This name is a synonym of Chondrilla latifolia M.Bieb..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 23953448-B142-4535-A6C3-3CF7516B6D7A) with original publication details: 244 1934.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:192902-1.
This name was in version 1 of The Plant List, record gcc-32876.