Euphorbia glyptosperma Engelmann. Ridge-seed Spurge, Ribseed Sandmat. Phen: May-Oct. Hab: Calcareous glades, prairies, other sandy or gravelly soils. Dist: NL west to BC, south to NY, s. IN, c. TN, MO, TX, and Mexico (CHH, COA, NLE, TAM, ZAC).
Origin/Endemic status: Native
Synonymy: = C, F, FNA12, G, GrPl, K3, K4, Mex, Mi, NE, NY, Tn, Tx, Govaerts, Frodin, & Radcliffe-Smith (2000); = Chamaesyce glyptosperma (Engelm.) Small – Il, K1, NcTx; = n/a – RAB
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