This name is a synonym of Tragopogon pratensis subsp. leiocarpus (Trnka) Greuter.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 96F84680-03DD-486D-BD5F-D67F176D4363) with original publication details: 652 1980.
This name was in version 1 of The Plant List, record gcc-67354, and has not been changed.