Eupatorium pubescens Muhlenberg ex Willdenow. Phen: Jul-Sep. Hab: Forests and woodlands, woodland edges, roadbanks. Dist: Primarily in the Appalachians and adjacent provinces, ranging from ME west to OH, south to n. GA, n. AL, AR and LA; the distribution, abundance, and phenology of E. pubescens need additional study because of frequent lumping with E. rotundifolium.
Origin/Endemic status: Native
Syn: = F, NE, NY, Va, WV; = Eupatorium rotundifolium var. ovatum – Ar, C, FNA21, G, K1, K3, K4, Oh3, Pa, SE1, W, Cronquist (1985); < Eupatorium pubescens – S, (also see E. cordigerum); < Eupatorium rotundifolium – GW2; < Eupatorium rotundifolium ssp. ovatum – Montgomery & Fairbrothers (1970); < Eupatorium rotundifolium var. ovatum – RAB, (also see E. cordigerum)