This name is a synonym of Centaurea boissieri subsp. mariolensis (Rouy) Dostál.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 134ED08A-C3F4-44F9-8472-4066A13DEBAA) with original publication details: Bull. Soc. Bot. France 29 110 1882.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190970-1.
This name was in version 1 of The Plant List, record gcc-34736.