Cyanthillium cinereum (L.) H.Rob. [ Vernonia cinerea (L.) Less.]
no HD illustration available (m1)
Cyanthillium cinereum (L.) H.Rob. [Vernonia cinerea (L.) Less.] {-} [Compositae]
M. Blanco, Fl. Filip., ed. 3, vol. 2 (Atlas): t. 280 (1875)