Genus
Hydrocotyle (Water pennyworts)
Hydrocotyle ranunculoides. Photo: (c) Zihao Wang, some rights reserved (CC BY)
Hydrocotyle, sometimes called water pennywort, Indian pennywort, marsh penny, thick-leaved pennywort and even white rot is a genus of prostrate, perennial aquatic or semi-aquatic plants formerly classified in the family Apiaceae, now in the family Araliaceae.