This name is a synonym of Cota tinctoria subsp. euxina (Boiss.) Oberpr. & Greuter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record B0FA0178-9BC8-46BD-B423-EBBE42B00558) with original publication details: 428 1975.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:876493-1.
This name was in version 1 of The Plant List, record gcc-70136.