This name is a synonym of Brassica elongata subsp. integrifolia (Boiss.) Breistr..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bull. Soc. Imp. Naturalistes Moscou 27(2): 311 1854.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:279231-1.
This name was in version 1 of The Plant List, record kew-2681997, and has not been changed.