Eragrostis polytricha Nees, Fl. Bras. Enum. Pl. 2: 507-508. 1829 sec. Dávila & al. 2018
- =Poa polytricha (Nees) Kunth, Enum. Pl. 1: 331. 1833 syn. sec. Dávila & al. 2006
- =Eragrostis lugens var. villosa Döll, Fl. Bras. 2(3): 140. 1878 syn. sec. Dávila & al. 2006
- =Eragrostis polytricha var. glabrior Döll, Fl. Bras. 2(3): 140. 1878 syn. sec. Dávila & al. 2006
- =Eragrostis polytricha var. hirsutior Döll, Fl. Bras. 2(3): 140. 1878 syn. sec. Dávila & al. 2006
- =Eragrostis trichocolea Arechav. in Anales Mus. Nac. Montevideo 1: 444. 1896 syn. sec. Dávila & al. 2006
- =Eragrostis floridana Hitchc. in Amer. J. Bot. 2: 308. 1915 syn. sec. Dávila & al. 2006
- =Eragrostis fragilis Swallen in Fieldiana, Bot. 28(1): 18. 1951 syn. sec. Dávila & al. 2006
- =Eragrostis trichocolea var. floridana (Hitchc.) Withersp. in Ann. Missouri Bot. Gard. 64: 328. 1978 ["1977"] syn. sec. Dávila & al. 2006