Masdevallia pachyura is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Epidendreae, subtribe: Pleurothallidinae,  
Genus Masdevallia   subgenus Amanda  section: Amandae 
Infraspecific taxa recognized within Masdevallia pachyura: infraspecific taxa
This species is found in WC. & SW. Ecuador.