Definition that contains genus nabalus
- rattlesnake root a plant of the genus Nabalus
- genus prenanthes 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
- prenanthes 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