Eragrostis unioloides (Retz.) Nees ex Steud. Eragrostis unioloides (Retz.) Nees ex Steud., Syn. Pl. Glumac. 1: 264. 1854 sec. Dávila & al. 2018≡Poa unioloides Retz., Observ. Bot. 5: 19. 1788 syn. sec. Dávila & al. 2006