This name is a synonym of Rhaponticum insigne (Boiss.) Wagenitz.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record A464E3A7-5DB5-4F04-B6DE-C7FD58622D40) with original publication details: 312 1888.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:237488-1.
This name was in version 1 of The Plant List, record gcc-120623, and has not been changed.