)
| Author(s) | Year | Title | Publication | Page(s) | Illustration(s) | Comment(s) | Abstract |
|---|---|---|---|---|---|---|---|
| Burtt Davy, J | 1926 | A manual of the flowering plants and ferns of the Transvaal with Swaziland, South Africa. Part I: Pteridophyta to Bombacaceae |
Man. Pl. Transvaal |
40, 99 | Protologue description | ||
| Hutchinson, J; Rattray, G | 1933 | Cycadaceae |
Fl. Cap. (Harvey) 5(2): 24-44 |
43 | Description | ||
| Osborne, R | 1989 | Focus on Encephalartos laevifolius |
Encephalartos 19: 2-8 |
