Echinochloa polystachya (Kunth) Hitchc. in Contr. U.S. Natl. Herb. 22(3): 135, f. 26. 1920 sec. Dávila & al. 2018
- ≡Oplismenus polystachyus Kunth, Nov. Gen. Sp. (quarto ed.) 1: 107. 1815 syn. sec. Dávila & al. 2006
- =Panicum spectabile Nees ex Trin., Gram. Panic.: 138. 1826 syn. sec. Dávila & al. 2006
- =Echinochloa spectabilis (Nees) Link, Hort. Berol. 2: 209. 1833 syn. sec. Dávila & al. 2006
- =Panicum bonplandianum Steud., Syn. Pl. Glumac. 1: 48. 1853 syn. sec. Dávila & al. 2006
- =Echinochloa polystachya var. spectabilis (Nees ex Trin.) Mart. Crov. in Revista Argent. Agron. 9: 318. 1942 syn. sec. Dávila & al. 2006