This name is a synonym of Centaurea alba subsp. maluqueri (Font Quer) Molero & Vigo.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 2EBD4D5E-2169-4FD0-9FFB-A6CAE9A20DD3) with original publication details: 319 1873.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190220-1.
This name was in version 1 of The Plant List, record gcc-105987.