| Author | Title | Journal/publisher | Literature ref. no. |
| Thulin, M. (1983) | Campanulaceae | Flora Zambesiaca 7(1) | 130 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 5 |
| Gunillaea rhodesica |
| Wahlenbergia banksiana |
| Wahlenbergia napiformis |
| Wahlenbergia ramosissima subsp. lateralis |
| Wahlenbergia undulata |