Pycnanthemum virginianum (Linnaeus) T. Durand & B.D. Jackson ex B.L. Robinson & Fernald. Virginia Mountain-mint. Phen: Jun-Sep; Sep-Oct. Hab: Wet meadows, marshes, prairie sloughs, over calcareous or mafic rocks or sediments. Dist: ME west to ND, south to NC, nw. GA, n. AL, and OK.
Origin/Endemic status: Native
Taxonomy Comments: A tetraploid species (n = 40).
Synonymy: = Ar, C, F, G, GrPl, GW2, Il, K1, K3, K4, Mi, NY, Pa, RAB, Tn, Va, W, Chambers & Hamer (1992), Grant & Epling (1943); = Koellia virginiana (L.) MacMill. – S
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© Erik Danielson 
© Richard & Teresa Ware 
© Richard & Teresa Ware 
© Erik Danielson