Rudbeckia subtomentosa Pursh. Phen: Jul-Sep. Hab: Moist to dry woodlands, prairies, disturbed areas. Dist: MI, IA, and OK south to nc. TN (Tennessee Flora Committee 2015), MS and TX; eastward as introductions or possibly disjuncts. Known for NC only from a single 1897 specimen from Hollow Rock, Orange Co. NC; probably an introduction.
Origin/Endemic status: Native
Synonymy: = Ar, C, F, FNA21, GrPl, Il, K1, K3, K4, Mi, NE, NY, S, SE1, Tn, Perdue (1957); = n/a – RAB