This name is a synonym of Brassica cretica subsp. aegaea (Heldr. & Halácsy) Snogerup, M.A.Gust. & Bothmer.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Oesterr. Bot. Z. 45: 216 1895.
This name was in version 1 of The Plant List, record kew-2682159, and has not been changed.