| Author | Title | Journal/publisher | Literature ref. no. |
| Agnew, A.D.Q. (2013) | Upland Kenya Wild Flowers and Ferns | Nature Kenya - The East Africa Natural History Society | 997 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 2 |
| Parochetus africanus |
| Plantago palmata |