This name is a synonym of Eragrostis japonica (Thunb.) Trin..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 412471) with original publication details: Naturw. Reise Mossambique 559 1864.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:401014-1.
This name was in version 1 of The Plant List, record kew-412471.