Phalaenopsis hygrochila is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Vandeae, subtribe: Aeridinae,  
Genus Phalaenopsis   subgenus Hygrochilus
Infraspecific taxa recognized within Phalaenopsis hygrochila: infraspecific taxa
This species is found in Assam to China (SW. & S. Yunnan) and Indo-China.