This name is a synonym of Diplotaxis griffithii (Hook.f. & Thomson) Boiss..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: J. Proc. Linn. Soc., Bot. 5: 171 1861.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:279352-1.
This name was in version 1 of The Plant List, record kew-2682260, and has not been changed.