Epidendrum nocturnum is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Epidendreae, subtribe: Laeliinae,  
Genus Epidendrum   subgenus Epidendrum  section: Planifolia   subsection: Umbellata 
Infraspecific taxa recognized within Epidendrum nocturnum: infraspecific taxa
This species is found in S. Florida, Mexico to Trop. America.