This name is a synonym of Stipagrostis uniplumis (Licht.) De Winter.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 394512) with original publication details: Beitr. Fl. Cap Verd. Ins. 140 1852.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389333-1.
This name was in version 1 of The Plant List, record kew-394512.