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 413273) with original publication details: Syst. Veg. 2: 576 1817.
This name was in version 1 of The Plant List, record kew-413273.