| Author | Title | Journal/publisher | Literature ref. no. |
| Bruyns, P.V. (2014) | The Apocynaceae of Namibia | Strelitzia 34 SANBI, Pretoria, South Africa | 931 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 6 |
| Carissa spinarum |
| Cryptolepis oblongifolia |
| Cynanchum schistoglossum |
| Fockea angustifolia |
| Pergularia daemia subsp. daemia |
| Tacazzea apiculata |