Eupatorium scabridum Elliott. Roughleaf Eupatorium. Phen: Late Jul-Oct. Hab: Pine savannas, wet pinelands, dry, gravelly oak savannas and probably oak-shortleaf pine savannas and open woodlands, powerlines, roadbanks (in grassland remnants). Dist: SC south to n. FL, west to AR, LA, and OK.
Origin/Endemic status: Endemic
Syn: = GW2, S; = Eupatorium rotundifolium L. var. scabridum (Elliott) A.Gray – Ar, FNA21, K1, K3, K4, SE1; = n/a – C, RAB; < Eupatorium rotundifolium L. – F, Fl7, Tx, WH3; < Eupatorium rotundifolium L. ssp. rotundifolium – Montgomery & Fairbrothers (1970); < Eupatorium scabridum Elliott – Tn
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