Tillandsia caput-medusae E. Morren Tillandsia caput-medusae E. Morren, Belgique Hort. 30: 90. 1880 sec. Espejo-Serna & López-Ferrari 2018=Tillandsia langlassei Poiss. & Menet in Bull. Mus. Hist. Nat. (Paris) 14: 237-238. 1908 syn. sec. Espejo-Serna & López-Ferrari 2008