Cattleya alagoensis is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Epidendreae, subtribe: Laeliinae,  
Genus Cattleya   subgenus Cattleyella  series: Sophronitis 
Infraspecific taxa recognized within Cattleya alagoensis: infraspecific taxa
This species is found in Brazil (Alagoas).