This name is a synonym of Gontscharovia popovii (B.Fedtsch. & Gontsch.) Boriss..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 127104) with original publication details: Notes Roy. Bot. Gard. Edinburgh 31: 353 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:451702-1.
This name was in version 1 of The Plant List, record kew-127104, and has not been changed.