Acianthera angustifolia (Lindl.) Luer in Monogr. Syst. Bot. Missouri Bot. Gard. 112: 118. 2007 sec. Solano Gómez 2015
- ≡Pleurothallis angustifolia Lindl., Edwards's Bot. Reg. 21: sub. t. 1797. 1835 syn. sec. Soto-Arenas & al. 2007
- =Pleurothallis carioi Schltr. in Repert. Spec. Nov. Regni Veg. 15(427-433): 205. 1918 syn. sec. Soto-Arenas & al. 2007