This name is a synonym of Stipagrostis libyca (H.Scholz) H.Scholz.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 394818) with original publication details: Willdenowia 5: 121 1968.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389553-1.
This name was in version 1 of The Plant List, record kew-394818, and has not been changed.