Nabalus crepidineus (Michaux) A.P. de Candolle. Midwestern Rattlesnake-root. Phen: Aug-Nov. Hab: Bottomland forests, rich mesic forests, moist to dryish woodlands, prairies, barrens. Dist: W. NY MI s. WI, and se. MN south to sc. PA, e. WV, sw. VA, e. KY, e. TN, and s. AR.

Origin/Endemic status: Native

Synonymy: = Il, K3, K4, NY, S, Tn; = Prenanthes crepidinea Michx. – Ar, C, F, FNA19, G, K1, Mi, Oh3, Pa, SE1, WV

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: UPL
• Eastern Mountains and Piedmont: FACU
• Midwest: FAC
• Northcentral & Northeast: FAC

Heliophily: 7