This name is a synonym of Calamagrostis epigejos (L.) Roth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 402996) with original publication details: Bot. Mater. Gerb. Glavn. Bot. Sada R.S.F.S.R. 2: 125 1921.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:394624-1.
This name was in version 1 of The Plant List, record kew-402996.