Echinochloa crus-galli var. mitis (Pursh) Peterm., Fl. Lips. Excurs.: 82. 1838 sec. Dávila & al. 2018
- =Panicum crus-galli var. brevisetum Döll, Fl. Baden: 232. 1857 syn. sec. Dávila & al. 2006
- =Panicum crus-galli f. hispidum Kuntze, Revis. Gen. Pl. 2: 783. 1891 syn. sec. Dávila & al. 2006
- =Echinochloa crus-galli f. mitis (Pursh) Farw. in Rep. (Annual) Michigan Acad. Sci. 21: 349. 1920 syn. sec. Dávila & al. 2006
- =Echinochloa crus-galli f. purpurea (Pursh) Farw. in Rep. (Annual) Michigan Acad. Sci. 21: 349. 1920 syn. sec. Dávila & al. 2006
- =Echinochloa muricata var. ludoviciana Wiegand in Rhodora 23: 58. 1921 syn. sec. Dávila & al. 2006
- =Echinochloa muricata var. multiflora Wiegand in Rhodora 23(267): 59-60. 1921 syn. sec. Dávila & al. 2006
- =Echinochloa microstachya (Wiegand) Rydb. in Brittonia 1(2): 82. 1931 syn. sec. Dávila & al. 2006
- =Echinochloa occidentalis (Wiegand) Rydb. in Brittonia 1(2): 82. 1931 syn. sec. Dávila & al. 2006
- =Echinochloa pungens var. ludoviciana (Wiegand) Fernald & Griscom in Rhodora 37: 137. 1935 syn. sec. Dávila & al. 2006
- =Echinochloa pungens var. microstachya (Wiegand) Fernald & Griscom in Rhodora 37: 137. 1935 syn. sec. Dávila & al. 2006
- =Echinochloa pungens var. multiflora (Wiegand) Fernald & Griscom in Rhodora 37: 137. 1935 syn. sec. Dávila & al. 2006
- =Echinochloa pungens var. occidentalis (Wiegand) Fernald & Griscom in Rhodora 37: 137. 1935 syn. sec. Dávila & al. 2006
- =Echinochloa pungens var. wiegandii Fassett in Rhodora 51: 2. 1949 syn. sec. Dávila & al. 2006
- =Echinochloa crus-galli var. microstachya (Wiegand) Shinners in Rhodora 56(662): 34. 1954 syn. sec. Dávila & al. 2006