xx Vernonia oligocephala (DC.) Sch.Bip. ex Walp. [ Vernonia kraussii Sch.Bip. ex Walp.]
no HD illustration available (m1)

Vernonia oligocephala [Vernonia kraussii Sch.Bip. ex Walp.] [Compositae]
H.G.A. Engler, O. Drude, Veg. Erde, vol. 9(2): : p. 444, fig. 377 (1908)