This name is a synonym of Glyceria spiculosa (J.A.Schmidt) Roshev. ex B.Fedtsch..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 441712) with original publication details: Reis. Amur-Land., Bot. 201 1868.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:421151-1.
This name was in version 1 of The Plant List, record kew-441712, and has not been changed.