaceae )
- Prunus x domestica (Plum, Family: Rosaceae )
- Prunus x yedoensis, Cerasus x yedoensis (Yoshino cherry, Family: Rosaceae )
- Psammisia sp. (Psammisia, Family: Ericaceae )
- Pseudanamomis umbellulifera, Myrtus umbellulifera (Monos plum, Ciruelas, Family: Myrtaceae )
- Pseuderanthemum alatum (Chocolate Plant, Family: Acanthaceae )
- Pseuderanthemum carruthersii, Variety/cultivar: 'Variegatum' (Variegated False Eranthemum, Family: Acanthaceae )
- Pseuderanthemum carruthersii, Variety/cultivar: Rubrum (Iguana Mia, Black-Purple-Green Varnish, Family: Acanthaceae )
- Pseuderanthemum carruthersii , Variety/cultivar: atropurpureum (Purple False Eranthemum, Family: Acanthaceae )
- Pseuderanthemum graciflorum, Pseuderanthemum graciliflorum, Pseuderanthemum andersonii (Blue Twilight, Blue Crossandra, Florida Twilight, Family: Acanthaceae )
- Pseuderanthemum laxiflorum (Shooting Star, Star Flower, Furple False Erantheum, Dazzler, Family: Acanthaceae )
- Pseuderanthemum reticulatum (Yellow-Vein Eranthemum, Golden Pseuderanthemum, Family: Acanthaceae )
- Pseuderanthemum seticalyx (Shooting star, Australian Nerve Flower, Family: Acanthaceae )
- Pseuderanthemum sp. (Shooting Star, Family: Acanthaceae )
- Pseudobombax ellipticum, Bombax ellipticum (Shaving Brush Tree, Family: Malvaceae )
- Pseudobombax marginatum (Peroto del Monte, Family: Malvaceae )
- Pseudogynoxys chenopodioides, Senecio confusus (Mexican Flame Vine, Orangeglow Vine, Family: Asteraceae )
- Pseudolachnostylis maprouneifolia (Kudu Berry, Family: Phyllanthaceae )
- Pseudolithos migiurtinus, Pseudolithos sphaericus (Pseudolithos, Family: Apocynaceae )
- Pseudomussaenda flava, Mussaenda lutea, Mussaenda luteola, Mussaenda glabra, Mussaenda incana (Dwarf Yellow Mussaenda, Family: Rubiaceae )
- Pseudophoenix sargentii, Pseudophoenix saonae, Pseudophoenix vinifera (Buccaneer Palm, Cherry Palm, Family: Arecaceae / Palmae )
- Pseudorhipsalis amazonica, Wittia Amazonica, Disocactus amazonicus, Wittiocactus amazonicus (Purple Rhipsalis, Blue Flame, Family: Cactacea )
- Pseudorhipsalis ramulosa, Rhipsalis ramulosa, Variety/cultivar: angustissima (Red Rhipsalis, Family: Cactaceae )
- Pseudospondias microcarpa (African Grape, Family: Anacardiaceae )
- Psidium angulatum (Brazilian Guava, Araca Pera, Bayabas , Family: Myrtaceae )
- Psidium cattleyanum, Psidium littorale (Cattley Guava, Sand Plum, Strawberry Guava, Family: Myrtaceae )
- Psidium friedrichsthalianum (Costa Rica Cas Fruit, Cas Guava, Family: Myrtaceae )
- Psidium guajava, Variety/cultivar: Nana (Dwarf Guava, Family: Myrtaceae )
- Psidium guajava (Tropical Guava, Guajava, Family: Myrtaceae )
- Psidium guajava, Variety/cultivar: variegata (Honeymoon Guava, Honey Moon, Variegated Guajava, Family: Myrtaceae )
- Psilanthus bengalensis (Paracoffea, Family: Rubiaceae )
- Psilotum nudum, Psilotum triquetrum (Whisk Fern, Skeleton Fork Fern, Family: Psilotaceae )
- Psittacanthus sp. (Psittacanthus, Family: Loranthaceae )
- Psophocarpus tetragonolobus (Wing bean, Winged bean, Family: Fabaceae )
- Psoralea pinnata (Blue butterfly-bush, Blue Pea, Family: Fabaceae )
- Psychopsis papilio (Butterfly Orchid, Family: Orchidaceae )
- Psychotria ankasensis (Psychotria, Family: Rubiaceae )
- Psychotria capensis (Black Bird-Berry, Bird-Berry, Bastard Lemonwood, Lemon Bush, Family: Rubiaceae )
- Psychotria carthagenensis, Psychotria alba (Amyruca, Family: Rubiaceae )
- Psychotria dolichocalix (Wild coffee, Family: Rubiaceae )
- Psychotria ipecacuanha, Cephaelis ipecacuanha (Ipecacuanha, Family: Rubiaceae )
- Psychotria kirkii (Psychotria, Family: Rubiaceae )
- Psychotria nervosa, Psychotria ligustrifolia, Psychotria lanceolata, Psychotria nervosa var. lanceolata, Psychotria portoricensis, Psychotria undata (Wild Coffee, Bahama Coffee, Seminole Balsamo, Family: Rubiaceae )
- Psychotria poeppigiana, Palicourea tomentosa (Hot Lips, Labios Ardientes, Family: Rubiaceae )
- Psychotria sp. (Psychotria, Family: Rubiaceae )
- Psychotria sulzneri, Psychotria tenuifolia (Dull Wild Coffee, Velvet-leaved Wild Coffee, Family: Rubiaceae )
- Psychotria viridiflora (Family: Rubiaceae )
- Psychotria viridis (Chacruna, Amiruca Panga, Sami Ruca, Reinha, Folha, Chacrona, Family: Rubiaceae )
- Ptaeroxylon obliquum (Sneezewood, Nieshout, Family: Rutaceae )
- Ptelea trifoliata (Hop Tree, Wafer Ash, Stinking Ash, Family: Rutaceae )
- Pteris cretica (Cretan Brake, Table Fern , Family: Pteridaceae )
- Pteris ensiformis (Silver Lace Fern, Slender Brake Fern , Family: Pteridaceae )
- Pteris nipponica (Japanese Pteris, Family: Pteridaceae )
- Pterocarpus indicus (Narra, Family: Fabaceae )
- Pterocarpus macrocarpus (Gum-Kino Tree, Burma Padauk, Mai Pradoo, Pradu, Family: Fabaceae )
- Pterocarya fraxinifolia (Caucasian Wingnut, Family: Juglandaceae )
- Pterocelastrus tricuspidatus (Candlewood, Cherrywood, Family: Celastraceae )
- Pterodiscus ngamicus (Pterodiscus, Family: Pedaliaceae )
- Pterospermum acerifolium (Dinnerplate Tree, Family: Malvaceae )
- Pterospermum diversifolium (Pterospermum, Family: Malvaceae )
- Pterospermum grandiflorum (Large Flowering Pterospermum, Duck's Foot, Family: Malvaceae )
- Pterygota alata, Sterculia alata (Buddha Coconut , Family: Malvaceae )
- Ptilotus exaltatus (Pink Mulla Mulla, Lamb, Family: Amaranthaceae )
- Ptychosperma elegans (Solitaire Palm, Family: Arecaceae / Palmae )
- Ptychosperma macarthurii (Macarthur Palm, Macarthur Feather Palm, Family: Arecaceae / Palmae )
- Ptychosperma sp. (Ptychosperma, Family: Arecaceae / Palmae )
- Pueraria sp. (Puero, Kudzu, Family: Fabaceae )
- Pultenaea flexilis (Fragrant Pultenaea, Graceful Bush Pea, Family: Fabaceae )
- Punica granatum, Variety/cultivar: Nana (Dwarf Pomegranate, Family: Lythraceae )
- Punica granatum (Pomegranate, Granada, Grenade, Pomegranate, Granada, Anar, Granaatappel, Pomo Granato, Romeira, Melo Grano, Family: Lythraceae )
- Punica granatum, Variety/cultivar: Flore Pleno (Flowering Pomegranate, Noshi Shibari, Double Flower Pomegranate, Family: Lythraceae )
- Purshia stansburyana, Cowania stansburiana, Cowania mexicana (Stansbury's Cliffrose, Family: Rosaceae )
- Putranjiva roxburghii, Drypetes roxburghii (Officinal Drypetes, Child Life Tree, Family: Putranjivaceae )
- Puya alpestris, Pitcairnia alpestris (Sapphire Tower, Family: Bromeliaceae )
- Pyracantha sp. (Firethorn, Family: Rosaceae )
- Pyrenacantha malvifolia (Monkey Chair, Family: Icacinaceae )
- Pyrostegia venusta, Pyrostegia ignea, Bignonia venusta (Flame vine, golden shower, orange trumpet vine, Hua Pala Vine, Family: Bignoniaceae )
- Pyrrosia lanceolata, Acrostichum lanceolatum (Pyrrosia, Family: Polypodiaceae )
- Pyrrosia longifolia (Long Felt Fern, Family: Polypodiaceae )
- Pyrrosia piloselloides (Sakat Ribu-Ribu, Sisik Naga, Family: Polypodiaceae )
- Pyrus sp. (Southern Pear, Family: Rosaceae )
- Quaqua mammillaris, Stapelia mammillaris (Quaqua, Family: Apocynaceae )
- Quararibea cordata, Matisia cordata (Chupa-chupa, Zapote Chupachupa, South American Sapote, Family: Malvaceae )
- Quararibea funebris (Rosita de Cacao, Cabezona, Molinillo, Funeral Tree, Family: Malvaceae )
- Quassia amara (Amargo, Bitter Ash, Bitterwood, Family: Simaroubaceae )
- Quercus suber (Cork Oak, Family: Fagaceae )
- Quiabentia verticillata, Quiabentia pereziensis, Pereskia verticillata (Quiabentia, Family: Cactaceae )
- Quiabentia zehntneri, Pereskia zehntneri (Quiabento, Family: Cactaceae )
- Quillaja brasiliensis (Palo Jabon, Family: Rosaceae )
- Quillaja saponaria (Soap Bark Tree, Soapbark, Family: Quillajaceae )
- Radermachera gigantea, Radermachera elmeri (Radermachera Elmeri, Family: Bignoniaceae )
- Radermachera hainanensis (Golden Tree Jasmine, Family: Bignoniaceae )
- Radermachera ignea (Tree Jasmine, Peep Thong, Family: Bignoniaceae )
- Radermachera Kunming (Dwarf Tree Jasmine, Peep Thong, Family: Bignoniaceae )
- Radermachera sinica, Stereospermum sinicum (China Doll, Serpent Tree, Crystal Doll, Family: Bignoniaceae )
- Radermachera sp. (Tree Jasmine, Family: Bignoniaceae )
- Randia aculeata (White Indigoberry, Family: Rubiaceae )
- Randia formosa, Mussaenda formosa, Randia mussaenda, Rosenbergiodendron formosum (Blackberry Jam Fruit, Jasmin de rosa, Family: Rubiaceae )
- Randia maculata, Randia longiflora, Rothmannia longiflora (Terompet Gading, Family: Rubiaceae )
- Randia siamensis, Oxyceros horridus (Fragrant randia, Family: Rubiaceae )
- Randia sp. (Gardenia Star of Africa, Family: Rubiaceae )
- Randia sp., Variety/cultivar: 'Joseph Fondeur' (Randia, Family: Rubiaceae )
- Ranunculus asiaticus (Persian Buttercup, Family: Ranunculaceae )
- Ranunculus sp. (Buttercup, Family: Ranunculaceae )
- Raphanus sativus (Daikon, Winter Radish, Oriental Radish, Long White Radish, Family: Brassicaceae )
- Raphionacme flanaganii (Raphionacme , Family: Apocynaceae )
- Raphionacme longifolia (Raphionacme , Family: Apocynaceae )
- Raphionacme procumbens (Raphionacme, Family: Apocynaceae )
- Rauvolfia kamarora (Pule Pandak, Family: Apocynaceae )
- Rauvolfia serpentina (Indian Snakeroot, Sarpagandha, Family: Apocynaceae )
- Rauvolfia tetraphylla (Be Still Tree, Family: Apocynaceae )
- Rauvolfia verticillata, Cerbera chinensis, Dissolaena verticillata, Ervatamia ophiorhizoides, Rauvolfia yunnanensis, Tabernaemontana densiflora (Devil Pepper, Family: Apocynaceae )
- Rauwenhoffia siamensis, Melodorum siamensis (Rauwenhoffia, Family: Annonaceae )
- Ravenala madagascariensis (Travelers Palm, Family: Strelitziaceae )
- Ravenea rivularis, Ravenea glauca (Majesty Palm, Family: Arecaceae / Palmae )
- Ravenia spectabilis, Lemonia spectabilis (Limonia, Ravenia Pink, Family: Rutaceae )
- Rehmannia elata (Chinese Foxglove, Family: Orobanchaceae )
- Reinwardtia indica (Golden girl, Yellow flax, Family: Linaceae )
- Renanthera sp. (Fireworks orchid, Family: Orchidaceae )
- Renealmia cernua (Red Renealmia, Family: Zingiberaceae )
- Retama raetam, Genista raetam (White Weeping Broom , Family: Fabaceae )
- Retama sphaerocarpa, Lygos sphaerocarpa (Retama, Family: Fabaceae )
- Rhabdadenia biflora (Mangrove Vine, Rubber Vine, Family: Apocynaceae )
- Rhaphidophora celatocaulis, Pothos celatocaulis (Shingle Plant , Family: Araceae )
- Rhaphidophora cryptantha (Shingle Plant, Family: Araceae )
- Rhaphidophora decursiva (Creeping Philodendron, Family: Araceae )
- Rhaphidophora sp. (Rhaphidophora, Family: Araceae )
- Rhaphidophora tetrasperma (Mini Monstera, Dwarf Monstera, Monstera Ginny, Family: Araceae )
- Rhaphiolepis indica (India Hawthorn, Family: Rosaceae )
- Rhaphiolepis sp. (Yeddo Hawthorn, Family: Rosaceae )
- Rhaphiolepis umbellata, Rhaphiolepis indica var. umbellata (Yeddo Hawthorn, Family: Rosaceae )
- Rhapis excelsa (Lady Palm, Family: Arecaceae / Palmae )
- Rhapis multifida (Finger Palm, Family: Arecaceae / Palmae )
- Rheedia aristata, Rheedia macrophylla (Cuban Mangosteen, Garcinia, Family: Clusiaceae / Guttiferae )
- Rheedia brasiliensis, Rheedia laterifolia, Garcinia laterifolia (Bakupari, Camboriu, Family: Clusiaceae / Guttiferae )
- Rheedia edulis, Garcinia intermedia, Calophyllum edule (Monkey Fruit, Sastra, Cherry Mangosteen, Lemon Drop Mangosteen, Family: Clusiaceae / Guttiferae )
- Rheedia longifolia (Charichuela, Bacuri Azedo, Sour Bacuri, Bumpy Lemon, Garcinia, Family: Clusiaceae / Guttiferae )
- Rheedia madruno (Madrono, Madrone, Bakupari, Garcinia, Family: Clusiaceae / Guttiferae )
- Rheedia puertoricensis (Reedia, Garcinia, Family: Clusiaceae / Guttiferae )
- Rhigozum sp. (Yellow Pomegranate, Western Rhigozum, Short Thorn Pomegranate, Family: Bignoniaceae )
- Rhinacanthus nasutus (Dainty Spurs, Family: Acanthaceae )
- Rhipsalis agudoensis (Rhipsalis, Family: Cactaceae )
- Rhipsalis sp. (Mistletoe, Family: Cactaceae )
- Rhipsalis x pilocarpa (Hairy Stemmed Jungle Cactus, Hairy-fruited Wickerware Cactus Fern, Family: Cactaceae )
- Rhizophora mangle (Red Mangrove, Family: Rhizophoraceae )
- Rhodocactus grandifolius, Pereskia grandifolia, Pereskia grandiflora (Rose Cactus, Wax Rose, Perescia, Bastard Rose, Family: Cactaceae )
- Rhodochiton atrosanguineum (Purple Bell Vine, Family: Plantaginaceae )
- Rhododendron arborescens (Smooth Azalea, Family: Ericaceae )
- Rhododendron austrinum (Florida Azalea, Orange Azalea, Family: Ericaceae )
- Rhododendron canescens (Wild Honeysuckle, Piedmont Azalea, Hoary Azalea, Family: Ericaceae )
- Rhododendron forrestii (Azalea, Family: Ericaceae )
- Rhododendron hippophaeoides (Hippophaeoides Rhododendron, Family: Ericaceae )
- Rhododendron impeditum (Dwarf Rhododendron, Family: Ericaceae )
- Rhododendron kiusianum (Kyushu azalea, Family: Ericaceae )
- Rhododendron laetum (Vireya Rhododendron, Family: Ericaceae )
- Rhododendron lochiae (Australian Rhododendron, Family: Ericaceae )
- Rhododendron luteum (Yellow azalea, Honeysuckle Azalea, Family: Ericaceae )
- Rhododendron orbiculare (Round-leaved Rhododendron, Family: Ericaceae )
- Rhododendron racemosum (Rock Rose, Racemose Rhododendron, Family: Ericaceae )
- Rhododendron sect. Vireya (Vireya Rhododendron, Family: Ericaceae )
- Rhododendron sp., Variety/cultivar: 'Rhododendron sp.' (Azalea 'Freya', Family: Ericaceae )
- Rhododendron sp., Variety/cultivar: 'Rhododendron sp.' (Azalea 'Pallas', Family: Ericaceae )
- Rhododendron sp., Variety/cultivar: White (White Rhododendron, Family: Ericaceae )
- Rhododendron sp., Azalea sp. (Rhododendron, Family: Ericaceae )
- Rhododendron stenopetalum, Variety/cultivar: 'Linearifolium' (Spider Azalea, Family: Ericaceae )
- Rhododendron vaseyi (Pinkshell Azalea, Family: Ericaceae )
- Rhododendron williamsianum (Williamsianum rhododendron, Family: Ericaceae )
- Rhodohypoxis baurii (Rose Grass, Family: Hypoxidaceae )
- Rhodoleia championii (Hong Kong Rose, Family: Hamamelidaceae )
- Rhodomyrtus tomentosa, Myrtus canescens, Myrtus tomentosa, Rhodomyrtus parviflora (Rose Myrtle, Downy Myrtle, Family: Myrtaceae )
- Rhodosphaera rhodanthema (Deep Yellowwood, Yellow Cedar, Tulip Satinwood, Family: Anacardiaceae )
- Rhodotypos scandens (Black Jetbead, Family: Rosaceae )
- Rhoicissus tomentosa, Cissus tomentosa, Cissus capensis (Cape Grape, Family: Vitaceae )
- Rhus batophylla (Redberry Rhus , Grey Rhus, Family: Anacardiaceae )
- Rhus dentata, Searsia dentata (Nana-Berry, Family: Anacardiaceae )
- Rhus glabra (Smooth Sumac, Family: Anacardiaceae )
- Rhus integrifolia (Lemonade Berry, Lemonade Sumac, Family: Anacardiaceae )
- Rhus ovata (Sugar Bush, Chaparral Sumac, Family: Anacardiaceae )
- Rhus sp. (Sumac, Family: Anacardiaceae )
- Rhus typhina (Staghorn Sumac, Family: Anacardiaceae )
- Rhynchoglossum sp. (Rhynchoglossum, Family: Gesneriaceae )
- Rhynchostylis sp. (Foxtail Orchid, Family: Orchidaceae )
- Rhytidophyllum tomentosum, Gesneria tomentosa (Hairy Gesneria, Family: Gesneriaceae )
- Ribes viburnifolium (Catalina Currant, Island Gooseberry, Evergreen Currant, Family: Grossulariaceae )
- Richardia grandiflora, Richardia brasiliensis (Largeflower Mexican Clover, Largeflower Pusley, Family: Rubiaceae )
- Ricinus communis (Castorbean, Castor Oil plant, Palma Christi, Ricin, Wonder tree, Krapata, Family: Euphorbiaceae )
- Riedelia coralina, Riedelia corallina (Coral Ginger Borneo Pink, Family: Zingiberaceae )
- Riocreuxia sp. (Candle-wine, Family: Apocynaceae )
- Rivina humilis (Bloodberry, Rouge Plant, Baby Pepper,Pigeonberry, Coralito, Inkberry, Small Pokeweed, Family: Phytolaccaceae )
- Robinia sp. (Locust, Family: Fabaceae )
- Rodgersia aesculifolia (Fingerleaf Rodgersia, Family: Saxifragaceae )
- Rodgersia podophylla, Astilbe podophylla (Rodger's bronze-leaf, Family: Saxifragaceae )
- Roldana petasitis, Senecio petasitis (Velvet Groundsel, California Geranium, Family: Asteraceae )
- Rollinia deliciosa, Rollinia mucosa (Biriba, Rollinia, Family: Annonaceae )
- Romneya coulteri (Matilija Poppy, California Tree Poppy , Family: Papaveraceae )
- Rondeletia leucophylla, Arachnothryx leucophylla (Panama Rose, Bush Pentas, Family: Rubiaceae )
- Rondeletia odorata, Rondeletia speciosa, Rondeletia coccinea (Panama Rose, Family: Rubiaceae )
- Rosa banksiae (Lady Banks Rose, Rambling Rose, Family: Rosaceae )
- Rosa hugonis (Father Hugo Rose, Golden Rose of China, Family: Rosaceae )
- Rosa sp. , Variety/cultivar: single flower (Wild Rose, Family: Rosaceae )
- Rosa sp., Variety/cultivar: double flower (Rose, Family: Rosaceae )
- Roscoea sp. (Roscoea, Family: Zingiberaceae )
- Rosenbergiodendron longiflorum, Randia ruiziana, Randia formosa var. longiflora, Gardenia longiflora (Angel of the Night, Family: Rubiaceae )
- Rotheca hirsuta, Clerodendrum hirsutum, Clerodendrum natalense (Cat's Whiskers, Family: Lamiaceae )
- Rotheca microphylla, Clerodendrum incisum, Clerodendrum macrosiphon, Rotheca incisa, Rotheca incisafolia (Musical Note, Morning Kiss, Clerodendron, Witches Tongue, Family: Lamiaceae )
- Rotheca myricoides, Clerodendrum ugandense (Butterfly Clerodendrum, Blue Butterfly Bush, Blue Glory Bower, Blue Wings, Family: Lamiaceae )
- Rothmannia capensis (Wild gardenia, Common Rothmannia, Family: Rubiaceae )
- Rothmannia globosa (Rothmania, September Bells, Bell Gardenia, Family: Rubiaceae )
- Rothmannia wittii (Witt's Bell Gardenia, Family: Rubiaceae )
- Rovaeanthus strigosus, Rondeletia strigosa (Panama Rose, Family: Rubiaceae )
- Roystonea elata, Roystonea oleracea, Roystonea regia (Florida Royal Palm, Family: Arecaceae / Palmae )
- Rubus caesius (Blackberry, Dewberry, Family: Rosaceae )
- Rubus fruticosus (Blackberry, Dewberry , Family: Rosaceae )
- Rubus idaeus (Tropical Raspberry, Heritage Red Raspberry, Family: Rosaceae )
- Rubus illecebrosus, Rubus sorbifolius, Rubus yakusimensis (Balloon Berry, Strawberry Raspberry, Japanese Raspberry, Family: Rosaceae )
- Rubus laciniatus (Cutleaf Evergreen Blackberry, Family: Rosaceae )
- Rubus niveus, Rubus albescens (Mysore Raspberry, Ceylon Raspberry,Hill Raspberry, Family: Rosaceae )
- Rubus odoratus (Purple-flowering Raspberry, Family: Rosaceae )
- Rubus sanctus, Rubus ulmifolius subsp. sanctus (Holy Bramble, Burning Bush of the Bible, Family: Rosaceae )
- Rubus sp. (Raspberrie, Blackberrie, Dewberrie, Family: Rosaceae )
- Rubus sp. (Brazos Blackberry, Black Raspberry, Family: Rosaceae )
- Rubus ulmifolius (Elmleaf Blackberry, Family: Rosaceae )
- Rudbeckia sp. (Black-eyed Susan, Coneflower, Family: Asteraceae )
- Ruellia affinis, Ruellia elegans (Red Ruellia, Flower of Caipora, Rio Red Ragin Cajin Ruellia, Family: Acanthaceae )
- Ruellia chartacea, Ruellia colorata (Colorama, Family: Acanthaceae )
- Ruellia devosiana (Brazilian Wild Petunia, Family: Acanthaceae )
- Ruellia elegans (Red ruellia, Family: Acanthaceae )
- Ruellia macrantha (Christmas Pride ruellia, Family: Acanthaceae )
- Ruellia makoyana, Dipteracanthus makoyanus, Dipteracanthus devosianus (Monkey flower, Monkey Plant, Trailing Velvet Plant, Family: Acanthaceae )
- Ruellia multisetosa, Suessenguthia multisetosa (Columbian Petunia, Family: Acanthaceae )
- Ruellia nudiflora (Violet Ruellia, Longneck Ruellia , Family: Acanthaceae )
- Ruellia peninsularis (Desert Ruellia, Family: Acanthaceae )
- Ruellia portellae (Ruellia, Family: Acanthaceae )
- Ruellia rosea (Pink Ruellia, Red Ruellia, Family: Acanthaceae )
- Ruellia simplex, Ruellia brittoniana (Mexican petunia, Mexican Blue Bell, Family: Acanthaceae )
- Ruellia sp. (Ruellia, Wild Petunia, Family: Acanthaceae )
- Ruellia squarrosa (Ruellia, Water Bluebell, Family: Acanthaceae )
- Ruellia tuberosa (Minnieroot, Waterkanon, Family: Acanthaceae )
- Ruizia cordata, Ruizia diversifolia, Ruizia laciniata, Ruizia lobata, Ruizia palmata, Ruizia variabilis (Ruizia, Family: Malvaceae )
- Ruprechtia coriacea (Ruprechtia, Family: Polygonaceae )
- Ruprechtia salicifolia (Viraro, Family: Polygonaceae )
- Ruspolia hypocrateriformis (Ruddy Rose, Pricklybush, Family: Acanthaceae )
- Russelia campechiana (Purple Russelia, Family: Plantaginaceae )
- Russelia equisetiformis (Firecracker Fern, Coral Plant, Family: Plantaginaceae )
- Russelia sarmentosa (Leafy Coral Blow, Family: Plantaginaceae )
- Ruta chalepensis (Fringed Rue, Family: Rutaceae )
- Ruta graveolens (Ruda, Meadow Rue, Herb of Grace, Garden Rue, Herbygrass, Weinkraut, Family: Rutaceae )
- Ruttya fruticosa, Variety/cultivar: Yellow (Rabbits ears, Family: Acanthaceae )
- Ruttya fruticosa, Variety/cultivar: Orange (Rabbit Ears, Orange Bird, Hummingbird plant, Family: Acanthaceae )
- Ruttya ovata (Ruttya, Family: Acanthaceae )
- Ruttya x ruspolia, X Ruttyruspolia (Ruddy Rose Pink, Pink Ruspolia , Family: Acanthaceae )
- Saba comorensis, Landolphia comorensis (Mbungu, White Rubber Vine, Vbundu, Family: Apocynaceae )
- Sabal causiarum (Puerto Rican Hat Palm, Family: Arecaceae / Palmae )
- Sabal minor, Sabal etonia (Blue Palm, Blue Palmetto, Dwarf Palmetto, Scrub Palm, Family: Arecaceae / Palmae )
- Sabal palmetto (Sabal Palm, Cabbage Palm, Family: Arecaceae / Palmae )
- Sabal sp. (Palmetto, Family: Arecaceae / Palmae )
- Sabal yapa (Bay Palmetto, Thatch Palm, Family: Arecaceae / Palmae )
- Saccharum officinarum (Sugar Cane, Family: Poaceae )
- Sacoglottis gabonensis, Aubrya gabonensis, Houmiri gabonensis (Sacoglottis, Family: Humiriaceae )
- Sagittaria lancifolia (Bulltongue Arrowhead, Family: Alismataceae )
- Sagittaria sagittifolia (Broadleaf Arrowhead, Family: Alismataceae )
- Saintpaulia ionantha (African violet, Family: Gesneriaceae )
- Salacca magnifica, Salacca zalacca (Salacca, Sala, Snake Fruit, Minor Salak, Family: Arecaceae / Palmae )
- Salacca wallichiana, Zalacca rumphii (Salak Kumbar, Sala, Family: Arecaceae / Palmae )
- Salacia lehmbachii (Salacia, Family: Celastraceae )
- Salix integra, Variety/cultivar: 'Hakuro-nishiki' (Japanese Variegated Willow, Nishiki Willow, Family: Salicaceae )
- Salpiglossis sinuata (Painted Tongue, Family: Solanaceae )
- Salvia argentea (Silver Sage, Silver Salvia, Hobbits Foot, Family: Lamiaceae )
- Salvia aurea (Brown Salvia, Beach Salvia, Dune Salvia, Golden Salvia, Family: Lamiaceae )
- Salvia coccinea (Red Salvia, Tropical Sage, Family: Lamiaceae )
- Salvia discolor (Andean Sage, Family: Lamiaceae )
- Salvia dolomitica (South African Sage, Family: Lamiaceae )
- Salvia elegans (Pineapple Sage, Pineapple Scented Sage, Family: Lamiaceae )
- Salvia farinacea (Mealy Sage, Family: Lamiaceae )
- Salvia guaranitica (Anise-scented Sage, Hummingbird Sage, Family: Lamiaceae )
- Salvia hispanica (Chia, Family: Lamiaceae )
- Salvia lanceolata (Rusty Sage, Lance-leaf Sage , Family: Lamiaceae )
- Salvia lanigera (Wooly Sage, Family: Lamiaceae )
- Salvia leucantha (Mexican Bush Sage, Mexican Sage, Velvet Sage, Family: Lamiaceae )
- Salvia longispicata x Salvia farinacea, Variety/cultivar: 'Indigo Spires' (Indigo Spires Salvia, Family: Lamiaceae )
- Salvia microphylla, Variety/cultivar: Hot Lips (Salvia Hot Lips, Hot Lips Littleleaf Sage, Family: Lamiaceae )
- Salvia nemorosa (Woodland Sage, Balkan Clary, Family: Lamiaceae )
- Salvia officinalis (Berggarten Sage, Garden Sage, Common Sage, Family: Lamiaceae )
- Salvia patens (Gentian Sage, Spreading Sage, Family: Lamiaceae )
- Salvia rosmarinus, Rosmarinus officinalis (Rosemary, Family: Lamiaceae )
- Salvia sclarea (Clary Sage, Europe Sage, Family: Lamiaceae )
- Salvia sp. (Garden Sage, Family: Lamiaceae )
- Salvia sp., Variety/cultivar: 'Salmia' (Flowering Sage Bush, Family: Lamiaceae )
- Salvia splendens (Scarlet Sage, Family: Lamiaceae )
- Salvia viridis (Annual Clary, Orval, Family: Lamiaceae )
- Samadera indica (Niepa Bark Tree, Family: Simaroubaceae )
- Samanea saman, Albizia saman, Pithecellobium saman (Monkeypod, Rain Tree, Cenizaro, Cow Tamarind, Family: Fabaceae )
- Sambucus sp. (Elder, Family: Adoxaceae )
- Samyda dodecandra (Cafecito, Guayabilla, Family: Salicaceae )
- Samyda pubescens (Kase Sek, Family: Salicaceae )
- Sanchezia munita (Amazonian Red Shrimp Plant, Family: Acanthaceae )
- Sanchezia speciosa, Sanchezia nobilis (Sanchezia, Fire Fingers, Family: Acanthaceae )
- Sanchezia stenomacra (Blood Red Feather, Family: Acanthaceae )
- Sandoricum koetjape, Sandoricum indicum (Santol, Kechapi, Lolly Fruit, Family: Meliaceae )
- Sannantha similis, Babingtonia similis (Babingtonia, Tall Baeckea, Family: Myrtaceae )
- Sannantha virgata, Baeckea virgata, Leptospermum virgatum (Baeckea, Family: Myrtaceae )
- Sansevieria ballyi (Dwarf Sansevieria, Family: Asparagaceae )
- Sansevieria dooneri (Dwarf Sansevieria, Family: Asparagaceae )
- Sansevieria gracilis (Snake Plant, Family: Asparagaceae )
- Sansevieria kirkii (Star Sansevieria, Spotted Snake Plant, Family: Asparagaceae )
- Sansevieria liberica, Sansevieria gentilis (Kaba Kara, Family: Asparagaceae )
- Sansevieria masoniana (Giant Variegated Whale Tail, Giant Snake Plant)
- Sansevieria sp. (Mother-in-law's Tongue, Devil's Tongue, Jinn's Tongue, Bow String Hemp, Snake Plant, Family: Asparagaceae )
- Sansevieria trifasciata (Birds Nest Sanseviera, Mother in Law Tong, Family: Asparagaceae )
- Santalum album (Sandalwood, Chandana, Family: Santalaceae )
- Santolina chamaecyparissus (Lavender Cotton, Family: Asteraceae )
- Santolina virens (Green Santolina, Family: Asteraceae )
- Sapindus detergens (Ritha, Soap Nut Tree, Family: Sapindaceae )
- Sapindus saponaria (Soapberry, Family: Sapindaceae )
- Saraca cauliflora, Saraca thaipingensis (Yellow Saraca Tree, Family: Fabaceae )
- Saraca declinata (Red Saraca, Red Ashoka, Sorrowless Tree, Family: Fabaceae )
- Saraca dives, Saraca chinensis (Sorrowless Tree, Birth Tree of Buddha, Family: Fabaceae )
- Saraca indica, Saraca asoca, Jonesia asoca (Ashoka Tree, Jonesia Asoka, Gandhapushpa, Sorrowless Tree, Family: Fabaceae )
- Saraca pierreana (Ashoka Tree, Family: Fabaceae )
- Saraca sp. (Saraca, Family: Fabaceae )
- Sarcocephalus latifolius, Nauclea latifolia (African Peach, Pin Cushion Tree , Family: Rubiaceae )
- Sarcochilus sp. (Sarcochilus, Family: Orchidaceae )
- Sarracenia sp. (Pitcher Plant, Family: Sarraceniaceae )
- Sarracenia wrigleyana (Scarlet belle pitcher plant, Family: Sarraceniaceae )
- Satureja montana (Winter Savory, Family: Lamiaceae )
- Satureja viminea (Kama Sutra Mint, Costa Rican / Jamaican Mint Tree, Family: Lamiaceae )
- Saurauia sp. (Saurauia, Family: Actinidiaceae )
- Sauromatum venosum, Typhonium venosum, Arum venosum (Voodoo Lily, Family: Araceae )
- Saururus cernuus (Lizard's Tail, Water-dragon, Swamp Root, Family: Saururaceae )
- Saxifraga stolonifera, Saxifraga sarmentosa (Strawberry Begonia, Strawberry Geranium, Roving Sailor, Mother of thousands , Family: Saxifragaceae )
- Scadoxus multiflorus, Haemanthus katherinae, Haemanthus multiflorus (Blood Lily, Sea Egg, Powder Puff, Family: Amaryllidaceae )
- Scadoxus puniceus (Paintbrush Lily, Family: Amaryllidaceae )
- Scaevola aemula (Blue wonder, Escabola, Fan flower, Family: Goodeniaceae )
- Scaevola taccada, Scaevola sericea (Naupaka kahakai, Sea Lettuce, Beach Plum, Beach Grape, Half Flower, Family: Goodeniaceae )
- Schaueria calycotricha, Schaueria flavicoma, Justicia flavicoma (Golden Plume, Family: Acanthaceae )
- Schefflera actinophylla, Brassaia actinophylla, Tupidanthus calyptratus (Umbrella Tree, Octopus Tree, Family: Araliaceae )
- Schefflera albidobracteata (Schefflera, Family: Araliaceae )
- Schefflera arboricola (Abicola, Arboricola, Trinette, Hawaiian Umbrella Tree, Hawaiian Elf Schefflera, Family: Araliaceae )
- Schefflera delavayi (Schefflera, Family: Araliaceae )
- Schefflera digitata (Umbrella Tree, Family: Araliaceae )
- Schefflera sp. (Schefflera, Brassaia, Dizygotheca, Heptapleurum, Family: Araliaceae )
- Schima wallichii (Schima, Family: Theaceae )
- Schinus lentiscifolius (Molle ceniciento, Family: Anacardiaceae )
- Schinus molle (Pink Pepper, Peruvian Pepper, Family: Anacardiaceae )
- Schinus polygamus (Chilean pepper-tree, Family: Anacardiaceae )
- Schinus terebinthifolius (Brazilian pepper-tree, Family: Anacardiaceae )
- Schinziophyton rautanenii, Ricinodendron rautanenii (Manketti Tree, Mongongo Nut, Feather Weight Tree, Family: Euphorbiaceae )
- Schisandra sp. (Magnolia Vine, Family: Schisandraceae )
- Schismatoglottis calyptrata, Schismatoglottis neoguineensis (Dukaruk, Family: Araceae )
- Schismatoglottis corneri (Schismatoglottis, Family: Araceae )
- Schismatoglottis moodii (Schismatoglottis, Family: Araceae )
- Schizanthus sp. (Butterfly Flower, Fringeflower, Poor-man's-orchid, Family: Solanaceae )
- Schizolobium parahyba (Brazilian Fern Tree, Brazilian Fire-Tree, Tower Tree, Family: Fabaceae )
- Schizophragma hydrangeoides (Japanese Hydrangea Vine, Japanese Climbing Hydrangea, Family: Hydrangeaceae )
- Schlegelia parasitica (Schlegelia, Family: Scrophulariaceae )
- Schlumbergera sp. (Orchid Cactus, Thanksgiving Cactus, Christmas Cactus, Easter Cactus, Crab Cactus, Family: Cactaceae )
- Schoenia cassiniana (Pink Everlasting, Family: Asteraceae )
- Schoenorchis gemmata (Schoenorchis, Family: Orchidaceae )
- Schotia afra (Karoo Boer-bean, Family: Fabaceae )
- Schotia brachypetala (Weeping Boer-bean, Huilboerboon, Tree Fuchsia, African Walnut, Family: Fabaceae )
- Schotia latifolia (Bush Boerbean, Family: Fabaceae )
- Schoutenia glomerata (Schoutenia, Family: Malvaceae )
- Schrebera alata (Khombva, Mulingwi, Mutwari, Wild Jasmine, Wingleaf Woodenpear, Family: Oleaceae )
- Scilla madeirensis (Madeiran Squill, Family: Asparagaceae )
- Scilla peruviana (Portuguese Squill, Giant Scilla, Family: Asparagaceae )
- Scindapsus pictus, Epipremnum pictum, Variety/cultivar: 'Argyraeus' (Satin Pothos, Silk Pothos, Silver Philodendron , Family: Araceae )
- Scindapsus treubii (Sterling Silver scindapsus, Family: Araceae )
- Sclerocarya birrea (Marula, Family: Anacardiaceae )
- Sclerochiton harveyanus (Blue Lips, Mazabuka, Family: Acanthaceae )
- Scutellaria costaricana (Skullcap, Family: Lamiaceae )
- Scutellaria sp. (Skullcap, Family: Lamiaceae )
- Sechium edule, Sicyos edule (Chayote, Chayote Squash, Vegetable Pear, Chaw Chaw, Family: Cucurbitaceae )
- Securidaca diversifolia, Elsota diversifolia (Easter Flower, Family: Polygalaceae )
- Securidaca longipedunculata (Violet Tree , Family: Polygalaceae )
- Securinega durissima (Hard Wood, Family: Euphorbiaceae )
- Sedum adolphi (Golden Sedum, Family: Crassulaceae )
- Sedum cauticola, Hylotelephium cauticola (Stonecrop, Family: Crassulaceae )
- Sedum dasyphyllum (Corsican Stonecrop, Blue Tears Sedum, Family: Crassulaceae )
- Sedum lineare (Carpet Sedum, Needle Stonecrop , Family: Crassulaceae )
- Sedum mexicanum (Mexican Sedum, Family: Crassulaceae )
- Sedum morganianum, Variety/cultivar: Burrito (Burro's Tail Sedum, Family: Crassulaceae )
- Sedum morganianum (Burro's Tail, Family: Crassulaceae )
- Sedum nussbaumerianum (Nussbaumer's Sedum, Family: Crassulaceae )
- Sedum rubrotinctum (Jelly Beans, Brown Beans, Christmas Cheer, Family: Crassulaceae )
- Sedum sieboldii (October Daphne, Stonecrop, Family: Crassulaceae )
- Sedum sp. (Stonecrop, Hylotelephium, Family: Crassulaceae )
- Sedum tetractinum (Chinese Sedum, Family: Crassulaceae )
- Seemannia purpurascens, Gloxinia purpurascens (Purple Seemannia, Family: Gesneriaceae )
- Seemannia sylvatica, Gloxinia sylvatica (Bolivian Sunset Gloxinia, Family: Gesneriaceae )
- Selaginella sp. (Spikemoss, Family: Selaginellaceae )
- Selenicereus chrysocardium, Epiphyllum chrysocardium, Marniera chrysocardium (Marniera, Fern Leaf, Family: Cactaceae )
- Selenicereus grandiflorus (Queen of the Night, Large-flowered Cactus, Sweet-Scented Cactus, Vanilla Cactus, Family: Cactaceae )
- Selenicereus hondurensis (Honduran Moon-Torch Cactus, Queen of the Night, Night Blooming Cereus, Family: Cactaceae )
- Selenicereus macdonaldiae (Queen of the Night, Family: Cactaceae )
- Selenicereus megalanthus (Pitaya, Pitahaya, Dragon Fruit, Strawberry Pear, Family: Cactaceae )
- Selenicereus pteranthus, Cereus pteranthus (Princess of the Night, Family: Cactaceae )
- Selenicereus setaceus, Hylocereus setaceus (Pineapple Cactus, Family: Cactaceae )
- Selenicereus sp. (Moonlight Cactus, Family: Cactaceae )
- Selenicereus wercklei, Cereus wercklei (Queen of the Night, Flor de la Luna, Family: Cactaceae )
- Sempervivum sp. (Houseleeks, Hen and Chicks, Family: Crassulaceae )
- Senecio angulatus (Creeping Groundsel, Family: Asteraceae )
- Senecio barbertonicus (Barberton Groundsel, Succulent Bush Senecio, Lemon Bean Bush, Family: Asteraceae )
- Senecio cineraria, Cineraria maritima, Jacobaea maritima (Dusty Miller, Silver Ragwort, Family: Asteraceae )
- Senecio fulgens, Kleinia fulgens (Orange thistle, Coral senecio, Family: Asteraceae )
- Senecio kleiniiformis (Spear Head, Family: Asteraceae )
- Senecio macroglossus (Flowering Ivy, Cape Ivy, Natal Ivy, Wax Vine, Family: Asteraceae )
- Senecio medley-woodii (Senecio, Family: Asteraceae )
- Senecio mikanioides, Delairea odorata (German Ivy, Cape Ivy, Water Ivy, Parlor Ivy, Family: Asteraceae )
- Senecio sp. (Senecio, Family: Asteraceae )
- Senegalia berlandieri, Acacia berlandieri (Guajillo Acacia, Texas Acacia, Family: Fabaceae )
- Senegalia greggii, Acacia greggii (Catclaw Acacia, Catclaw Mesquite, Gregg's Catclaw, Paradise Flower, Wait-a-minute Bush, Family: Fabaceae )
- Senegalia nigrescens (Knob Thorn, Family: Fabaceae )
- Senna alata, Cassia alata (Empress candle plant, Candle Bush, Carrion Crow Bush, Candlesticks, Candelabra Plant, Family: Fabaceae )
- Senna artemisioides , Variety/cultivar: sturtii (Grey Cassia, Family: Fabaceae )
- Senna artemisioides, Variety/cultivar: artemisioides (Dense senna, Grey Desert Senna, Family: Fabaceae )
- Senna bicapsularis, Cassia bicapsularis, Cassia sennoides (Butterfly Cassia, Butterfly Bush, Winter Cassia, Family: Fabaceae )
- Senna corymbosa, Cassia falcata (Southern Cassia, Flowery Senna, Argentina Senna, Family: Fabaceae )
- Senna floribunda, Cassia floribunda (Golden Showy Cassia, Devils Finger, Family: Fabaceae )
- Senna italica (Senegal Senna, Italian Senna, Port Royal Senna, Family: Fabaceae )
- Senna multijuga, Cassia multijuga (False Sicklepod, Family: Fabaceae )
- Senna oliogophylla (Outback Cassia, Family: Fabaceae )
- Senna pendula (Christmas senna, Family: Fabaceae )
- Senna polyphylla, Cassia biflora, Cassia microphylla,Cassia polyphylla, Cassia tenuissima, Peiranisia polyphylla (Desert Cassia, Family: Fabaceae )
- Senna sp., Cassia sp. (Cassia, Family: Fabaceae )
- Senna surattensis, Senna sulfurea, Cassia glauca, Cassia surattensis (Glaucous Cassia, Scrambled Egg Bush, Family: Fabaceae )
- Serenoa repens, Sabal serrulata (Saw Palmetto, Family: Arecaceae / Palmae )
- Serissa foetida, Serissa japonica, Serissa crassiramea (Tree of a Thousand Stars, Chinese Flowering White Serissa, Family: Rubiaceae )
- Sesbania grandiflora, Agati grandiflora (Hummingbird Tree, Butterfly Tree, Agati, Family: Fabaceae )
- Sesbania punicea, Sesbania tripetii, Daubentonia tripetii (Rattle Box Tree, Chinese Rattlebox, Rattlebush, Spanish Gold, Scarlet Wisteria, Red Sesbania, Family: Fabaceae )
- Sesbania sesban, Sesbania aegyptiaca (Egyptian Pea, Family: Fabaceae )
- Sesuvium portulacastrum (Shoreline Purslane, Family: Aizoaceae )
- Setaria palmifolia, Panicum palmifolium (Palmgrass, Highland Pitpit, Family: Poaceae )
- Shorea bracteolata (Meranti, Family: Dipterocarpaceae )
- Shorea robusta (Sal Tree, Sal, Salwa, Sakhu, Family: Dipterocarpaceae )
- Sicana odorifera, Cucurbita odorifera (Cassabanana, Family: Cucurbitaceae )
- Sida fallax (Yellow 'ilima, Family: Malvaceae )
- Siderasis fuscata (Brown Spiderwort, Bears Ears, Family: Commelinaceae )
- Sideroxylon sp. (Bully Tree, Manglier, Dodo Tree, Family: Sapotaceae )
- Silybum marianum, Carduus marianus (Mary Thistle, Milk Thistle, Family: Asteraceae )
- Simarouba glauca (Paradise-tree, Dysentery-bark, Bitterwood, Lakshmi Taru, Family: Simaroubaceae )
- Simira rubescens (Simira , Family: Rubiaceae )
- Simmondsia chinensis (Jojoba, Goatnut, Family: Simmondsiaceae )
- Sinningia leucotricha, Rechsteineria leucotricha (Brazilian Edelweiss, Family: Gesneriaceae )
- Sinningia sp. (Siningia, Family: Gesneriaceae )
- Sinofranchetia chinensis (Sinofranchetia, Family: Lardizabalaceae )
- Sinojackia rehderiana (Jacktree, Family: Styracaceae )
- Sinomenium acutum (Chinese Moonseed, Family: Menispermaceae )
- Siphonochilus sp. (Natal Ginger, Wild Ginger, Family: Zingiberaceae )
- Siphonodon celastrineus, Xanthophyllum subglobosum (Ma Duk, Family: Celastraceae )
- Sisyrinchium sp. (Blue-eyed Grass, Golden-eyed Grass, Yellow-eyed Grass, Family: Iridaceae )
- Skimmia sp. (Skimmia, Family: Rutaceae )
- Sloanea sp. (Sloanea, Family: Elaeocarpaceae )
- Smallanthus sonchifolius, Polymnia sonchifolia (Bolivian Sunroot, Yacon, Pear of the Earth, Family: Asteraceae )
- Sobralia sp. (Sobralia, Family: Orchidaceae )
- Socratea exorrhiza (Walking Palm, Cashapona, Family: Arecaceae / Palmae )
- Solandra grandiflora (Cup of Gold Vine, Chalice Vine, Family: Solanaceae )
- Solandra maxima, Solandra hartwegii, Solandra selerae (Butter Cup, Gold Cup, Chalice Vine, Cup-of-Gold, Trumpet Plant, Family: Solanaceae )
- Solanum aculeatissimum, Solanum capsicoides (Cockroach berry, Indian Love Apple, Soda Apple, Devils Apple, Family: Solanaceae )
- Solanum atropurpureum (Malevolence, Purple Devil, Family: Solanaceae )
- Solanum bahamense (Bahama Nightshade, Family: Solanaceae )
- Solanum betaceum, Cyphomandra crassicaulis, Cyphomandra betacea, Pionandra betacea, Solanum crassifolium (Tamarillo, Tree Tomato, Tomate Arbol, Family: Solanaceae )
- Solanum bonariense, Solanum grandiflorum (Granadillo, Family: Solanaceae )
- Solanum capsicastrum (Winter Cherry, False Jerusalem Cherry, Christmas Cherry, Family: Solanaceae )
- Solanum conocarpum (Marron Bacoba, Family: Solanaceae )
- Solanum diphyllum (Twoleaf nightshade, Family: Solanaceae )
- Solanum dulcamara (Bittersweet Nightshade, Climbing Nightshade, Family: Solanaceae )
- Solanum elaeagnifolium (Silverleaf Nightshade, Family: Solanaceae )
- Solanum gilo (Scarlet Eggplant, Gilo, Jilo, Family: Solanaceae )
- Solanum laciniatum (Kangaroo Apple, Family: Solanaceae )
- Solanum lasiophyllum (Flannel Bush, Native Tomato, Family: Solanaceae )
- Solanum laxum, Solanum jasminoides (White Potato Vine, Jasmine Nightshade, Family: Solanaceae )
- Solanum lycopersicum, Lycopersicon lycopersicum, Lycopersicon esculentum (Tomato, Family: Solanaceae )
- Solanum macranthum, Solanum wrightii (Giant Potato Tree, Family: Solanaceae )
- Solanum mammosum (Nipple Fruit, Tit Plant, Apple of Sodom, Terong Susu, Cows Udder, Nyun Wenkibobi, Soresumba, Mackaw Bush, Titty Fruit, Pig Face, Family: Solanaceae )
- Solanum mauritianum (Woolly Nightshade, Wild Tobacco Bush, Family: Solanaceae )
- Solanum melongena (Tropical Eggplant, Asian Eggplant, Family: Solanaceae )
- Solanum muricatum (Pepino Melon, Family: Solanaceae )
- Solanum pimpinellifolium, Lycopersicon pimpinellifolium (Currant Tomato, Family: Solanaceae )
- Solanum pyracanthum (Porcupine tomato, Family: Solanaceae )
- Solanum quitoense, Solanum angulatum (Naranjilla, Naranjillo, Lulo, Family: Solanaceae )
- Solanum rantonnetii, Lycianthes rantonnetii (Blue Solanum Shrub, Paraguay Nightshade, Family: Solanaceae )
- Solanum rostratum (Buffalobur Nightshade, Spiny Nightshade, Family: Solanaceae )
- Solanum seaforthianum (Brazilian Nightshade, St. Vincent Lilac, Glycine, Italian Jasmine, Potato Creeper, Family: Solanaceae )
- Solanum sisymbriifolium, Solanum balbisii (Sticky Nightshade, Litchi Tomato, Morelle de Balbis, Family: Solanaceae )
- Solanum sp. (Solanum, Family: Solanaceae )
- Solanum torvum (Turkeyberry, Devil's Fig, Family: Solanaceae )
- Solanum vespertilio (Tenerife Nightshade, Family: Solanaceae )
- Solanum viarum (Tropical Soda Apple, Family: Solanaceae )
- Solanum wendlandii (Potato Vine, Giant Potato Creeper, Costa Rica Nightshade, Paradise Vine , Family: Solanaceae )
- Solenostemon amboinicus, Coleus amboinicus, Plectranthus amboinicus (Allspise, Three-in-one spise, Cuban Oregano, Family: Lamiaceae )
- Sollya heterophylla (Bluebell Creeper, Family: Pittosporaceae )
- Sommieria leucophylla (Sommieria, Family: Arecaceae / Palmae )
- Sonerila pulchella (Sonerila, Family: Melastomataceae )
- Sonneratia caseolaris, Rhizophora caseolaris, Sonneratia acida (Cork Tree, Crabapple Mangrove, Mangrove Apple, Family: Lythraceae )
- Sonneratia ovata (Gedabu, Mangrove Apple, Family: Lythraceae )
- Sophora japonica, Styphnolobium japonicum (Japanese Pagoda Tree, Scholar-tree, Family: Fabaceae )
- Sophora secundiflora, Dermatophyllum secundiflorum (Texas Mountain-Laurel, Family: Fabaceae )
- Sophora sp. (Kowhai, Family: Fabaceae )
- Sophora tomentosa (Yellow Necklace Pod, Silverbush, Family: Fabaceae )
- Sophronitis coccinea, Sophronitis grandiflora, Cattleya coccinea (Sophronitis , Family: Orchidaceae )
- Sorbaria sorbifolia,Schizonotus sorbifolius, Spiraea sorbifolia (False Spiraea, Family: Rosaceae )
- Sorghum bicolor (Great Millet, Broomcorn, Milo, Family: Poaceae )
- Sparrmannia africana (Cape Stock-rose, House Lime, African Hemp, Family: Malvaceae )
- Spartium junceum (Spanish broom, Family: Fabaceae )
- Spathicarpa gardneri (Spathicarpa, Family: Araceae )
- Spathicarpa sp. (Spathicarpa, Family: Araceae )
- Spathiphyllum sp. (Peace Lily, Family: Araceae )
- Spathiphyllum wallisii (Peace lily, Family: Araceae )
- Spathodea campanulata (African Tulip Tree, Scarlet Bell Tree, Fountain Tree, Family: Bignoniaceae )
- Spathoglottis kimballiana (Ground Orchid, Garden Orchid, Family: Orchidaceae )
- Spathoglottis plicata (Ground Orchid, Garden Orchid, Family: Orchidaceae )
- Spathoglottis sp. (Ground Orchid, Family: Orchidaceae )
- Spermacoce alata, Spermacoce latifolia (Winged False Buttonweed, False Ginseng, Oval Leaf False Buttonweed, Family: Rubiaceae )
- Sphaeralcea ambigua (Desert Globemallow, Apricot Mallow, Family: Malvaceae )
- Sphyrospermum sp. (Sphyrospermum, Family: Ericaceae )
- Spigelia marilandica (Indian Pink, Woodland Pinkroot, Family: Loganiaceae )
- Spiraea japonica (Japanese Meadowsweet, Japanese Spiraea, Korean Spiraea, Family: Rosaceae )
- Spiraea sp. (Bridal's Veil, Family: Rosaceae )
- Spiranthes odorata (Marsh Lady's Tresses,Fragrant Lady's Tresses, Family: Orchidaceae )
- Spondias dulcis, Spondias cytherea (June Plum, Ambarella, Wi Apple, Golden Apple, Otaheite-apple, Caja-manga, Pommecythere , Family: Anacardiaceae )
- Spondias mombin, Spondias purpurea var. lutea (Yellow Mombin, Hog Plum, Family: Anacardiaceae )
- Spondias purpurea (Purple Mombin, Hog Plum, Ciruela, Jocote, Family: Anacardiaceae )
- Spondias tuberosa, Spondias cirouella (Imbuzeiro, Family: Anacardiaceae )
- Sprekelia formosissima (Aztec Lily, Jacobean Lily, Orchid Lily, Family: Amaryllidaceae )
- Stachytarpheta sanguinea (False Vervain, Snake-weed, Family: Verbenaceae )
- Stachytarpheta sp. (Porterweed, Brazilian Tea, Family: Verbenaceae )
- Stanhopea sp. (Stanhopea, Family: Orchidaceae )
- Stapelia gariepensis (Starfish flower, Carrion plant, Family: Apocynaceae )
- Stapelia gigantea (Zulu Giant, Carrion Plant, Starfish Flower, Family: Apocynaceae )
- Stapelia sp. (Starfish Flower, Giant Toad Flower, Carrion Flower, Family: Apocynaceae )
- Stapelianthus decaryi (Stapelianthus, Family: Apocynaceae )
- Staphylea pinnata (European Bladdernut, Family: Staphyleaceae )
- Staphylea x elegans (Elegans Bladdernut, Family: Staphyleaceae )
- Steganotaenia araliacea (Carrot Tree, Family: Apiaceae / Umbelliferae )
- Stelechocarpus burahol (Burahol, Kepel Fruit, Family: Annonaceae )
- Stelechocarpus cauliflorus, Sageraea cauliflora (Sageraea, Family: Annonaceae )
- Stelis megachlamys, Pleurothallis megachlamys, Dracontia tuerckheimii (Tuerckheim's Pleurothallis, Family: Orchidaceae )
- Stemmadenia galeottiana, Tabernaemontana litoralis, Stemmadenia litoralis (Lechoso, Milky Way Tree, Family: Apocynaceae )
- Stemmadenia grandiflora, Tabernaemontana grandiflora (Wedding Tree, Huevos de gato, Lechugo, Venenillo, Family: Apocynaceae )
- Stemona tuberosa (Stemona, Family: Stemonaceae )
- Stenocarpus sinuatus (Firewheel Tree, Family: Proteaceae )
- Stenocereus sp. (Organ Pipe Cactus, Octopus Cactus, Family: Cactaceae )
- Stenochlaena tenuifolia, Lomariopsis tenuifolia (African Climbing Fern, Family: Blechnaceae )
- Stenospermation robustum (Stenospermation, Family: Araceae )
- Stenotaphrum secundatum, Variety/cultivar: 'Variegatum' (st. Augustine Grass, Buffalo Grass, Family: Poaceae )
- Stephania erecta (Stephania, Family: Menispermaceae )
- Stephania japonica (Snake Vine, Family: Menispermaceae )
- Stephania perrieri (Climbing Rock Plant, Family: Menispermaceae )
- Stephanotis floribunda, Marsdenia floribunda (Bridal Bouquet, Madagascar Jasmine, Wax flower, Chaplet flower, Floradora, Hawaiian Wedding flower, Family: Apocynaceae )
- Sterculia apetala, Helicteres apetala, Sterculia carthaginensis, Sterculia chicha (Bellota, Panama Tree, Family: Malvaceae )
- Sterculia appendiculata (Mgude, Yellow barked Sterculia, Family: Malvaceae )
- Sterculia ceramica (Lanyu Sterculia, Family: Malvaceae )
- Sterculia coccinea, Sterculia lanceolata var. coccinea, Sterculia hamiltonii (Shrub Sterculia, Kelumpang, Family: Malvaceae )
- Sterculia foetida (Peon, Indian Almond, Hazel Sterculia, Java Olive, Skunk Tree, Family: Malvaceae )
- Sterculia lanceifolia, Sterculia roxburghii (Lanceleaf Sterculia, Family: Malvaceae )
- Sterculia lanceolata, Helicteres undulata, Sterculia balansae (Lanceleaf Sterculia, Family: Malvaceae )
- Sterculia macrophylla (Bigleaf Sterculia, Broad-Leafed Sterculia, Kelumpang, Family: Malvaceae )
- Sterculia megistophylla (Kelumpang Sarawak tree, Family: Malvaceae )
- Sterculia monosperma, Sterculia nobilis (Chinese Chestnut, Seven Sister's Fruit, Family: Malvaceae )
- Sterculia oblongata (Kelumpang, Family: Malvaceae )
- Sterculia parviflora (Sterculia, Family: Malvaceae )
- Sterculia rogersii (Common Star Chestnut, Family: Malvaceae )
- Sterculia rubiginosa (Kelumpang, Rusty Sterculia, Family: Malvaceae )
- Sterculia shillinglawii (Tulip Sterculia, Family: Malvaceae )
- Sterculia tragacantha (Gum Tragacanth, Sterculia, Family: Malvaceae )
- Sterculia urens (Kateera-gum, Katira, Kulu, Sterculia gum, Family: Malvaceae )
- Stereospermum fimbriatum (Chahchah, Family: Bignoniaceae )
- Steriphoma peruvianum, Morisonia peruviana (Family: Capparaceae )
- Sternbergia clusiana (Sternbergia, Autumn Crocus, Autumn Daffodil, Family: Amaryllidaceae )
- Steudnera discolor (Steudnera, Family: Araceae )
- Stevia rebaudiana, Eupatorium rebaudianum (Stevia, Sweet leaf of Paraguay, Sweet-herb, Honey yerba, Honeyleaf, Candy leaf, Family: Asteraceae )
- Stictocardia beraviensis, Ipomoea beraviensis (Hawaiian Bell, Hawaiian Sunset Vine, Braveheart Vine, Family: Convolvulaceae )
- Stifftia chrysantha (Pompom, Golden-flowered Stifftia, Rabo-de-Cutia, Esponja, Flor de Amizade, Pincel, Esponja de Oro, Family: Asteraceae )
- Stigmaphyllon ciliatum (Orchid Vine, Amazon Vine, Golden Vine, Family: Malpighiaceae )
- Stigmaphyllon emarginatum, Stigmaphyllon periplocifolium (Monarch Amazonvine, Family: Malpighiaceae )
- Stigmaphyllon sp. (Orchid Vine, Butterfly Vine, Golden Vine, Family: Malpighiaceae )
- Stoebe plumosa, Seriphium plumosum (Slangbos, Family: Asteraceae )
- Streblus elongatus (Tempinis, Family: Moraceae )
- Strelitzia nicolai (Giant Bird of Paradise, White Bird of Paradise, Family: Strelitziaceae )
- Strelitzia reginae (Bird of Paradise, Crane Flower, Stelitzia, Family: Strelitziaceae )
- Streptocarpella sp. (Bavarian Belles, Family: Gesneriaceae )
- Streptocarpus sp. (Strep, Family: Gesneriaceae )
- Streptosolen jamesonii (Marmalade Bush, Orange Browallia, Firebush, Family: Solanaceae )
- Strobilanthes anisophyllus (Strobilanthes, Family: Acanthaceae )
- Strobilanthes dyerianus, Perilepta dyeriana (Persian Shield, Family: Acanthaceae )
- Strobilanthes flaccidifolius, Strobilanthes cusia (Assam Indigo, Chinese Rain Bell, Pink Strobilanthes, Vein Leaf Acanthus, Family: Acanthaceae )
- Strobilanthes hamiltoniana, Diflugossa colorata, Strobilanthes colorata (Chinese Rain Bells, Temple Bells, Family: Acanthaceae )
- Stromanthe sp. (Never-Never Plant, Family: Marantaceae )
- Stromanthe stromanthoides (Stromanthe, Family: Marantaceae )
- Strongylodon macrobotrys (Turquoise Jade Vine, Blue Jade Vine, Family: Fabaceae )
- Strophanthus boivinii (Wood Shaving Flower, Family: Apocynaceae )
- Strophanthus caudatus, Echites caudatus, Strophanthus dichotomus (Medusa Gorgona, Red Rapunzel, Twisted Cord Flower, Family: Apocynaceae )
- Strophanthus gratus (Climbing oleander, Cream Fruit, Rose allamanda, Family: Apocynaceae )
- Strophanthus preussii (Medusa-Flower, Poison Arrow Vine, Spider Tresses, Poison Dart Vine, Family: Apocynaceae )
- Strophanthus sp. (Strophanthus, Family: Apocynaceae )
- Strophanthus speciosus (Corkscrew Flower, Forest Poison Rope, Forest Tail Flower, Family: Apocynaceae )
- Strophanthus wallichii (Strophanthus, Family: Apocynaceae )
- Strophocactus wittii, Selenicereus wittii (Amazon Moonflower, Family: Cactaceae )
- Strychnos lucida, Strychnos nux-vomica (Nux-vomica, Poison Nut, Snake-wood, Strychnine Tree, Family: Loganiaceae )
- Strychnos spinosa (Kaffir Orange, Spiny Orange, Green Monkey Orange, Family: Loganiaceae )
- Stylogyne longifolia (Gondo, Family: Primulaceae )
- Styrax japonicus (Japanese Snowbell, Ego Noki, Family: Styracaceae )
- Styrax obassia (Fragrant Snowbell, Family: Styracaceae )
- Styrax officinalis (Drug Snowbell, Storax, Family: Styracaceae )
- Suregada multiflora (False Lime, Limau Hantu , Family: Euphorbiaceae )
- Sutera cordata, Bacopa cordata (Snowflake, Family: Plantaginaceae )
- Swainsona formosa, Clianthus formosus, Clianthus dampieri (Sturt's desert pea, Family: Fabaceae )
- Swartzia arborescens, Possira arborescens (Swartzia , Family: Fabaceae )
- Swartzia madagascariensis, Bobgunnia madagascariensis (Snake Bean Plant, Family: Fabaceae )
- Swietenia mahagoni (West Indian Mahogany, Family: Meliaceae )
- Swinglea glutinosa, Aegle decandra, Limonia glutinosa (Glutinous swinglea, Tabog, Family: Rutaceae )
- Syagrus botryophora (Pati Queen Palm, Family: Arecaceae / Palmae )
- Syagrus coronata, Cocos coronata (Licury Palm, Ouricury Palm, Family: Arecaceae / Palmae )
- Syagrus romanzoffiana, Syagrus romanzoffianum, Arecastrum romanzzoffianum, Cocos australis, Cocos plumosa (Queen Palm, Family: Arecaceae / Palmae )
- Syagrus schizophylla, Cocos schizophylla, Arikuryroba schizophylla (Arikury Palm, Family: Arecaceae / Palmae )
- Syagrus stenopetala (Syagrus, Family: Arecaceae / Palmae )
- Sympagis maculata, Strobilanthes maculatus (Green Shield, Family: Acanthaceae )
- Syncarpia glomulifera (Turpentine Tree, Yanderra, Family: Myrtaceae )
- Syngonium erythrophyllum (Syngonium, Family: Araceae )
- Syngonium macrophyllum (Arrowhead Vine, Family: Araceae )
- Syngonium podophyllum (Arrowhead vine, Nephthytis, African evergreen, Family: Araceae )
- Syngonium rayi (Syngonium, Family: Araceae )
- Syngonium sp. (Syngonium, Family: Araceae )
- Syngonium wendlandii (Silver Goosefoot Plant, Velvety Syngonium, Family: Aracea )
- Synsepalum dulcificum, Richardella dulcifica (Miracle Fruit, Family: Sapotaceae )
- Synsepalum subcordatum (Giant Miracle Fruit, Family: Sapotaceae )
- Syzygium antisepticum, Syzygium gratum, Eugenia glaucicalyx, Eugenia grata, Syzygium glaucicalyx (Kalaum, Malaruhat, Family: Myrtaceae )
- Syzygium aqueum, Eugenia aquea (Water Cherry, Watery Rose Apple, Family: Myrtaceae )
- Syzygium aromaticum, Caryophyllus aromaticus, Eugenia caryophyllata, Eugenia caryophyllus (Clove, Cloves, Family: Myrtaceae )
- Syzygium australe (Scrub Cherry, Family: Myrtaceae )
- Syzygium campanulatum, Syzygium myrtifolium, Eugenia oleina (Wild Cinnamon, Family: Myrtaceae )
- Syzygium contractum (Bois de Pomme, Bois Boeuf, Family: Myrtaceae )
- Syzygium cumini (Malabar plum, Java plum, Black plum, Jamun, Jaman, Jambul, Jambolan, Lilly Pilly, Duhat, Family: Myrtaceae )
- Syzygium jambos, Eugenia jambos, Jambosa jambos (Rose apple, Malabar Plum, Pomme rosa, Family: Myrtaceae )
- Syzygium luehmannii (Small Leaved Lilly Pilly, Family: Myrtaceae )
- Syzygium malaccense, Eugenia malaccensis, Jambos malaccensis (Malay Apple, Macopa, Otaheite Apple, Pomarosa, Manzana, Family: Myrtaceae )
- Syzygium myrtifolium, Eugenia oleina, Eugenia myrtifolia, Syzygium campanulatum (Wild Cinnamon, Australian Brush-Cherry, Kelat Oil, Kelat Paya, Red Lip, Family: Myrtaceae )
- Syzygium oleosum (Blue Lilly Pilly, Family: Myrtaceae )
- Syzygium paniculatum, Eugenia paniculata (Australian Brush Cherry, Magenta Lilly Pilly , Family: Myrtaceae )
- Syzygium samarangense, Syzygium javanicum, Eugenia javanica (Wax jamboo, Java apple, Macopa, Family: Myrtaceae )
- Syzygium smithii, Acmena smithii (Lilly Pilly, Family: Myrtaceae )
- Syzygium suborbiculare, Eugenia suborbicularis (Red Bush Apple, Lady Apple, Family: Myrtaceae )
- Syzygium thalassicum (Syzygium, Family: Myrtaceae )
- Tabebuia alba, Tecoma alba (Lapacho Amarillo, Family: Bignoniaceae )
- Tabebuia angustata (Roble Blanco, Blushing Bride, Narrow Trumpet Tree, White Wood, Family: Bignoniaceae )
- Tabebuia bahamensis, Tabebuia turquinensis, Tabebuia affinis, Tabebuia leonis (Dwarf Bahamian Trumpet Tree, Five Fingers, Family: Bignoniaceae )
- Tabebuia caraiba, Tabebuia argentea (Silver Trumpet Tree, Family: Bignoniaceae )
- Tabebuia haemantha, Bignonia haemantha (Blood-Red Trumpet Tree, Roble Cimarron, Roble Cimmaron, Family: Bignoniaceae )
- Tabebuia heterophylla (Pink Trumpet Tree, Family: Bignoniaceae )
- Tabebuia impetiginosa, Handroanthus heptaphyllus, Handroanthus impetiginosus, Tabebuia avellanedae (Pink Tabebuia, Ant Wood, Pau DArco, Ipe Roxo, Lapacho, Taheebo, Family: Bignoniaceae )
- Tabebuia riparia (White Tabebuia, Family: Bignoniaceae )
- Tabebuia rosea (Rosy Trumpet Tree, Pink Poui, Pink Tecoma Tree, Family: Bignoniaceae )
- Tabebuia roseoalba (White Trumpet tree, Family: Bignoniaceae )
- Tabebuia sp. (Trumpet Tree, Family: Bignoniaceae )
- Tabebuia umbellata (Yellow Trumpet , Family: Bignoniaceae )
- Tabernaemontana africana (Samoan Gardenia, Family: Apocynaceae )
- Tabernaemontana aurantiaca (Orange Milkwood, Family: Apocynaceae )
- Tabernaemontana australis (Australian Pinweel, Family: Apocynaceae )
- Tabernaemontana corymbosa (Flower of Love, Family: Apocynaceae )
- Tabernaemontana crassa, Conopharyngia crassa, Conopharyngia durissima (Adam's Apple, Family: Apocynaceae )
- Tabernaemontana divaricata, Ervatamia divaricata, Ervatamia coronaria (Pinwheel Jasmine, Crape Jasmine, Crepe Gardenia, Family: Apocynaceae )
- Tabernaemontana divaricata, Hollarhena densiflora, Tabernaemontana coronaria, Variety/cultivar: Flore Pleno (Crape Jasmine, Carnation of India, East Indian Rosebay, Adam's Apple, Nero's Crown, Coffee Rose, Crepe Gardenia, Family: Apocynaceae )
- Tabernaemontana elegans (Toad Tree, Family: Apocynaceae )
- Tabernaemontana macrocarpa (Tabernaemontana, Family: Apocynaceae )
- Tabernaemontana orientalis, Ervatamia orientalis, Ervatamia pubescens, Ervatamia floribunda (Banana Bush, Native Gardenia, Family: Apocynaceae )
- Tabernaemontana pachysiphon, Tabernaemontana holstii (Giant Tabernaemontana, Family: Apocynaceae )
- Tabernaemontana pandacaqui (Banana Bush, Family: Apocynaceae )
- Tabernaemontana sananho, Bonafousia sanango (Sanango, Uchu Sanango, Shiric Sanago, Family: Apocynaceae )
- Tabernaemontana sp. (Tabernaemontana, Family: Apocynaceae )
- Tabernaemontana sp., Variety/cultivar: Variegata (Variegated Tabernaemontana, Family: Apocynaceae )
- Tabernanthe iboga (Iboga, Family: Apocynaceae )
- Tacca chantrieri (Bat Head Lily, Bat Flower, Devil Flower, Black Tacca, Family: Dioscoreaceae )
- Tacca chantrieri, Variety/cultivar: Green Isle (Green Isle Bat Head Lily, Family: Dioscoreaceae )
- Tacca leontopetaloides (Green Bat Flower, Polynesian Arrowroot, Family: Dioscoreaceae )
- Tacca nivea, Tacca integrifolia (Bat Head Lily, Bat Flower, Devil Flower, White Tacca, Family: Dioscoreaceae )
- Tacca palmata (Palm-leaved Tacca, Family: Dioscoreaceae )
- Tagetes lemmonii (Lemon Marigold, Tagetes, Copper Canyon Daisy, Family: Asteraceae )
- Tagetes lucida (Mexican Tarragon, Family: Asteraceae )
- Tagetes sp. (Marigold, Family: Asteraceae )
- Talinum paniculatum, Variety/cultivar: Variegatum (Variegated Jewels of Opar, Family: Portulacaceae )
- Talinum paniculatum,Talinum roseum, Portulaca paniculata (Jewels of Opar, Florida Spinach, Family: Portulacaceae )
- Talinum sp. (Talinum, Family: Portulacaceae )
- Tamarindus indica (Tamarind, Sampalok, Family: Fabaceae )
- Tamarix sp. (Tamarisk, Athel tree, Salt Cedar, Family: Tamaricaceae )
- Tambourissa sp. (Bois Tambour , Family: Monimiaceae )
- Tamilnadia uliginosa (Tamilnadia, Family: Rubiaceae )
- Tapeinochilos ananassae (Indonesian Wax Ginger, Giant Spiral Ginger, Family: Costaceae )
- Tarenna hoaensis (Chan-ta-na, Family: Rubiaceae )
- Tarenna sp. (Tarenna, Family: Rubiaceae )
- Tarenna wallichii, Ixora wallichii (Tarenna, Family: Rubiaceae )
- Taxodium distichum (Bald cypress, Swamp cypress, Family: Cupressaceae )
- Taxodium mucronatum, Taxodium mexicanum, Cuprespinnata mexicana (Montezuma Baldcypress, Mexican Cypress, Tree of Tule, Family: Cupressaceae )
- Taxodium sp. (Bald Cypress, Family: Cupressaceae )
- Taxus baccata (English Yew, Family: Taxaceae )
- Tecoma alata, Tecoma elat, aTecoma guarume (Orange Trumpet Flower, Cahuato, Orange Bells, Yellow Bells, Family: Bignoniaceae )
- Tecoma castanifolia, Bignonia castaneifolia, Bignonia serrata, Tecoma gaudichaudii (Yellow Bells, Family: Bignoniaceae )
- Tecoma sambucifolia (Trumpet Flower, Family: Bignoniaceae )
- Tecoma sp., Variety/cultivar: Lydia (Tecoma Lydia, Yellow Bells, Yellow Elder, Family: Bignoniaceae )
- Tecoma stans, Bignonia stans (Yellow Elder, Yellow Bells, Family: Bignoniaceae )
- Tecoma X smithii (Orange Bells, Family: Bignoniaceae )
- Tecomanthe Aurea, Tecomanthe dendrophylla flava (Yellow Tecomanthe , Family: Bignoniaceae )
- Tecomanthe dendrophila (New Guinea Creeper vine, Family: Bignoniaceae )
- Tecomaria capensis, Tecoma capensis, Variety/cultivar: Aurea (Cape Honeysuckle, Family: Bignoniaceae )
- Tecomaria capensis, Tecoma capensis, Variety/cultivar: Salmon (Salmon tecomaria, Cape Honeysuckle, Family: Bignoniaceae )
- Tecomaria capensis, Tecoma capensis, Variety/cultivar: Apricot (Apricot Tecoma, Cape Honeysuckle, Family: Bignoniaceae )
- Tecomaria capensis, Tecoma capensis (Cape Honeysuckle, Family: Bignoniaceae )
- Tectona grandis (Teak, Family: Verbenaceae )
- Telfairia occidentalis (Fluted Pumpkin, Oysternut, Ugu, Family: Cucurbitaceae )
- Telosma cordata, Telosma minor (Pakalana vine, Tonkin Jasmine, Cowslip Creeper, Telosoma, Dok Kajon, Family: Apocynaceae )
- Templetonia retusa (Cockies Tongues, Family: Fabaceae )
- Tephrocactus articulatus (Paper Spine Cactus, Family: Cactaceae )
- Tephrosia vogelii, Tephrosia vogellii (Muluku, Family: Fabaceae )
- Terminalia bentzoe, Terminalia angustifolia (Benjoin, Family: Combretaceae )
- Terminalia calamansanai (Philippine Almond, Yellow Terminalia, Family: Combretaceae )
- Terminalia catappa (Tropical Almond, Badamier, Java Almond, Indian Almond, Malabar Almond, Singapore Almond, Ketapang, Huu Kwang, Pacific Almond, Family: Combretaceae )
- Terminalia foetidissima (Terminalia, Family: Combretaceae )
- Terminalia ivorensis (Black Afara, Family: Combretaceae )
- Terminalia kaernbachii, Terminalia okari (Okari Nut, Yellow Terminalia, Family: Combretaceae )
- Terminalia mantaly (Madagascar Almond, Umbrella Tree, Family: Combretaceae )
- Terminalia muelleri (Australian almond, Muellers Terminalia, Family: Combretaceae )
- Terminalia sp. (Terminalia, Family: Combretaceae )
- Tetracera fagifolia (Tetracera, Family: Dilleniaceae )
- Tetracera indica (Tetracera, Family: Dilleniaceae )
- Tetracera sp. (Tetracera, Bee Flower, Family: Dilleniaceae )
- Tetradenia cordata (Madagascar Mint, Family: Lamiaceae )
- Tetradium daniellii, Euodia daniellii (Bee-bee Tree, Korean Evodia, Family: Rutaceae )
- Tetrapanax papyriferus, Tetrapanax papyrifer, Fatsia papyrifer, Aralia papyrifera (Rice-Paper Tree , Family: Araliaceae )
- Tetrapleura tetraptera, Adenanthera tetraptera (Aidan Tree, Prekese, Family: Fabaceae )
- Tetrastigma sp. (Tetrastigma, Chestnut Vine, Family: Vitaceae )
- Tetrastigma voinierianum, Cissus tetrastigma (Lizard Plant, Chestnut Vine, Giant Grape Ivy, Wild Grape, Family: Vitaceae )
- Tetrazygia bicolor (West Indian Lilac, Florida clover ash, Family: Melastomataceae )
- Teucrium fruticans (Tree Germander, Family: Lamiaceae )
- Thalia dealbata (Powdery Thalia, Hardy Canna, Water Canna, Alligator Flag, Family: Marantaceae )
- Thalia geniculata (Fire Flag, Alligator Flag, Red Stemmed Thalia , Family: Marantaceae )
- Thaumatococcus daniellii (Miracle Fruit, Miracle Berry, African Serendipity Berry, Family: Marantaceae )
- Thenardia floribunda (Petatillo, Family: Apocynaceae )
- Theobroma bicolor (White cacao, Macambo, Motelo, Family: Malvaceae )
- Theobroma cacao (Chocolate Tree, Cacao, Cocoa Tree, Family: Malvaceae )
- Theobroma grandiflorum (Cupuasu, Copoasu, Cupuacu, Family: Malvaceae )
- Thespesia acutiloba, Thespesia populnea var. acutiloba (Small-leaved Tulip-tree , Family: Malvaceae )
- Thespesia grandiflora, Montezuma speciocissima (Maga, Family: Malvaceae )
- Thespesia populnea, Hibiscus populneus (Seaside Mahoe, Portia Tree, Milo , Family: Malvaceae )
- Thespesia Portica, Variety/cultivar: Asiatica (Asian Portoe, Dwarf Asian Portia, Sea Hibiscus, Family: Malvaceae )
- Thevetia ahouai, Ahouai nitida, Plumeriopsis ahouai (Broadleaf Thevetia, Yellow oleander, Dog's Tongue, Dog Balls, Grandfather's Balls, Family: Apocynaceae )
- Thrinax morrisii, Simpsonia microcarpa, Thrinax keyensis, Thrinax microcarpa (Broom Palm, Key Thatch Palm, Family: Arecaceae / Palmae )
- Thrinax radiata, Thrinax floridana (Florida Thatch Palm, Family: Arecaceae / Palmae )
- Thrinax sp. (Thatch Palm, Family: Arecaceae / Palmae )
- Thryptomene calycina (Grampians Thryptomene,Victorian Laceflower, Family: Myrtaceae )
- Thryptomene saxicola (Rock Thryptomene, Family: Myrtaceae )
- Thunbergia alata (Black - eyed Susan, Family: Acanthaceae )
- Thunbergia battiscombei (Bengal Clock Vine, Blue Trumpet Vine, Blue Sky vine, Scrambling sky flower, Blue Glory, Family: Acanthaceae )
- Thunbergia coccinea (Scarlet Thunbergia, Family: Acanthaceae )
- Thunbergia erecta (King's Mantle, Bush Clock Vine, Family: Acanthaceae )
- Thunbergia fragrans, Thunbergia laevis (White Clock Vine, White Gem Thunbergia, Family: Acanthaceae )
- Thunbergia grandiflora (Blue Trumpet Vine, Blue Sky vine, Scrambling sky flower, Family: Acanthaceae )
- Thunbergia gregorii (Orange Clock Vine, Family: Acanthaceae )
- Thunbergia kirkii (Blue Sky Shrub, Family: Acanthaceae )
- Thunbergia laurifolia (Blue Trumpet Vine, Blue Sky vine, Laurel-leaved thunbergia, Family: Acanthaceae )
- Thunbergia mysorensis, Thunbergia Anderson x Bedd, Hexacentris mysorensis (Clock Vine, Mysore Trumpetvine, Family: Acanthaceae )
- Thunbergia sp. (Thunbergia, Family: Acanthaceae )
- Thymus capitatus, Coridothymus capitatus (Thymus, Headed Savory, Family: Lamiaceae )
- Thymus citriodorus (Lemon Thyme, Family: Lamiaceae )
- Thymus praecox (Creeping Thyme, Family: Lamiaceae )
- Thymus pulegioides (Broad-leaved Thyme, Lemon Thyme, Family: Lamiaceae )
- Thymus serpyllum (Wild Thyme, Creeping Thyme, Family: Lamiaceae )
- Thymus vulgaris (Garden Thyme, Family: Lamiaceae )
- Thyrsacanthus callistachyus, Odontonema callistachyum (Fire Spike, Family: Acanthaceae )
- Thysanolaena latifolia (Tiger Grass , Family: Poaceae )
- Tibouchina clavata (Bears Ear, Family: Melastomataceae )
- Tibouchina granulosa (Glory tree, Purple Spray Tree, Family: Melastomataceae )
- Tibouchina lepidota (Dwarf Princess Flower, Glory Bush, Mayo, Family: Melastomataceae )
- Tibouchina rufipilis (Glory Tree, Family: Melastomataceae )
- Tibouchina sp. (Princess Flower, Glory Bush, Family: Melastomataceae )
- Tibouchina sp., Variety/cultivar: 'Peace Baby' (Tibouchina 'Peace Baby', Family: Melastomataceae )
- Tibouchina urvilleana, Tibouchina semidecandra, Lasiandra semidecandra (Glory Flower, Princess Flower, Family: Melastomataceae )
- Tillandsia dyeriana (Tillandsia, Family: Bromeliaceae )
- Tillandsia sp. (Tillandsia, Family: Bromeliaceae )
- Tillandsia xerographica (Xerographica, Family: Bromeliaceae )
- Tinospora crispa, Cocculus crispum, Menispermum crispum (Putarwali, Family: Menispermaceae )
- Tinospora sp. (Tinospora, Family: Menispermaceae )
- Tipuana tipu, Tipuana speciosa, Machaerium tipu, Machaerium fertile (Pride of Bolivia, Yellow jacaranda, Rosewood, Tipu tree, Racehorse tree, Yellow jacaranda, Mtipia, Family: Fabaceae )
- Titanopsis sp. (Titanopsis, Living Stone, Family: Aizoaceae )
- Tithonia diversifolia (Sunflower Tree, Tree Marigold, Wild Sunflower , Family: Asteraceae )
- Tolmiea menziesii (Thousand Mothers, Piggyback Plant, Family: Saxifragaceae )
- Tolumnia sp. (Tolumnia, Family: Orchidaceae )
- Toona sp. (Toon, Family: Meliaceae )
- Torenia fournieri (Wishbone Flower, Ladys Slipper, Blue Wing, Family: Linderniaceae )
- Tournefortia argentea, Argusia argentea (Octopus Bush, Tree Heliotrope, Velvetleaf Soldierbush, Family: Boraginaceae )
- Tournefortia staminea (Tree Heliotrop, Family: Boraginaceae )
- Trachelium caeruleum (Blue Throatwort, Family: Campanulaceae )
- Trachelospermum asiaticum, Variety/cultivar: 'Minima' (Dwarf Confederate Jasmine, Minimound, Family: Apocynaceae )
- Trachelospermum asiaticum, Variety/cultivar: Tricolor (Goshiki Kazura, Tricolor Star Jasmine, Variegated trechelospermum, Family: Apocynaceae )
- Trachelospermum asiaticum (Asian Jasmine, Yellow star jasmine, Family: Apocynaceae )
- Trachelospermum jasminoides (Confederate Jasmine, Star Jasmine, Family: Apocynaceae )
- Trachycarpus fortunei, Chamaerops excelsa, Chamaerops fortunei, Trachycarpus excelsa (Chusan Palm, Chinese Windmill Palm, Family: Arecaceae / Palmae )
- Tradescantia albiflora, Tradescantia fluminensis (Inch Plant, White-Flowered Wandering Jew, Family: Commelinaceae )
- Tradescantia navicularis (Chain Plant , Family: Commelinaceae )
- Tradescantia pallida, Setcreasea pallida (Purple heart, Purple queen, Family: Commelinaceae )
- Tradescantia sillamontana (White Velvet, White Gossamer, Cobweb Spiderwort, Family: Commelinaceae )
- Tradescantia sp. (Tradescantia, Spiderwort, Family: Commelinaceae )
- Tradescantia spathacea, Rhoeo spathacea, Tradescantia discolor (Boat lily, Rheo, Oyster plant, Moses-In-The-Boat, Family: Commelinaceae )
- Tradescantia virginiana, Tradescantia x andersoniana (Virginia Spiderwort, Lady's Tears, Family: Commelinaceae )
- Tradescantia zanonia, Commelina zanonia (Mexican Flag, Family: Commelinaceae )
- Tradescantia zebrina, Zebrina pendula (Silver Inch Plant, Wandering Jew, Family: Commelinaceae )
- Trapa natans (Water Chestnut, Family: Trapaceae )
- Treculia africana (African Breadfruit, Family: Moraceae )
- Trevesia burckii (Snow Flake Tree, Ghost's Foot, Family: Araliaceae )
- Trevesia palmata (Snowflake Tree, Snowflake Aralia, Family: Araliaceae )
- Trevesia sp. (Snow Flake Tree, Family: Araliaceae )
- Triadica sebifera, Sapium sebiferum (Chinese Tallow, Popcorn Tree, Family: Euphorbiaceae )
- Triadica sp., Sapium sp. (Sapium, Family: Euphorbiaceae )
- Tricalysia junodii, Empogona kirkii (Tricalysia, Family: Rubiaceae )
- Trichanthera gigantea, Ruellia gigantea (Madre de Agua, Suiban, Cenicero, Tuno, Naranjillo, Palo de Agua, Family: Acanthaceae )
- Trichodiadema sp. (African Bonsai, Miniature Desert Rose, Family: Aizoaceae )
- Trichosanthes holtzei (Trichosanthes, Family: Cucurbitaceae )
- Trichosanthes kirilowii (Snakegourd, Chinese Cucumber, Family: Cucurbitaceae )
- Trichosanthes sp. (Serpent Gourd, Family: Cucurbitaceae )
- Trichoscypha sp. (Trichoscypha, Family: Anacardiaceae )
- Trichostigma peruvianum (Trichostigma, Family: Petiveriaceae )
- Tricyrtis formosana, Compsoa formosana (Toad Lily, Family: Liliaceae )
- Tricyrtis hirta (Toad Lily, Family: Liliaceae )
- Tricyrtis macrantha, Tricyrtis macranthopsis (Yellow Chinese Toad Lily, Family: Liliaceae )
- Trifolium repens (White Clover, Dutch Clover, Ladino, Family: Fabaceae )
- Trillium sp. (Trillium, Wakerobin, Tri Flower, Birthroot, Family: Melanthiaceae )
- Triphasia trifolia (Lime Berry, Limeberry, Limau Kiah, Lemondichina, Family: Rutaceae )
- Triplaris surinamensis, Blochmannia weigeltiana, Triplaris cumingiana (Long John, Mulato Tree, Ant Tree, Vara de Maria, Family: Polygonaceae )
- Tripsacum dactyloides (Eastern Gamagrass, Fakahatchee Grass, Family: Poaceae )
- Tripteris sinuata, Osteospermum sinuatum (Trailing African Daisy, Family: Asteraceae )
- Tristaniopsis laurina (Water Gum, Kanooka, Family: Myrtaceae )
- Tristellateia australasiae (Shower of gold climber, Vining Galphimia, Vining Milkweed, Family: Malpighiaceae )
- Tristerix longebracteatus (Tristerix, Family: Loranthaceae )
- Trithrinax campestris (Blue Needle Palm, Campestre Palm, Family: Arecaceae / Palmae )
- Tritoniopsis antholysa (Mountain Pipes, Family: Iridaceae )
- Trochetia parviflora (Trochetia, Family: Malvaceae )
- Trollius asiaticus (Asian Globe flower, Family: Ranunculaceae )
- Tropaeolum majus (Garden Nasturtium, Indian Cress, Monks Cress, Family: Tropaeolaceae )
- Tropaeolum minus (Dwarf Nasturtium, Family: Tropaeolaceae )
- Tropaeolum moritzianum (Moritz-Nasturtium, Family: Tropaeolaceae )
- Tropaeolum peregrinum (Canary Creeper, Canarybird Flower, Canarybird Vine, Canary Nasturtium, Family: Tropaeolaceae )
- Tropaeolum polyphyllum (Wreath Nasturtium, Andean Nasturtium, Family: Tropaeolaceae )
- Tropaeolum tricolor (Chilean Nasturtium, Three-coloured Indian Cress, Family: Tropaeolaceae )
- Tulbaghia simmleri (Sweet Wild Garlic, Sweet Garlic, Fragrant Tulbaghia, Family: Amaryllidaceae )
- Tulbaghia violacea (Wild Garlic, Family: Amaryllidaceae )
- Tulipa sp. (Tulip, Family: Liliaceae )
- Turbina holubii, Ipomoea holubii (Family: Convolvulaceae )
- Turnera aurantiaca (Orange Turnera, Family: Turneraceae )
- Turnera subulata (Key West Butter Cup, Family: Turneraceae )
- Turnera ulmifolia, Turnera angustifolia, Turnera diffusa (Yellow Alder, Sundrops, Damiana, Family: Turneraceae )
- Turraea heterophylla (African Honeysuckle, Family: Meliaceae )
- Turraea obtusifolia (Star Bush, South African Honeysuckle, Family: Meliaceae )
- Tylecodon sp. (Tylecodon, Family: Crassulaceae )
- Typhonium roxburghii (Dwarf Voodoo Lily, Black Flowered Dead Rat Lily , Family: Araceae )
- Ugni molinae, Myrtus ugni, Eugenia ugni (Chilean Guava, Strawberry Myrtle, Murta, Murtilla, Family: Myrtaceae )
- Ullucus tuberosus (Ulluco, Melluco, Papa Lisa, Family: Basellaceae )
- Umbellularia californica (California Laurel, Family: Lauraceae )
- Uncarina decaryi (Uncarina, Family: Pedaliaceae )
- Uncarina grandidieri, Harpagophytum grandidieri (Mouse trap tree, Succulent Sesame, Family: Pedaliaceae )
- Uncarina peltata, Harpagophytum peltatum (Uncarina, Family: Pedaliaceae )
- Uncarina roeoesliana (Uncarina, Family: Pedaliaceae )
- Uniola paniculata (Sea Oats, Seaside Oats, Arana, Arroz de Costa, Family: Poaceae )
- Unknown 100 (Unknown, Family: Marantaceae )
- Unknown 101 (Orchid, Family: Orchidaceae )
- Unknown 102 (Unknown, Family: Unknown )
- Unknown 103 (Unknown, Family: Unknown )
- Unknown 104 (Palm, Family: Arecaceae / Palmae )
- Unknown 105 (Unknown, Family: Unknown )
- Unknown 107 (Unknown, Family: Unknown )
- Unknown 108 (Unknown, Family: Unknown )
- Unknown 109 (Unknown, Family: Unknown )
- Unknown 110 (Unknown, Family: Unknown )
- Unknown 111 (Unknown, Family: Unknown )
- Unknown 112 (Unknown, Family: Unknown )
- Unknown 113 (Unknown, Family: Rubiaceae (?) )
- Unknown 114 (Unknown, Family: Unknown )
- Unknown 116 (Unknown, Family: Unknown )
- Unknown 117 (Unknown, Family: Unknown )
- Unknown 121 (Unknown , Family: Asteraceae )
- Unknown 123 (Unknown, Family: Unknown )
- Unknown 124 (Bignonia Thai Hybrid, Family: Bignoniaceae )
- Unknown 126 (False Olive, Family: Oleaceae )
- Unknown 127 (Unknown, Family: Unknown )
- Unknown 131 (Star Flowers, Family: Myrtaceae )
- Unknown 135 (Unknown, Family: Unknown )
- Unknown 136 (Unknown, Family: Unknown )
- Unknown 137 (Unknown, Family: Ericaceae )
- Unknown 138 (Unknown, Family: Gesneriaceae )
- Unknown 139 (Unknown, Family: Unknown )
- Unknown 140 (Unknown, Family: Unknown )
- Unknown 141 (Palm, Family: Arecaceae / Palmae )
- Unknown 142 (Unknown, Family: Melastomataceae )
- Unknown 143 (Palm, Family: Arecaceae / Palmae )
- Unknown 144 (Palm, Family: Arecaceae / Palmae )
- Unknown 145 (Palm, Family: Arecaceae / Palmae )
- Unknown 146 (Unknown, Family: Phyllanthaceae )
- Unknown 147 (Palm, Family: Arecaceae / Palmae )
- Unknown 148 (Unknown, Family: Unknown )
- Unknown 149 (Unknown, Family: Myrtaceae )
- Unknown 150 (Unknown, Family: Cactaceae )
- Unknown 18 (Unknown caudex, Family: Vitaceae (?) )
- Unknown 30 (Pink bells)
- Unknown 40 (Family: Malpighiaceae )
- Unknown 43 (Daisy Bush, Family: Asteraceae )
- Unknown 44 (Butterfly Bush (?), Family: Unknown )
- Unknown 47 (False Rose Tree, Family: Theaceae (?) )
- Unknown 49 (Klim Ram)
- Unknown 62 (Family: Caprifoliaceae (?) )
- Unknown 63 (Family: Anacardiaceae (?) )
- Unknown 65 (Palm, Family: Arecaceae / Palmae )
- Unknown 71
- Unknown 81 (Unknown, Family: Hamamelidaceae (?) )
- Unknown 82 (Weigela Tree, Family: Unknown )
- Unknown 83 (Unknown, Family: Asteraceae )
- Unknown 84 (Unknown, Family: Solanaceae (?) )
- Unknown 85 (Unknown, Family: Unknown )
- Unknown 86 (Unknown, Family: Rubiaceae (?) )
- Unknown 87 (Unknown)
- Unknown 88 (Melastomataceae, Family: Melastomataceae )
- Unknown 89 (Unknown, Family: Fabaceae )
- Unknown 90 (Aroid, Family: Araceae )
- Unknown 91 (Bromeliad, Family: Bromeliaceae )
- Unknown 92 (Achote silvestre (?))
- Unknown 93 (Gesneriad, Family: Gesneriaceae )
- Unknown 94 (Rubiaceae, Family: Rubiaceae )
- Unknown 95 (Unknown, Family: Unknown )
- Unknown 96 (Unknown, Family: Unknown )
- Unknown 97 (Unknown, Family: Unknown )
- Unknown 98 (Fern)
- Unknown 99 (Unknown, Family: Unknown )
- Urechites lutea, Vinca lutea, Pentalinon luteum (Yellow Mandevilla, Yellow Dipladenia, Wild Allamanda, Family: Apocynaceae )
- Urena lobata (Caesarweed, Family: Malvaceae )
- Urera baccifera (Ortiga Brava, Family: Urticaceae )
- Urera rzedowskii (Chichicastillo, Ortiga, Family: Urticaceae )
- Urospatha friedrichsthalii, Urospatha grandis (Family: Araceae )
- Ursulaea macvaughii (Ursulaea, Family: Bromeliaceae )
- Utania volubilis, Fagraea racemosa, Fagraea morindaefolia, Fagraea volubilis, Fagraea scholaris, Fagraea congestiflora (Todopon Puok, False Coffee Plant, Kopi Hutan, Forest Coffee Plant, Family: Gentianaceae )
- Utricularia sp. (Bladderwort, Family: Lentibulariaceae )
- Uvaria grandiflora, Unona grandiflora, Uva grandiflora, Uvaria cardinalis, Uvaria flava, Uvaria platypetala, Uvaria purpurea, Uvaria rubra (Large-flowered Uvaria, Family: Annonaceae )
- Uvaria lurida (Uvaria, Family: Annonaceae )
- Uvariodendron sp. (Uvariodendron, Family: Annonaceae )
- Uvariopsis submontana (Uvariopsis, Family: Annonaceae )
- Uvularia grandiflora (Large-flowered Bellwort, Family: Colchicaceae )
- Vaccinium corymbosum (Tropical Blueberry, Lowbush Blueberry, Family: Ericaceae )
- Vaccinium macrocarpon, Oxycoccus macrocarpus (Large Cranberry, American Cranberry, Bearberry, Family: Ericaceae )
- Vaccinium myrtillus (Bilberry, Family: Ericaceae )
- Vaccinium vitis-idaea (Lingonberry, Cowberry, Family: Ericaceae )
- Vachellia cornigera, Acacia cornigera (Bullhorn Acacia, Family: Fabaceae )
- Vachellia farnesiana, Acacia farnesiana, Mimosa farnesiana (Yellow Mimosa, Sweet Wattle, Family: Fabaceae )
- Vachellia karroo, Acacia karroo (Sweet Thorn, Family: Fabaceae )
- Vachellia oviedoensis, Acacia oviedoensis (Acacia, Family: Fabaceae )
- Vachellia sieberiana, Acacia sieberiana (Paperbark Thorn, Family: Fabaceae )
- Vachellia sphaerocephala, Acacia sphaerocephala (Bulls-Horn Acacia, Bee Wattle, Family: Fabaceae )
- Vachellia tortuosa, Acacia tortuosa, Mimosa tortuosa (Twisted Acacia, Huisachillo, Family: Fabaceae )
- Vachellia xanthophloea, Acacia xanthophloea (Fever tree , Family: Fabaceae )
- Valeriana officinalis (Valerian, Family: Valerianaceae )
- Vallaris glabra (Bread Flower, Family: Apocynaceae )
- Vallaris solanacea (Thai Cherry, Scented Bread Flower, Asphota, Navamallika, Dudhi ki bel, Ramsur, Chamari-ki vel, Bugudi hambu, Bhadravalli, Ginne malathi, Family: Apocynaceae )
- Vallesia antillana (Tear-shrub, Pearl Berry, Family: Apocynaceae )
- Vanda flabellata, Aerides flabellata (The Fan-Shaped Aerides, Family: Orchidaceae )
- Vanda sp. (Vanda Orchid, Family: Orchidaceae )
- Vandasina retusa (Vandasina, Family: Fabaceae )
- Vangueria infausta (Wild Medlar, Spanish Tamarind, Family: Rubiaceae )
- Vangueria madagascariensis (Spanish Tamarind, Family: Rubiaceae )
- Vanilla dilloniana (Leafless Vanilla Orchid, Dillons Vanilla, Family: Orchidaceae )
- Vanilla planifolia, Vanilla fragrans (Madagascar Bourbon Vanilla Bean, French Vanilla, Vanilla Orchid, Family: Orchidaceae )
- Vanilla pompona (West Indian Vanilla, Family: Orchidaceae )
- Vanilla sp. (Vanilla Orchid, Family: Orchidaceae )
- Vatica diospyroides, Vatica cinerea, Synaptea cinerea (Broken Hear Flower, Resk Puteh Keruing, Chan ka pho, Family: Dipterocarpaceae )
- Vatica rassak (Lan Tan, Mascal Wood, Resak , Family: Dipterocarpaceae )
- Veitchia macdanielsii, Veitchia spiralis (Sunshine Palm, Family: Arecaceae / Palmae )
- Veitchia montgomeryana (Montgomery Palm, Family: Arecaceae / Palmae )
- Verbena sp. (Verbena, Family: Verbenaceae )
- Vernicia fordii, Aleurites fordii (Tung Oil Tree , Family: Euphorbiaceae )
- Vernonia sp. (Tropical Aster, Ironweed, Bitterleaf, Giant Mistflower, Family: Asteraceae )
- Veronica sp. (Speedwell, Family: Plantaginaceae )
- Verschaffeltia splendida (Seychelles Stilt Palm, Latanier Latte, Splendid Palm , Family: Arecaceae / Palmae )
- Verticordia sp. (Featherflowers, Family: Myrtaceae )
- Viburnum odoratissimum (Sweet Viburnum, Family: Adoxaceae )
- Viburnum plicatum (Japanese Snowball, Family: Adoxaceae )
- Viburnum rhytidophyllum (Leatherleaf Viburnum, Family: Adoxaceae )
- Viburnum sp. (Viburnum, Family: Adoxaceae )
- Viburnum tinus (Laurustinus, Family: Adoxaceae )
- Victoria amazonica, Victoria regia (Amazon Waterlily, Family: Nymphaeaceae )
- Victoria cruziana (Santa Cruz Water Lily, Family: Nymphaeaceae )
- Vigna speciosa (Snail Vine, Family: Fabaceae )
- Viminaria juncea (Native Broom, Golden Spray, Family: Fabaceae )
- Vinca major (Bigleaf Periwinkle, Large Periwinkle, Greater Periwinkle, Blue Periwinkle, Family: Apocynaceae )
- Virgilia divaricata (Blossom tree, Cape Lilac, Family: Fabaceae )
- Virgilia oroboides, Virgilia capensis (Blossom tree, Cape Lilac, Family: Fabaceae )
- Vismia baccifera (Sangrillo, Family: Hypericaceae )
- Vitex agnus-castus (Chaste Berry, Chasteberry, Hemptree, Agnus castus, Abraham's balm, Family: Lamiaceae )
- Vitex glabrata (Black Currant Tree, Smooth Chastetree, Family: Lamiaceae )
- Vitex lucens (Puriri, New Zealand Chaste tree, Family: Lamiaceae )
- Vitex megapotamica (Taruma, Family: Lamiaceae )
- Vitex negundo (Five-leaved Chaste Tree, Family: Lamiaceae )
- Vitex rotundifolia (Beach Vitex, Pohinahina, Roundleaf Chastetree, Kolokolo, Kahakai, Family: Lamiaceae )
- Vitex sp., Variety/cultivar: Variegata (Variegated Arabian Lilac, Family: Lamiaceae )
- Vitex trifolia, Variety/cultivar: Purpurea (Arabian Lilac, Family: Lamiaceae )
- Vitex trifolia, Variety/cultivar: Variegata (Variegated Arabian Lilac, Family: Lamiaceae )
- Vitis cinerea (Winter Grape, Possum Grape, Graybark Grape, Family: Vitaceae )
- Vitis rotundifolia, Muscadinia rotundifolia (Muscadine Grape, Scuppernong, Bullace, Southern Fox Grape, Family: Vitaceae )
- Vitis sp. (Grapevines, Family: Vitaceae )
- Vitis vinifera (Wine Grape, Family: Vitaceae )
- Voacanga africana (Wild Frangipani, Family: Apocynaceae )
- Voacanga foetida, Dicrus foetidus, Orchipeda foetida, Vinca foetida (Voacanga, Family: Apocynaceae )
- Voacanga schweinfurthii (Voacanga, Family: Apocynaceae )
- Voacanga sp. (Voacanga, Family: Apocynaceae )
- Vochysia lehmannii (Saladillo Blanco, Family: Vochysiaceae )
- Vriesea scalaris (Bromeliad, Family: Bromeliaceae )
- Vriesea sp. (Bromeliad, Family: Bromeliaceae )
- Wallenia laurifolia (Dominican Beauty, Family: Primulaceae )
- Wallichia disticha (Wallichia , Family: Arecaceae / Palmae )
- Warczewiczella amazonica, Cochleanthes amazonica (Cochleanthes, Family: Orchidaceae )
- Warscewiczia coccinea (Wild Poinsettia, Chaconia, Pride of Trinidad, Family: Rubiaceae )
- Washingtonia filifera (California Fan Palm, Desert Fan Palm, American Cotton Palm, Cotton Palm, Family: Arecaceae / Palmae )
- Washingtonia robusta (Washingtonia, Mexican Fan Palm, Family: Arecaceae / Palmae )
- Watsonia sp. (Watsonia, Family: Iridaceae )
- Wedelia trilobata, Sphagneticola trilobata (Wedelia, Singapore Daisy, Creeping-oxeye, Trailing Daisy, Family: Asteraceae )
- Weigela sp. (Weigela, Family: Caprifoliaceae )
- Welwitschia mirabilis (Welwitschia, Tumboa, Family: Welwitschiaceae )
- Wercklea ferox (Prickly Umbrella, Family: Malvaceae )
- Westringia fruticosa (Native Rosemary, Coastal Rosemary , Family: Lamiaceae )
- Whitfieldia elongata, Whitfieldia longiflora, Ruellia longifolia (White Candles, Family: Acanthaceae )
- Wigandia urens (Caracus Wigandia, Family: Boraginaceae )
- Wikstroemia uva-ursi (Akia, Family: Thymelaeaceae )
- Wisteria frutescens (American Wisteria)
- Wisteria sp. (Chinese Wisteria, Japanese Wisteria, American Wisteria, Family: Fabaceae )
- Withania somnifera (Ashwagandha, Indian Ginseng, Family: Solanaceae )
- Wodyetia bifurcata (Fox Tail, Family: Arecaceae / Palmae )
- Wollemia nobilis (Wollemi Pine, Family: Araucariaceae )
- Woodfordia uniflora (Woodfordia, Family: Lythraceae )
- Woodwardia orientalis (Oriental Chain Fern, Family: Blechnaceae )
- Worsleya procera, Worsleya rayneri (Empress of Brazil, Blue Amaryllis, Family: Amaryllidaceae )
- Wrightia antidysenterica (Snowflake, Milky way, Winter Cherry Tree, Arctic Snow, Pudpitchaya, Sweet Indrajao, Hyamaraca, Family: Apocynaceae )
- Wrightia dubia, Cameraria dubia, Wrightia cambodiensis (Starfish Flower, Red Wrightia, Family: Apocynaceae )
- Wrightia religiosa, Variety/cultivar: Variegata (Sacred Buddhist, Wondrous Wrightia, Family: Apocynaceae )
- Wrightia religiosa, Echites religiosa (Sacred Buddhist, Wondrous Wrightia, Wild Water Plum, Water Jasmine, Family: Apocynaceae )
- Wrightia tomentosa (Queen Wrightia, Family: Apocynaceae )
- Wrightia vietnamensis (Dwarf Sacred Buddhist, Family: Apocynaceae )
- x Amarcrinum, x Crinodonna (Amarcrinum, Family: Amaryllidaceae )
- x Chitalpa tashkentensis (Chitalpa, Family: Bignoniaceae )
- x Fatshedera lizei (Fatshedera, Ivy Tree, Family: Araliaceae )
- x Iwanagara (Iwanagara, Family: Orchidaceae )
- Xanthoceras sorbifolium (Shiny Leaf Yellowhorn, Goldenhorn, Chinese Flowering Chestnut, Family: Sapindaceae )
- Xanthophyllum obscurum, Banisterodes insigne, Banisterodes obscurum, Xanthophyllum insigne, Xanthophyllum scortechinii (Merbatu, Family: Polygalaceae )
- Xanthorrhoea sp. (Grass Tree, Family: Xanthorrhoeaceae )
- Xanthosoma albomarginata, Xanthosoma atrovirens albomarginata (Mickey Mouse Taro, Mouse Cup, Pocket Plant, Family: Araceae )
- Xanthosoma sagittifolium, Xanthosoma violaceum, Xanthosoma atrovirens, Arum nigrum, Xanthosoma nigrum (Tannia, Malanga Blanca, Yautia, Cocoyam, Eddo, Coco, Sato-imo, Japanese Potatoes, Family: Araceae )
- Xanthosoma sp. (Xanthosoma, Family: Araceae )
- Xanthostemon aurantiacus (Xanthostemon, Family: Myrtaceae )
- Xanthostemon chrysanthus (Golden Penda, Expo gold, Junjum, Family: Myrtaceae )
- Xanthostemon verticillatus (Little Penda, Family: Myrtaceae )
- Xanthostemon youngii (Crimson Penda, Family: Myrtaceae )
- Xerochrysum bracteatum, Helichrysum bracteatum, Bracteantha bracteata (Strawflower, Paper Daisy, Everlasting Daisy, Family: Asteraceae )
- Xerosicyos danguyi (Silver Dollar Plant, Family: Cucurbitaceae )
- Xerosicyos perrieri (Xerosicyos, Family: Cucurbitaceae )
- Xerosicyos pubescens, Zygosicyos pubescens (Xerosicyos, Family: Cucurbitaceae )
- Xiphidium caeruleum (Palmita, Soskia, Cola de Paloma , Family: Haemodoraceae )
- Xylia xylocarpa (Burma Ironwood, Pyinkado, Jambu, Family: Fabaceae )
- Xylobium leontoglossum, Maxillaria leontoglossa (Lion's Tongue, Family: Orchidaceae )
- Xylotheca kraussiana (Family: Achariaceae )
- Yucca sp. (Yucca, Adams Needle, Family: Asparagaceae )
- Zamia fairchildiana (Fairchild's Zamia , Family: Zamiaceae )
- Zamia furfuracea (Cycad, Cardboard Palm, Family: Zamiaceae )
- Zamia integrifolia, Zamia floridana (Coontie, Coontie Palm, Koonti, Family: Zamiaceae )
- Zamia sp. (Coontie Palm, Family: Zamiaceae )
- Zamioculcas zamiifolia, Caladium zamiaefolium, Zamioculcas lanceolata, Zamioculcas loddigesii (Aroid Palm, ZZ Plant, Family: Araceae )
- Zantedeschia aethiopica, Calla aethiopica (Arum Lily, Calla Lily, Family: Araceae )
- Zantedeschia sp. (Arum Lily, Calla Lily, Family: Araceae )
- Zanthoxylum americanum (American Prickly Ash, Toothache Tree, Family: Rutaceae )
- Zanthoxylum beecheyanum (Chinese Pepper Tree, Family: Rutaceae )
- Zanthoxylum fagara (Wild Lime, Colima, Lime Prickly Ash, Family: Rutaceae )
- Zephyranthes sp. (Fairy Lily, Zephyr Lily, Magic Lily, Atamasco Lily, Rain Lily, Family: Amaryllidaceae )
- Zeuxine strateumatica (Schlechter soldier's orchid, Centipede Grass Orchid, Family: Orchidaceae )
- Zingiber cochinchinense (Chinese Ginger, Family: Zingiberaceae )
- Zingiber collinsii (Ginger Silver Streaks, Family: Zingiberaceae )
- Zingiber gramineum (Grassy Ginger, Family: Zingiberaceae )
- Zingiber malaysianum (Black Ginger, Midnight Ginger , Family: Zingiberaceae )
- Zingiber neglectum (Jewel Pagoda, Family: Zingiberaceae )
- Zingiber newmanii (Red Frogs Ginger, Family: Zingiberaceae )
- Zingiber officinale (Spice Ginger, Edible Ginger, Common Ginger, Cooking Ginger, Canton Ginger, Halia, Family: Zingiberaceae )
- Zingiber parishii (Lemon Lights, Family: Zingiberaceae )
- Zingiber pellitum (Ginger, Family: Zingiberaceae )
- Zingiber peninsulare (Red Thai Ginger, Family: Zingiberaceae )
- Zingiber rubens (Bengal Ginger , Family: Zingiberaceae )
- Zingiber sp., Variety/cultivar: Golden Princess (Golden Princess, Family: Zingiberaceae )
- Zingiber sp., Variety/cultivar: Firecracker (Firecracker, Family: Zingiberaceae )
- Zingiber spectabile (Beehive Ginger, Microfono, Family: Zingiberaceae )
- Zingiber zerumbet (Pine Cone Ginger, Shampoo Ginger, Family: Zingiberaceae )
- Zinnia sp. (Zinnia, Family: Asteraceae )
- Ziziphus celata (Florida jujube, Florida ziziphus, Family: Rhamnaceae )
- Ziziphus jujuba, Ziziphus sativa (Chinese Date, Tree of Happiness, Family: Rhamnaceae )
- Ziziphus mauritiana (Indian jujube, Indian plum, Family: Rhamnaceae )
- Ziziphus mucronata, Ziziphus adelensis, Ziziphus mitis (Buffalo thorn, Cape thorn, Family: Rhamnaceae )
- Ziziphus spina-christi (Arabian jujube, Syrian Christ thorn, Family: Rhamnaceae )
- Zombia antillarum, Chamaerops antillarum, Coccothrinax anomala (Zombie Palm, Latanier Zombi, Family: Arecaceae / Palmae )
- Zygopetalum sp. (Zygopetalum, Family: Orchidaceae )
Nothing found