This name is a synonym of Centaurea scabiosa subsp. integra Greuter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 9B4D9BF2-4AFB-4D57-A232-6D0C368022E2) with original publication details: 485 1828.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190724-1.
This name was in version 1 of The Plant List, record gcc-80175, and has not been changed.