Bulbophyllum macraei is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Dendrobieae, subtribe: Dendrobiinae,  
Genus Bulbophyllum   section: Macrostylida 
Infraspecific taxa recognized within Bulbophyllum macraei: infraspecific taxa
This species is found in E. India, Sri Lanka, E. Himalaya to Japan (Yakushima, Taneyasima).