Panicum virgatum Linnaeus var. virgatum . Section: Hiantes. Switchgrass. Phen: Jun-Oct. Hab: Dry or wet sandy soils of pinelands, fresh and brackish marshes, tidal swamps, interdune swales and ponds, riverside scour prairies, mafic fens, calcareous fens and spring marshes, rocky river shores and bars, and also frequently planted. Dist: Sw. QC and ND south to FL and TX, west to NV; Bermuda; Central and South America.

Origin/Endemic status: Native

Synonymy: = F, HC, S, Va, Sorrie (2018b) in Weakley et al (2018a); < Panicum virgatum L. – Ar, C, ETx1, FlGr, FNA25, G, GW1, Il, Mi, NcTx, NY, Pa, RAB, Tn, Tx, Tx, W, WH3, WV, Lelong (1986); < Panicum virgatum L. var. virgatum – K1, K3, K4

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