Panicum cyanescens Nees ex Trin., Gram. Panic.: 202. 1826 sec. Dávila & al. 2006
- =Panicum firmifolium Trin. ex Nees, Fl. Bras. Enum. Pl. 2(1): 220. 1829 syn. sec. Dávila & al. 2006
- =Panicum cyanescens var. contractum Trin. ex Döll, Fl. Bras. 2(2): 263. 1877 syn. sec. Dávila & al. 2006
- =Panicum cyanescens var. lamarckianum Döll, Fl. Bras. 2(2): 264. 1877 syn. sec. Dávila & al. 2006
- =Panicum cyanescens var. patens Trin. ex Döll, Fl. Bras. 2(2): 263. 1877 syn. sec. Dávila & al. 2006
- =Panicum cyanescens var. pubescens Trin. ex Döll, Fl. Bras. 2(2): 263. 1877 syn. sec. Dávila & al. 2006
- =Panicum cyanescens var. rigidiusculum Döll, Fl. Bras. 2(2): 263. 1877 syn. sec. Dávila & al. 2006
- =Panicum cyanescens var. trachycarpon Döll, Fl. Bras. 2(2): 264. 1877 syn. sec. Dávila & al. 2006
- =Panicum carannasense Mez in Notizbl. Bot. Gart. Berlin-Dahlem 7: 73. 1917 syn. sec. Dávila & al. 2006
- =Panicum contractum Mez in Notizbl. Bot. Gart. Berlin-Dahlem 7: 72. 1917 syn. sec. Dávila & al. 2006
- =Panicum hololeucum Mez in Notizbl. Bot. Gart. Berlin-Dahlem 7: 72. 1917 syn. sec. Dávila & al. 2006
- =Panicum rectissimum Mez in Notizbl. Bot. Gart. Berlin-Dahlem 7: 73. 1917 syn. sec. Dávila & al. 2006
- =Panicum appressifolium Swallen in Mem. New York Bot. Gard. 9(3): 258. 1957 syn. sec. Dávila & al. 2006
- =Panicum vinnulum Swallen in Phytologia 14(2): 69. 1966 syn. sec. Dávila & al. 2006