This name is a synonym of Alyssum rostratum Steven.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Sredn. Rossii 1: 88 1895.
This name was in version 1 of The Plant List, record kew-2587486, and has not been changed.