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