| Author | Title | Journal/publisher | Literature ref. no. |
| Pope, G.V. (1992) | Compositae | Flora Zambesiaca 6(1) | 100 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 6 |
| Centaurea praecox |
| Distephanus divaricatus |
| Vernonia amygdalina |
| Vernonia colorata subsp. colorata |
| Vernonia hirsuta |
| Vernonia perrottetii |