Andropogon angustatus (J. Presl) Steud., Syn. Pl. Glumac. 1: 370. 1854 sec. Dávila & al. 2018
- ≡Diectomis angustata J. Presl, Reliq. Haenk. 1(4-5): 333. 1830 syn. sec. Dávila & al. 2006
- =Diectomis laxa Nees, Fl. Bras. Enum. Pl. 2(1): 340-341. 1829 syn. sec. Dávila & al. 2006
- =Andropogon apricus Trin. in Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 4,2(1): 83. 1836 syn. sec. Dávila & al. 2006
- =Andropogon aturensis Maury in J. Bot. (Morot) 3: 158, f. 4. 1889 syn. sec. Dávila & al. 2006
- =Sorghum laxum (Nees) Kuntze, Revis. Gen. Pl. 2: 790. 1891 syn. sec. Dávila & al. 2006
- =Andropogon mocquerysii Benoist in Bull. Soc. Bot. France 87: 340. 1940 syn. sec. Dávila & al. 2006
- =Cymbachne angustata (J. Presl) Roberty in Boissiera 9: 254. 1960 syn. sec. Dávila & al. 2006