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 and as an invalid name (record 397755) with original publication details: Nomencl. Bot. ed. 2, 1: 172 1840.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391659-1.
This name was in version 1 of The Plant List, record kew-397755.