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 9A9F4D76-8273-414D-8C29-358DF9F7EC7E) with original publication details: 270 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:198386-1.
This name was in version 1 of The Plant List, record gcc-28971.