This name is a synonym of Stipagrostis shawii (H.Scholz) H.Scholz.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 395168) with original publication details: Willdenowia 5: 475 1969.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389779-1.
This name was in version 1 of The Plant List, record kew-395168, and has not been changed.