This name is a synonym of Centaurea nigrescens Willd..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 68C87783-8841-4723-8176-5023920A8BE9) with original publication details: 319 1840.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190067-1.
This name was in version 1 of The Plant List, record gcc-43246.