This name is a synonym of Brassica souliei subsp. amplexicaulis (Desf.) Greuter & Burdet.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Mat. Fl. Atl. 15 1860.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:279220-1.
This name was in version 1 of The Plant List, record kew-2681980, and has not been changed.