Masdevallia mejiana is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Epidendreae, subtribe: Pleurothallidinae,  
Genus Masdevallia   subgenus Masdevallia  section: Reichenbachianae 
Infraspecific taxa recognized within Masdevallia mejiana: infraspecific taxa
This species is found in Colombia (Antioquia).