This name is a synonym of Stipagrostis foexiana (Maire & Wilczek) De Winter.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 394527) with original publication details: Webbia 8: 88 1951.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389340-1.
This name was in version 1 of The Plant List, record kew-394527, and has not been changed.