| Prenanthes
altissima
L. = Nabalus altissimus (L.) Hooker tall rattlesnake-root Native |
                   
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| Prenanthes
serpentaria
Pursh = Nabalus serpentarius (Pursh) Hook. lion's foot rattlesnake-root, gall-of-the-earth Endangered |
        
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| Prenanthes
trifoliolata
(Cass.) Fern. = Nabalus trifoliolatus Cass. tall rattlesnake-root, gall-of-the-earth Native |
                          
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