| Author | Title | Journal/publisher | Literature ref. no. |
| Germishuizen, G. & Meyer, N.L. (eds) (2003) | Plants of southern Africa: an annotated checklist. | Strelitzia 14 | 341 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 4 |
| Ceratopteris thalictroides |
| Equisetum ramosissimum subsp. ramosissimum |
| Selaginella dregei |
| Selaginella njamnjamensis |