This name is a synonym of Deschampsia flexuosa (L.) Trin..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 398171) with original publication details: Fl. Excurs. Hafn. 32 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391947-1.
This name was in version 1 of The Plant List, record kew-398171.