Bulbophyllum cupreum is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Dendrobieae, subtribe: Dendrobiinae,  
Genus Bulbophyllum   section: Racemosae 
Infraspecific taxa recognized within Bulbophyllum cupreum: infraspecific taxa
This species is found in Arunachal Pradesh to Pen. Malaysia.