Panicum rudgei Roem. & Schult., Syst. Veg. 2: 444. 1817 sec. Dávila & al. 2018
- =Panicum pilosissimum Roth ex Roem. & Schult., Syst. Veg. 2: 458. 1817 syn. sec. Dávila & al. 2006
- =Panicum rudgei var. brasiliense Raddi, Agrostogr. Bras.: 48-49. 1823 syn. sec. Dávila & al. 2006
- =Panicum dasytrichum Spreng., Syst. Veg. 1: 317. 1825 syn. sec. Dávila & al. 2006
- =Panicum rhigiophyllum Steud., Syn. Pl. Glumac. 1: 76. 1853 syn. sec. Dávila & al. 2006
- =Panicum rigens Salzm. ex Steud., Syn. Pl. Glumac. 1: 76. 1853 syn. sec. Dávila & al. 2006
- =Panicum cayennense var. divaricatum Döll, Fl. Bras. 2(2): 220. 1877 syn. sec. Dávila & al. 2006