Coryanthes mastersiana is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Cymbidieae, subtribe: Stanhopeinae,  
Genus Coryanthes   section: Coryanthes 
Infraspecific taxa recognized within Coryanthes mastersiana: infraspecific taxa
This species is found in Colombia to NW. Ecuador.