This name is a synonym of Rhaponticum heleniifolium Gren. & Godr..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 68D821F5-95AB-48F5-B5D3-F7F05C21F921) with original publication details: 596 1897.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190637-1.
This name was in version 1 of The Plant List, record gcc-141683.