| Author | Title | Journal/publisher | Literature ref. no. |
| Albers, F. & Meve, U. (eds.) (2002) | Asclepiadaceae | Illustrated Handbook of Succulent Plants Springer-Verlag | 888 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 3 |
| Fockea angustifolia |
| Fockea multiflora |
| Orbea huillensis subsp. huillensis |