This name is a synonym of Calamagrostis arundinacea (L.) Roth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 396901) with original publication details: Fl. Hautes -Pyrénées 75 1867.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391070-1.
This name was in version 1 of The Plant List, record kew-396901.