Euphorbia serpens (Kunth) Small. Hierba de la Golondrina, Roundleaf Sandmat. Phen: (Jan-) Jul-Oct (-Dec). Hab: Dry sandy hammocks, disturbed uplands. Dist: OH, IN, IA, ND, and MT south to TN, LA, TX, NM, AZ, and s. Mexico. Allegedly in se. PA as a waif (Rhoads & Klein 1993).
Origin/Endemic status: Native
Synonymy: = Ar, C, F, FNA12, G, K3, K4, Mex, NE, NY, Pa, Tn, Tx, Govaerts, Frodin, & Radcliffe-Smith (2000); = Chamaesyce serpens (Kunth) Small – Fl2, GrPl, Il, K1, NcTx, S, WH3; = n/a – RAB
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