Asclepias viridiflora Rafinesque. Glade Milkweed, Green Milkweed. Phen: (Apr-) May-Aug; Aug-Sep. Hab: Open woodlands, woodland edges, barrens, glades, especially over mafic or calcareous rocks, and also in disturbed areas. Dist: CT west to s. ON, MB, ND, and MT, south to NC, SC, GA, Panhandle FL, AL, LA, TX, n. Mexico (CHH, COA, DGO, NLE), NM, and AZ.

Origin/Endemic status: Native

Synonymy: = Ar, C, Fl5, FNA14, GrPl, Il, K1, K3, K4, Mex, Mi, Mo2, NcTx, NE, NY, Ok, Pa, RAB, Tn, Tx, Va, W, WH3, Woodson (1954); = Acerates viridiflora (Raf.) Pursh ex Eaton – G, S, Tat; > Asclepias viridiflora Raf. var. lanceolata (Ives) Torr. – F; > Asclepias viridiflora Raf. var. linearis (A.Gray) Fernald – F; > Asclepias viridiflora Raf. var. viridiflora – F

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Heliophily: 9