Cyrtochilum angustatum is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Cymbidieae, subtribe: Oncidiinae,  
Genus Cyrtochilum   section: Angustatium 
Infraspecific taxa recognized within Cyrtochilum angustatum: infraspecific taxa
This species is found in Colombia, Ecuador, Peru.