This name is a synonym of Trisetum agrostideum (Laest.) Fr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397293) with original publication details: Novit. Fl. Suec. Mant. 3: 3 1842.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391284-1.
This name was in version 1 of The Plant List, record kew-397293.