This name is a synonym of Centaurea ragusina subsp. lungensis (Ginzb.) Hayek.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record FE0F6489-8897-4A6F-A790-C56277491812) with original publication details: 205 1813.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:189928-1.
This name was in version 1 of The Plant List, record gcc-119540.