| Author | Title | Journal/publisher | Literature ref. no. |
| Cribb, P.J. (1977) | New orchids from South Central Africa | Kew Bulletin 32(1) 137-187 | 804 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 6 |
| Bolusiella iridifolia subsp. picea |
| Eulophia caricifolia |
| Eulophia obscura |
| Habenaria arianae |
| Nervilia crociformis |
| Summerhayesia zambesiaca |