Flora of the Southeastern United States
2022 Edition

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ASTERACEAE

Nabalus albus (Linnaeus) Hooker. Northern Rattlesnake-root. Phen: Jul-Nov. Hab: Forests, especially over calcareous substrates. Dist: ME west to MB, south to ne. NC, w. NC, WV, MO, and n. AR. Reports of N. albus from the Coastal Plain of NC and perhaps VA are based on P. alba ssp. pallida, which is invalidly published; additionally, specimens attributed to this taxon appear to belong to P. trifoliolata.

Origin/Endemic status: Native

Syn: = K3, K4, NE, S, Tn, Va; = Prenanthes alba – Ar, C, F, FNA19, G, GrPl, K1, Mi, Oh3, Pa, SE1, W, Johnson (1980); = Prenanthes alba ssp. alba – RAB

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image of plant© Erik Danielson [image randomly selected]
image of plant© Ward, Scott [image randomly selected]
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