Holcoglossum wangii is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Vandeae, subtribe: Aeridinae,  
Genus Holcoglossum 
Infraspecific taxa recognized within Holcoglossum wangii: infraspecific taxa
This species is found in China (SE. Yunnan, SW. Guangxi) to N. Vietnam.