Section Ampullaria Pfitzer in Engl. & Prantl, Nat. Pflanzenfam. II, 6 (1889) 174 (section of Dendrobium)
Subsection Aporopsis Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 565 (as subsection of Dendrobium sect. Rhopalanthe)
Genus Ceraia Lour., Fl. Cochinch. 2 (1790) 518
Section Clavatae Ridl., J. Linn. Soc., Bot. 32 (1894) 232 (section of Dendrobium)
Section Crumenata (Pfitzer) Brieger in Schltr., Orchideen, ed. 3, I/A (1981) 671 (section of Aporum)
Subgenus Crumenata (Pfitzer) Kraenzl. in Engl., Pflanzenr. IV. 50. II. B. 21 (1910) 26 (subgenus of Dendrobium)
Section Rhopalanthe Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 449 (section of Dendrobium)
Subgenus Rhopalobium Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 441 (subgenus of Dendrobium)
Section Virgatae Hook.f., Fl. Brit. Ind. 5 (1890) 711 (section of Dendrobium)