Eupatorium pilosum Walter. Ragged Eupatorium. Phen: Aug-Oct. Hab: Longleaf pine savannas, bogs, other wetlands, other moist areas, but also sometimes in surprisingly dry habitats, such as mesic and dry-mesic woodlands and woodland edges. Dist: MA south to c. peninsular FL, west to KY, c. TN, and MS; reports from w. LA need checking.

Origin/Endemic status: Native

Taxonomy Comments: E. pilosum is a species distinct from E. rotundifolium. There remains interesting morphologic and ecological variation included within this taxon needing careful study.

Synonymy: = C, F, Fl7, FNA21, GW2, K1, K3, K4, NE, NY, Pa, RAB, Tn, Va, WH3, WV, Cronquist (1985), Montgomery & Fairbrothers (1970), Schilling & Schilling (2015); = Eupatorium rotundifolium L. var. saundersii (Porter) Cronquist – G, SE1, W; = Eupatorium verbenaefolium Reichard – S

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