| Author | Title | Journal/publisher | Literature ref. no. |
| Summerhayes, V.S. (1964) | African orchids XXIX | Kew Bulletin 17(3) 511-561 | 1132 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 1 |
| Bonatea steudneri |