Eragrostis lugens Nees, Fl. Bras. Enum. Pl. 2: 505-506. 1829 sec. Dávila & al. 2018
- =Eragrostis lugens Nees subsp. lugens, Fl. Bras. Enum. Pl. 2: 505-506. 1829 syn. sec. Dávila & al. 2006
- =Poa lugens (Nees) Kunth, Enum. Pl. 1: 331. 1833 syn. sec. Dávila & al. 2006
- =Eragrostis lugens var. glabrata Döll, Fl. Bras. 2(3): 141. 1878 syn. sec. Dávila & al. 2006
- =Eragrostis lugens var. glabrescens Döll, Fl. Bras. 2(3): 140. 1878 syn. sec. Dávila & al. 2006
- =Eragrostis pilosa var. lugens (Nees) Griseb. in Abh. Königl. Ges. Wiss. Göttingen 24: 290. 1879 syn. sec. Dávila & al. 2006
- =Eragrostis flaccida Lindm. in Kongl. Svenska Vetenskapsakad. Handl. 34(6): 17, t. 9A. 1900 syn. sec. Dávila & al. 2006
- =Eragrostis lugens f. pallida Hack. in Anales Mus. Nac. Buenos Aires 21: 134. 1911 syn. sec. Dávila & al. 2006
- =Eragrostis lugens subsp. flaccida (Lindm.) Hack. in Anales Mus. Nac. Buenos Aires 21: 134. 1911 syn. sec. Dávila & al. 2006
- =Eragrostis soratensis Jedwabn. in Bot. Arch. 5(3–4): 213. 1924 syn. sec. Dávila & al. 2006