This name is a synonym of Eragrostis japonica (Thunb.) Trin..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25511024) with original publication details: Linnaea 12(4): 452 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:401342-1.
This name was in version 1 of The Plant List, record tro-25511024.