This name is a synonym of Festuca heterophylla Lam..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 416620) with original publication details: Fl. Franç. 4: 102 1837.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60436997-2.
This name was in version 1 of The Plant List, record kew-416620.