Nabalus barbatus (Torrey & A. Gray) A. Heller. Barbed Rattlesnake-root, Flatwoods Rattlesnake-root, Prairie Lion’s-foot. Phen: Aug-Oct. Hab: Limestone glades, calcareous barrens, and calcareous oak flatwoods. Dist: C. TN (Western Highland Rim) (Chester, Wofford, & Kral 1997), nw. GA, and n. AL west to se. AR, e. TX and w. LA.
Origin/Endemic status: Endemic
Synonymy ⓘ: = K3, K4, Tn; = n/a – C, F; = Prenanthes barbata (Torr. & A.Gray) Milstead – Ar, FNA19, K1, SE1; = Prenanthes serpentaria Pursh var. barbata Torr. & A.Gray; < Nabalus integrifolius Cass. – S, misapplied
Heliophily ⓘ: 8
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