This name is a synonym of Centaurea carduiformis DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 510CA091-4776-4872-8101-010E7725F5E2) with original publication details: Linnaea 24 430 1851.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:189833-1.
This name was in version 1 of The Plant List, record gcc-558.