Phalaenopsis sumatrana is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Vandeae, subtribe: Aeridinae,  
Genus Phalaenopsis   subgenus Polychilos  section: Zebrinae 
Infraspecific taxa recognized within Phalaenopsis sumatrana: infraspecific taxa
This species is found in Indo-China to W. Malesia and Philippines (Palawan).