This name is a synonym of Tragopogon dubius subsp. major (Jacq.) Vollm..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E39ED5AA-BD4C-447F-AD43-6F3D5378A439) with original publication details: 19 1773.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:256063-1.
This name was in version 1 of The Plant List, record gcc-81191.