This name is a synonym of Eragrostis nutans (Retz.) Nees ex Steud..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25549841) with original publication details: Cat. Indian Pl. 105 1834.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:401364-1.
This name was in version 1 of The Plant List, record tro-25549841.