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 C761B385-3144-48BF-B104-279B0D8B8F24) with original publication details: 421 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190805-1.
This name was in version 1 of The Plant List, record gcc-21431.