Rudbeckia triloba var. rupestris
in A. Gray et al., Syn. Fl. N. Amer. 1(2): 260. 1884.
Endemic
Basionym: Rudbeckia rupestris Chickering Bot. Gaz. 6: 188. 1881
Treatment appears in FNA Volume 21. Treatment on page 60.
Cauline leaves (at least some) 3-lobed. Discs 15–20 mm diam. ray laminae 20–30 mm.
Phenology: Flowering mid summer–fall.
Habitat: Mesic woodlands
Elevation: 100–1200 m
Distribution
Iowa, Ky., N.C., Tenn.
Discussion
Selected References
None.
Lower Taxa
None.