This name is a synonym of Trisetum alpestre (Host) P.Beauv..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25510553) with original publication details: Icon. Descr. Gram. Austriac. 3: 27, t. 39 1805.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391296-1.
This name was in version 1 of The Plant List, record tro-25510553.