This name is a synonym of Alyssum murale Waldst. & Kit..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100360093) with original publication details: Fl. Ross. 1: 141, 753. 1841.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:287830-1.
This name was in version 1 of The Plant List, record tro-100360093.