| Didiereaceae | |
Alluaudia
| (Drake) Drake | Bull. Mus. Hist. Nat. (Paris) 9: 37 | 1903 |
| Didiereaceae | |
Alluaudiopsis
| Humbert & Choux | Compt. Rend. Hebd. Séances Acad. Sci. 199: 1651 | 1934 |
| Didiereaceae | |
Calyptrotheca
| Gilg | Bot. Jahrb. Syst. 24: 307 | 1897 |
| Didiereaceae | |
Ceraria
| H. Pearson & Stephens | Ann. S. African Mus. 9: 32 | 1912 |
| Didiereaceae | ! |
Decarya
| Choux | Compt. Rend. Hebd. Séances Acad. Sci. 188: 1620 | 1929 |
| Didiereaceae | ** |
Decaryia
| Choux | Mém. Acad. Malgache 18: 62 | 1934 |
| Didiereaceae | |
Didiera
| Post & Kuntze | Lex. Gen. Phan. 173 | 1903 |
| Didiereaceae | ! |
Didierea
| Baill. | Bull. Mens. Soc. Linn. Paris 258 | 1880 |
| Didiereaceae | * |
Haenkea
| Salisb. | Prodr. Stirp. Chap. Allerton 174 | 1796 |
| Didiereaceae | |
Portulacaria
| Jacq. | Collectanea 1: 160, t. 22 | 1786 [1787] |