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 100361828) with original publication details: Ber. Schweiz. Bot. Ges. 79: 323. 1969.
This name was in version 1 of The Plant List, record tro-100361828.