Brassavola grandiflora is species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Epidendreae, subtribe: Laeliinae,  
Genus Brassavola  This name is a synonym of Brassavola nodosa var. nodosa
Infraspecific taxa recognized within Brassavola grandiflora: infraspecific taxa
This species is found in C. America to Colombia.