Acianthera gracilisepala (Brade) Luer, Monogr. Syst. Bot. Missouri Bot. Gard. 95: 253 (2004).

* Pleurothallis gracilisepala Brade, Arch. Jard. Bot. Rio de Janeiro 11: 74 (1951).
Pleurothallis antennata Garay, Arch. Jard. Bot. Rio de Janeiro 12: 170 (1953).
Acianthera antennata (Garay) Pridgeon & M.W.Chase, Lindleyana 16: 242 (2001).