Epidendrum porpax Rchb. f. in Bonplandia 3(15): 220. 1855 sec. Soto-Arenas & al. 2007
- =Epidendrum peperomia Rchb. f. in Bonplandia 2: 20. 1854 syn. sec. Soto-Arenas & al. 2007
- =Epidendrum gnomus Schltr. in Repert. Spec. Nov. Regni Veg. Beih. 9: 85. 1921 syn. sec. Solano Gómez & al. 2020
- =Epidendrum porphyrophyllum Schltr. in Repert. Spec. Nov. Regni Veg. Beih. 17: 37-38. 1922 syn. sec. Soto-Arenas & al. 2007
- =Neolehmannia peperomia (Rchb. f.) Garay & Dunst. in Venez. Orchid. Ill. 6: 37. 1976 syn. sec. Soto-Arenas & al. 2007
- =Neolehmannia porpax (Rchb. f.) Garay & Dunst. in Venez. Orchid. Ill. 6: 37. 1976 syn. sec. Bogarín & al. 2014