Author(s) | Year | Title | Publication | Page(s) | Illustration(s) | Comment(s) | Abstract |
---|---|---|---|---|---|---|---|
Giddy, C | 1990 | Focus on Encephalartos ngoyanus |
Encephalartos 23: 4-9 |
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Verdoorn, IC | 1949 | Encephalartos ngoyanus. Natal. |
Fl. Pl. Africa 27 |
pls. 1053-1054 | Pls 1053, 1054 | Protologue description |