| Author | Title | Journal/publisher | Literature ref. no. |
| Ghazanfar, S.A., Hepper, F.N. & Philcox, D. (2008) | Scrophulariaceae | Flora of Tropical East Africa | 579 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 2 |
| Halleria lucida |
| Sopubia mannii var. tenuifolia |