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 407683) with original publication details: Syst. Veg. 2: 686 1817.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:397967-1.
This name was in version 1 of The Plant List, record kew-407683.