Nabalus trifoliatus Cass. | Prenanthes trifoliolata (Cass.) Fernald | | | Nabalus trifoliatusCass. | Prenanthes trifoliolata(Cass.) Fernald |
Nabalus alatus Hook. | Prenanthes alata (Hook.) D. Dietr. | | | Nabalus alatusHook. | Prenanthes alata(Hook.) D. Dietr. |
Nabalus serpentarius (Pursh) Hook. | Prenanthes serpentaria Pursh | | | Nabalus serpentarius(Pursh) Hook. | Prenanthes serpentariaPursh |
Nabalus racemosus (Michx.) Hook. | Prenanthes racemosa Michx. | | | Nabalus racemosus(Michx.) Hook. | Prenanthes racemosaMichx. |
Nabalus altissimus (L.) Hook. | Prenanthes altissima L. | | | Nabalus altissimus(L.) Hook. | Prenanthes altissimaL. |
Nabalus albus (L.) Hook. | Prenanthes alba L. | | | Nabalus albus(L.) Hook. | Prenanthes albaL. |
Nabalus boottii DC. | Prenanthes boottii (DC.) D. Dietr. | | | Nabalus boottiiDC. | Prenanthes boottii(DC.) D. Dietr. |