Bouteloua bracteata (McVaugh) Columbus Bouteloua bracteata (McVaugh) Columbus in Aliso 18(1): 63. 1999 sec. Dávila & al. 2018≡Opizia bracteata McVaugh, Fl. Novo-Galiciana 14: 269-270, f. 16a-e. 1983 syn. sec. Dávila & al. 2006