Richardia scabra Linnaeus. Rough Mexican-clover. Phen: Jun -Dec. Hab: Roadsides, fields, vacant lots, urban areas, disturbed areas. Dist: Native of South America. Lewis & Oliver (1974) consider this species to be native from our area south through Central America into northern South America, based on the semi-contiguous distribution, but occurrences in our region seem to be in altered habitats.
Origin/Endemic status: South America
Syn: = C, F, Fl5, G, K1, K3, K4, Meso4.2, NcTx, RAB, S, Tx, Va, WH3, Lewis & Oliver (1974), Rogers (2005)