The Orchid Society of Rio Grande do Norte State, Brazil, through its Group of Experimental Interactive Research (SORN/GEPI), has been study- ing the occurrence of Cattleya granulosa Lindley, 1842, specifically in the coastal sand plain and dune vegetation (“restinga”) and in remaining patches of Atlantic Rainforest in the state. 

Palabras clave: Cattleya granulosa, Brazil, habitat destruction, re-introduction, plant morphology