Didiereaceae
Alluaudia Drake, Compt. Rend. Acad. Sci. Par. cxxxiii. (1901) 240.Alluaudiopsis Humbert & Choux, Compt. Rend. cxxxiii. 240 (1901), obs.; et Bull. Mus. Hist. Nat. Paris, 1903. 9. 37.
Decarya Choux, Compt. Rend. 1934, cxcix. 1651.Decaryia (Decarya) Choux & Choux, Compt. Rend, 1929, 188. 1620, obs.