This name is a synonym of Agrostis divaricatissima Mez.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 389802) with original publication details: Repert. Spec. Nov. Regni Veg. 36: 39 1934.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:385896-1.
This name was in version 1 of The Plant List, record kew-389802, and has not been changed.