| Author | Title | Journal/publisher | Literature ref. no. |
| Troupin, G. (1978) | Piperaceae | Flore du Rwanda Spermatophytes Volume I 284-288 | 1418 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 5 |
| Peperomia leptostachya |
| Peperomia retusa |
| Peperomia tetraphylla |
| Piper capense var. capense |
| Piper umbellatum |