Marsilea mutica (Waterclover)
Botanical name: Marsilea mutica
Common name: Waterclover
Family: Marsileaceae
Origin: Australia
Marsilea mutica can be grown as a potted plant, either just with soil kept wet, or semi-submerged, with fronds emergent from the water, or fully-submerged, with the fronds floating on the surface of the water.
Floating leaves with a distinctive pattern of green, yellow and red mounds up in very shallow water.
Similar plants: Marsilea mutica (Waterclover)
Link to this plant:
https://toptropicals.com/catalog/uid/marsilea_mutica.htm