| 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
|
|
|
|
|
| Hutchinson, J; Rattray, G |
1933 |
Cycadaceae |
Fl. Cap. (Harvey) 5(2): 24-44
|
42-43 |
|
Description |
|
| Kemp, M |
1991 |
Focus on Encephalartos cycadifolius |
Encephalartos 26: 3-7
|
|
|
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|
| Lehmann, JG |
1834 |
De plantis cycadeis, praesertim Africae Australis  |
Nov. Stirp. Pug. 6: 1-14
|
13 |
|
Protologue description |
|
| Miquel, FA |
1842 |
Monographia Cycadearum |
Monogr. Cycad. : 1-82
|
43-44 |
Tab. 1, figs. y-z |
Description |
|
| Miquel, FA |
1861 |
Prodromus systematis cycadearum |
Prodr. Syst. Cycad. 10: 1-27
|
8 |
|
|
|
| Regel, EA |
1876 |
Cycadearum generum specierumque revisio |
Trudy Imp. S.-Peterburgsk. Bot. Sada 4(4): 275-320
|
287, 288 |
|
|
|
| Regel, EA |
1875 |
Descriptiones plantarum novarum et minus cognitarum in regionibus Turkestanicis a Cl. P. et O. Fedschenko, Korolkow, Kuschakewicz et Krause collectis : Cum adnotationibus ad plantas vivas in Horto Imperiali Botanico Petropolitano cultas |
Trudy Imp. S.-Peterburgsk. Bot. Sada 3: 97-168
|
111-112 |
|
Description |
|
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