| Author | Title | Journal/publisher | Literature ref. no. |
| Summerhayes, V.S. (1956) | African orchids XXIII | Kew Bulletin 11(2) 217-236 | 1126 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 5 |
| Corymborkis corymbis |
| Cynorkis debilis |
| Platylepis glandulosa |
| Polystachya adansoniae |
| Polystachya transvaalensis |