Pleurothallis ruberrima is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Epidendreae, subtribe: Pleurothallidinae,  
Genus Pleurothallis   subgenus Pleurothallis
Infraspecific taxa recognized within Pleurothallis ruberrima: infraspecific taxa
This species is found in W. South America to NW. & N. Venezuela.