Robinson, H. (1999) Revisions in paleotropical Vernonieae (Asteraceae) Proc. Biol. Soc. Washington 112(1) 220-247
Robinson, H. (2009) Additions to the Genus ORBIVESTUS H. Rob. (ASTERACEAE: VERNONIEAE) and neotypification of Vernonia teitensis O. Hoffm. Phytologia 91(3) 483-493
Worldwide: 13 species throughout tropical Africa and northern South Africa. Also in the Arabian Peninsula, Pakistan and India. Zambia: 3 taxa. |
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| Species | FZ divisions | Content |
| catumbensis (Hiern) H.Rob. | W | |
| karaguensis (Oliv. & Hiern) H.Rob. | N,W | Description, Image |
| undulatus (Oliv. & Hiern) H.Rob. | W | Description |