Stelis perplexa Ames, Schedul. Orch. 1: 7-8. 1922.
TYPE: Guatemala. Alta Verapaz: banks of Chisaxte River, below Secanquim, alt 250 m, 9 May 1905, H. Pittier 308 (holotype, US; isotype, AMES; detail of the isotype, AMES).