This name is a synonym of Carduus schimperi Sch.Bip..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 8BDFF625-79C4-4C8B-94FD-330A4E21FA05) with original publication details: 434 1877.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:188530-1.
This name was in version 1 of The Plant List, record gcc-27612.