| Author | Title | Journal/publisher | Literature ref. no. |
| Roessler, H. (1975) | The Compositae of the Flora Zambesiaca Area, 5 Subtribe Gorteriinae. | Kirkia 10(1) 73-99 | 813 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 6 |
| Berkheya radula |
| Gazania krebsiana subsp. serrulata |
| Hirpicium bechuanense |
| Hirpicium echinus |
| Hirpicium gazanioides |
| Hirpicium gorterioides subsp. gorterioides |