Dendrobium harveyanum is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Dendrobieae, subtribe: Dendrobiinae,  
Genus Dendrobium   section: Densiflora 
Infraspecific taxa recognized within Dendrobium harveyanum: infraspecific taxa
This species is found in China (S. Yunnan) to Indo-China.