This name is a synonym of Stipa capensis Thunb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 445815) with original publication details: Hort. Panhorm. 61 1789.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:423804-1.
This name was in version 1 of The Plant List, record kew-445815, and has not been changed.