| Author | Title | Journal/publisher | Literature ref. no. |
| McMurtry, D., Grobler, L., Grobler, J. & Burns, S. (2008) | Field Guide to the ORCHIDS of Northern South Africa and Swaziland | Umdaus Press, PO Box 11059 Hatfield 0028 South Africa | 534 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.