Diagnose: —A var. arcuans parvioribus, sepalis chartaceis, spicis angustioribus differt. Edited from (21-09-2012): Smith & Downs 1977. (protologue) Tillandsioideae (Bromeliaceae). in Flora Neotropica.
Edited from (21-09-2012): Smith & Downs 1977. (protologue) Tillandsioideae (Bromeliaceae). in Flora Neotropica.