Dendrobium calophyllum is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Dendrobieae, subtribe: Dendrobiinae,  
Genus Dendrobium   section: Spatulata 
Infraspecific taxa recognized within Dendrobium calophyllum: infraspecific taxa
This species is found in Jawa (Kep. Kangean), Lesser Sunda Is., Maluku.