Bouteloua rigidiseta (Steud.) Hitchc. in J. Wash. Acad. Sci. 23(10): 453. 1933 sec. Dávila & al. 2018
- ≡Aegopogon rigidisetus Steud., Syn. Pl. Glumac. 1: 146. 1854 syn. sec. Dávila & al. 2006
- =Bouteloua texana S. Watson in Proc. Acad. Arts 18: 196. 1883 syn. sec. Dávila & al. 2006
- =Polyodon texanus (S. Watson) Nash, Fl. S.E. U.S.: 138, 1327. 1903 syn. sec. Dávila & al. 2006