This name is a synonym of Trisetum argenteum (Willd.) 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 397850) with original publication details: Fl. Ital. 1: 264 1850.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391723-1.
This name was in version 1 of The Plant List, record kew-397850.