| Author | Title | Journal/publisher | Literature ref. no. |
| Lewis, J. (1960) | Cycadaceae (including Zamiaceae) | Flora Zambesiaca 1(1) | 68 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 6 |
| Cycas thouarsii |
| Encephalartos ferox subsp. ferox |
| Encephalartos gratus |
| Encephalartos hildebrandtii |
| Encephalartos manikensis |
| Encephalartos villosus |