This name is a synonym of Festuca richardsonii Hook..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 416568) with original publication details: Acta Univ. Lund. n.f., 38: 246 1942.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:104034-2.
This name was in version 1 of The Plant List, record kew-416568, and has not been changed.