This name is a synonym of Centaurea scabiosa subsp. spinulosa (Spreng.) Arcang..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 3AD9A921-E7AF-4DBB-AB9A-FDC0F22F5FED) with original publication details: 196 1976.
This name was in version 1 of The Plant List, record gcc-72407, and has not been changed.