This name is a synonym of Biscutella laevigata subsp. austriaca (Jord.) Mach.-Laur..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Diagn. Esp. Nouv. 297 1864.
This name was in version 1 of The Plant List, record kew-2676558, and has not been changed.