Maxillaria friedrichsthalii Rchb. f. in Bot. Zeitung (Berlin) 10(49): 858. 1852 sec. Soto-Arenas & al. 2007
- =Maxillaria turialbae Schltr. in Beih. Bot. Centralbl. Abt. 2, 36(2): 414-415. 1918 syn. sec. Solano Gómez & al. 2020
- =Rhetinantha friedrichsthalii (Rchb. f.) M.A. Blanco in Lankesteriana 7(3): 534. 2007 syn. sec. Schuiteman & Chase 2015