This name is a synonym of Trisetum rigidum (M.Bieb.) Roem. & Schult..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 398083) with original publication details: Syst. Veg. 1: 333 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391859-1.
This name was in version 1 of The Plant List, record kew-398083.