Rudbeckia triloba Linnaeus var. rupestris (Chickering) A. Gray. Blue Ridge Three-lobed Coneflower. Phen: Jul-Oct. Hab: Moist forests and rock outcrops. Dist: A Southern Appalachian endemic: KY south to NC and TN.
Origin/Endemic status: Endemic
Synonymy: = F, FNA21, K1, SE1, Tn, Perdue (1957); = Rudbeckia rupestris Chick. – S; < Rudbeckia triloba L. – RAB, W; < Rudbeckia triloba L. var. pinnatiloba Torr. & A.Gray – K4; < Rudbeckia triloba L. var. triloba – C
Wetland Indicator Status:
- Eastern Mountains and Piedmont: FACU (taxonomic split from wetland indicator species)
- Great Plains: FACU (taxonomic split from wetland indicator species)
- Midwest: FACU (taxonomic split from wetland indicator species)
- Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)
Heliophily ?: 8
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