This name is a synonym of Stipagrostis arachnoidea (Litv.) De Winter.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 395493) with original publication details: Novosti Sist. Vyssh. Rast. 8: 74 1971.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389980-1.
This name was in version 1 of The Plant List, record kew-395493, and has not been changed.