This name is a synonym of Eragrostis leptostachya (R.Br.) Steud..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 412651) with original publication details: Fl. Hawaiiensis 47: s.p. 1940.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:401163-1.
This name was in version 1 of The Plant List, record kew-412651, and has not been changed.