This name is a synonym of Deschampsia cespitosa (L.) P.Beauv..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 390914) with original publication details: Nat. Arr. Brit. Pl. 2: 137 1821.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:386698-1.
This name was in version 1 of The Plant List, record kew-390914.