Malaxis acianthoides (Schltr.) Ames in Proc. Biol. Soc. Washington 35: 84. 1922 sec. Soto-Arenas & al. 2007
- ≡Microstylis acianthoides Schltr. in Repert. Spec. Nov. Regni Veg. 15(427-433): 200. 1918 syn. sec. Solano Gómez & al. 2020
- =Malaxis pollardii L.O. Williams in Phytologia 32(1): 31. 1975 syn. sec. Soto-Arenas & al. 2007