Muhlenbergia gigantea (E. Fourn.) Hitchc., N. Amer. Fl. 17(6): 460. 1935 sec. Dávila & al. 2018
- ≡Epicampes gigantea E. Fourn., Biol. Cent.-Amer., Bot. 3: 548. 1885 syn. sec. Dávila & al. 2006
- =Epicampes bourgaei E. Fourn. ex Hemsl., Biol. Cent.-Amer., Bot. 3: 548. 1885 syn. sec. Dávila & al. 2006
- =Epicampes expansa E. Fourn., Biol. Cent.-Amer., Bot. 3: 548. 1885 syn. sec. Dávila & al. 2006
- =Epicampes laxiuscula E. Fourn., Biol. Cent.-Amer., Bot. 3: 549. 1885 syn. sec. Dávila & al. 2006
- =Epicampes bourgaei var. mutica E. Fourn., Mexic. Pl. 2: 88. 1886 syn. sec. Dávila & al. 2006
- =Epicampes ehrenbergii Mez in Repert. Spec. Nov. Regni Veg. 17: 212. 1921 syn. sec. Dávila & al. 2006
- =Muhlenbergia alta Hitchc., N. Amer. Fl. 17(6): 461. 1935 syn. sec. Dávila & al. 2006
- =Muhlenbergia magna Hitchc., N. Amer. Fl. 17(6): 460. 1935 syn. sec. Dávila & al. 2006