This name is a synonym of Deschampsia setacea (Huds.) Hack..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 391124) with original publication details: Prodr. Fl. Monast. Westphal. 25 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:386895-1.
This name was in version 1 of The Plant List, record kew-391124.