This name is a synonym of Brassica elongata subsp. pinnatifida (Schmalh.) Schmalh..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Sredn. Yuzhn. Rossii 1: 80 1895.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60432244-2.
This name was in version 1 of The Plant List, record kew-2682202, and has not been changed.