Echinochloa walteri (Pursh) A. Heller, Cat. N. Amer. Pl. (ed. 2): 21. 1900 sec. Dávila & al. 2018
- ≡Panicum walteri Pursh, Fl. Amer. Sept. 1: 66-67. 1814 syn. sec. Dávila & al. 2006
- =Panicum crus-galli var. hispidum Elliott, Sketch Bot. S. Carolina 1: 114. 1816 syn. sec. Dávila & al. 2006
- =Panicum longisetum Torr. in Amer. J. Sci. 4: 58. 1822 syn. sec. Dávila & al. 2006
- =Orthopogon hispidus Spreng., Syst. Veg. 1: 307. 1825 syn. sec. Dávila & al. 2006
- =Oplismenus longisetus Kunth, Révis. Gramin. 1: 45. 1829 syn. sec. Dávila & al. 2006
- =Oplismenus hispidus Alph. Wood, Class-book Bot.: 604. 1847 syn. sec. Dávila & al. 2006
- =Oplismenus crus-galli var. hispidus Alph. Wood in Amer. Bot. Fl. 2: 393. 1871 syn. sec. Dávila & al. 2006
- =Echinochloa longearistata Nash, Fl. S.E. U.S.: 84. 1903 syn. sec. Dávila & al. 2006
- =Panicum crus-galli var. walteri (Pursh) Farw. in Rep. (Annual) Michigan Acad. Sci. 6: 202. 1904 syn. sec. Dávila & al. 2006
- =Echinochloa walteri f. laevigata Wiegand in Rhodora 23(267): 62. 1921 syn. sec. Dávila & al. 2006
- =Echinochloa crus-galli var. hispida Farw. in Amer. Midl. Naturalist 9: 4. 1925 syn. sec. Dávila & al. 2006
- =Echinochloa crus-galli var. laevigata (Wiegand) Farw. in Amer. Midl. Naturalist 9: 4. 1925 syn. sec. Dávila & al. 2006
- =Echinochloa walteri f. breviseta Fernald & Griscom in Rhodora 37(436): 137. 1935 syn. sec. Dávila & al. 2006