This name is a synonym of Centaurea argentea L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E9737590-DD7A-4DE7-872D-8E4A3B3E7534) with original publication details: 313 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:174568-1.
This name was in version 1 of The Plant List, record gcc-94992.