This name is a synonym of Scorzonera mollis subsp. idaea (Gand.) Lack.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 6C837E4C-8A39-41C3-AF91-4C840FB18106) with original publication details: 11 1939.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:243221-1.
This name was in version 1 of The Plant List, record gcc-41301, and has not been changed.