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 9FB5F3C8-5D8B-4E23-83CD-8869A2EB6145) with original publication details: 282 1875.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:177304-1.
This name was in version 1 of The Plant List, record gcc-92358.