Flora of the Southeastern United States
2022 Edition

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ASTERACEAE

Nabalus asper (Michaux) Torrey & A. Gray. Rough Rattlesnake-root. Phen: Aug-Sep. Hab: Prairies, glades, and barrens, limestone woodlands. Dist: PA, OH, WI, MN, and SD south to c. TN, MS, LA, and OK. Discovered in AL (D. Estes, pers.comm. 2021).

Origin/Endemic status: Native

Syn: = Il, K4, S, Tn; = Nabalus asperus – K3; = Prenanthes aspera – Ar, C, F, FNA19, G, GrPl, K1, Oh3, SE1

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