Prosthechea trulla (Rchb. f.) W.E. Higgins, Phytología 82(5): 381. 1998 sec. Soto-Arenas & al. 2007
- ≡Epidendrum trulla Rchb. f. in Bonplandia 4(14): 214. 1856 syn. sec. Solano Gómez & al. 2020
- =Epidendrum langlassei Schltr. in Beih. Bot. Centralbl. Abt. 2, 36(2): 404. 1918 syn. sec. Solano Gómez & al. 2020
- =Encyclia trulla (Rchb. f.) Christenson in Lindleyana 11(4): 222. 1996 syn. sec. Soto-Arenas & al. 2007
- =Anacheilium trulla (Rchb. f.) Withner & P.A. Harding, Cattleyas & Relatives: Debatable Epidendrums: 122. 2004 syn. sec. Soto-Arenas & al. 2007