This name is a synonym of Rostraria obtusiflora (Boiss.) Holub.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 439521) with original publication details: Novosti Sist. Vyssh. Rast. 7: 48 1970 publ. 1971.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:882917-1.
This name was in version 1 of The Plant List, record kew-439521, and has not been changed.