| Author | Title | Journal/publisher | Literature ref. no. |
| Darbyshire, I., Vollesen, K. & Kelbessa, E. (2010) | Acanthaceae (Part 2) | Flora of Tropical East Africa Royal Botanic Gardens, Kew. | 596 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 4 |
| Asystasia intrusa |
| Habenaria zambesina |
| Justicia betonica |
| Pseuderanthemum subviscosum |