This name is a synonym of Centaurea ruthenica Lam..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record A0411789-9A89-4E2C-9095-77F5093D0E66) with original publication details: 4 1855.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:191539-1.
This name was in version 1 of The Plant List, record gcc-85118.