Bulbophyllum bulhartii is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Dendrobieae, subtribe: Dendrobiinae,  
Genus Bulbophyllum   section: Codonosiphon 
Infraspecific taxa recognized within Bulbophyllum bulhartii: infraspecific taxa
This species is found in New Guinea.