| Author | Title | Journal/publisher | Literature ref. no. |
| Troupin, G. (1978) | Crassulaceae | Flore du Rwanda Spermatophytes Volume I 334-340 | 1431 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 6 |
| Bryophyllum pinnatum |
| Bryophyllum tubiflorum |
| Crassula alsinoides |
| Crassula vaginata |
| Kalanchoe crenata |
| Kalanchoe marmorata (cultivated) |