| prenanthes | (n) genus of North American and Asiatic perennial herbs having pinnatisect leaves small heads of drooping yellowish to purple flowers; sometimes includes species often placed in genus Nabalus, Syn. genus Prenanthes |
| lion's foot | (n) common perennial herb widely distributed in the southern and eastern United States having drooping clusters of pinkish flowers and thick basal leaves suggesting a lion's foot in shape; sometimes placed in genus Prenanthes, Syn. gall of the earth, Nabalus serpentarius, Prenanthes serpentaria |
| rattlesnake root | (n) herb of central and southern Europe having purple florets, Syn. Prenanthes purpurea |
| white lettuce | (n) herb of northeastern North America having drooping clusters of yellowish-white flowers; sometimes placed in genus Prenanthes, Syn. cankerweed, Prenanthes alba, Nabalus alba |