This name is a synonym of Eragrostis filiformis var. conferta (Nees) Thell..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25554251) with original publication details: Fl. Afr. Austral. Ill. 398 1841.
This name was in version 1 of The Plant List, record tro-25554251.