Encyclia ambigua (Lindl.) Schltr., Orchideen (Schlechter): 208. 1914 sec. Carnevali & al. 2018
- ≡Epidendrum ambiguum Lindl., Fol. Orchid. (Epidendrum): 18-19. 1853 syn. sec. Soto-Arenas & al. 2007
- =Epidendrum virens Lindl. & Paxton in Paxton's Fl. Gard. 1: 152. 1850 syn. sec. Hágsater & Soto-Arenas 2003
- =Amblostoma tridactylum (Lindl.) Rchb. f. in Ann. Bot. Syst. 6: 485. 1863 syn. sec. Soto-Arenas & al. 2007
- =Encyclia virens (Lindl. & Paxton) Schltr., Orchideen (Schlechter): 212. 1914 syn. sec. Soto-Arenas & al. 2007
- =Encyclia trachychila (Lindl.) Schltr. in Beih. Bot. Centralbl. 36: 474. 1918 syn. sec. ???
- =Encyclia alborubra Archila, Chiron & Szlach. in Guatemalensis 30: 76-79. 2016 syn. sec. Solano Gómez & al. 2020