This name is a synonym of Eragrostis macilenta (A.Rich.) Steud..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 412462) with original publication details: Bot. Jahrb. Syst. 40: 83 1907.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:401004-1.
This name was in version 1 of The Plant List, record kew-412462, and has not been changed.