(Ill. Hort. )
| Author(s) | Year | Title | Publication | Page(s) | Illustration(s) | Comment(s) | Abstract |
|---|---|---|---|---|---|---|---|
| Dyer, RA | 1965 | New species and notes on type specimens of South African Encephalartos [Protologue(s): Encephalartos princeps; New combination(s): Encephalartos trispinosus] |
J. S. African Bot. 31(2): 111-121 |
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| Hutchinson, J; Rattray, G | 1933 | Cycadaceae |
Fl. Cap. (Harvey) 5(2): 24-44 |
43-44 | As synonym of E. laevifolius | ||
| Lemaire, CA | 1867 | Deux especes nouvelles d'Encephalartus (Cycadaceae) |
Ill. Hort. 14: 79-81 |
80-81 | Protologue description | ||
| Osborne, R | 1987 | Focus on Encephalartos ghellinckii |
Encephalartos 12: 16-23 |
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| Whitelock, LM | 2002 | The Cycads |
|
11, 25, 196-197 | Plates 268-271 | Description |
