Setaria palmeri Henrard in Blumea 3(3): 415. 1940 sec. Dávila & al. 2018
- =Chaetochloa rigida Scribn. & Merr. in Bull. Div. Agrostol., U.S.D.A. 21: 30. 1900 syn. sec. Dávila & al. 2006
- =Setaria rigida (Scribn. & Merr.) K. Schum. in Just's Bot. Jahresber. 28(1): 417. 1902 syn. sec. Dávila & al. 2006