Bouteloua barbata var. sonorae (Griffiths) Gould Bouteloua barbata var. sonorae (Griffiths) Gould in Ann. Missouri Bot. Gard. 66: 403. 1980 ["1979"] sec. Dávila & al. 2018≡Bouteloua sonorae Griffiths in Contr. U.S. Natl. Herb. 14(3): 389, f. 43. 1912 syn. sec. ???