Rudbeckia sullivantii C.L. Boynton & Beadle. Phen: Aug-Oct. Hab: {habitats}. Dist: NY, MI, and MO south to PA, WV, and AR.
Origin/Endemic status: Native
Synonymy: = Il, S, Campbell & Seymour (2013); = Rudbeckia fulgida Aiton var. sullivantii (C.L.Boynton & Beadle) Cronquist – FNA21, G, SE1; = Rudbeckia speciosa Wender. var. sullivantii (C.L.Boynton & Beadle) B.L.Rob. – F; < Rudbeckia fulgida Aiton var. speciosa (Wendroth) Perdue – C, K1, NY, Pa; < Rudbeckia fulgida Aiton var. sullivantii (C.L.Boynton & Beadle) Cronquist – K4, Oh3
Heliophily: 8
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