This name is a synonym of Alyssoides cretica (L.) Medik..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Methodus 264 1794.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:277291-1.
This name was in version 1 of The Plant List, record kew-2631859, and has not been changed.