*Euphorbia hirta Linnaeus. Phen: (Jan-) Jun-Oct (-Dec). Hab: Fields, disturbed ground, waste areas, in and around greenhouses, perhaps only adventive in the northern part of our area. Dist: E. NC, c. SC, south to s. FL, west to TX, and south through Mexico, and Central and South America, the pre-Columbian distribution obscure. Reported for Goldsboro, NC and Abbeville, Abbeville County, SC (C.N. Horn, pers.comm. 2008).
Origin/Endemic status: Native
Synonymy: = Ar, Bah, C, FNA12, G, K3, K4, Mex, Mi, NY, RAB, Tx, Govaerts, Frodin, & Radcliffe-Smith (2000); = Chamaesyce hirta (L.) Millsp. – Fl2, K1, NcTx, S, WH3