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