This name is a synonym of Arabis sagittata var. borealis (Andrz. ex Ledeb.) A.L.Ebel.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Altaic. 3: 25 1831.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:20001771-1.
This name was in version 1 of The Plant List, record kew-2645397, and has not been changed.