Hesperostipa comata (Trin. & Rupr.) Barkworth Hesperostipa comata (Trin. & Rupr.) Barkworth in Phytologia 74(1): 16. 1993 sec. Dávila & al. 2018≡Stipa comata Trin. & Rupr., Sp. Gram. Stipac.: 75. 1842 syn. sec. Dávila & al. 2006