| Author | Title | Journal/publisher | Literature ref. no. |
| Fernandes, R. (1983) | Crassulaceae | Flora Zambesiaca 7(1) | 127 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 3 |
| Crassula schimperi subsp. schimperi |
| Crassula vaginata |
| Kalanchoe crenata |