| Hutchinson, J; Rattray, G |
1933 |
Cycadaceae |
Fl. Cap. (Harvey) 5(2): 24-44
|
38-39 |
|
Description |
|
| Kemp, M |
1985 |
Focus on Encephalartos longifolius |
Encephalartos 1: 6-13
|
|
|
|
|
| Lehmann, JG |
1834 |
De plantis cycadeis, praesertim Africae Australis  |
Nov. Stirp. Pug. 6: 1-14
|
14 |
|
Protologue description |
|
| Miquel, FA |
1842 |
Monographia Cycadearum |
Monogr. Cycad. : 1-82
|
54-55 |
|
Description |
|
| Miquel, FA |
1861 |
Prodromus systematis cycadearum |
Prodr. Syst. Cycad. 10: 1-27
|
9 |
|
|
|
| Miquel, FA |
1848 |
Over eenige nieuwe of zeldzame Cycadeen in den Hortus Botanicus te Amsterdam. Derde gedeelte |
Tijdschr. Wis- Natuurk. Wetensch. Eerste Kl. Kon. Ned. Inst. Wetensch. 1(4): 197-208
|
207 |
|
|
|
| Regel, EA |
1876 |
Cycadearum generum specierumque revisio |
Trudy Imp. S.-Peterburgsk. Bot. Sada 4(4): 275-320
|
292 |
|
|
|
| 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
|
112-113 |
|
Description |
|
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