A bromiliad called Tillandsia growing on a tree in a cypress forest in Florida, USA. Tillandsia is a genus of around 540 species in the Bromeliad family (Bromeliaceae), found in the forests, mountains, and deserts, of Central and South America, and Mexico. A bromiliad called Tillandsia growing on a tree in a cypress forest in Florida, USA. Tillandsia is a genus of around 540 species in the Bromeliad family (Bromeliaceae), found in the forests, mountains, and deserts, of Central and South America