Setaria reverchonii subsp. firmula (Hitchc. & Chase) W.E. Fox in Sida 18(4): 1041. 1999 sec. Dávila & al. 2018
- =Panicum firmulum Hitchc. & Chase in Contr. U.S. Natl. Herb. 15: 27-28, f. 9. 1910 syn. sec. Dávila & al. 2006
- =Setaria firmula (Hitchc. & Chase) Pilg., Nat. Pflanzenfam. (ed. 2) 14e: 72. 1940 syn. sec. Dávila & al. 2006