This name is a synonym of Alyssum trichostachyum Rupr..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Fl. Republ. Macedonia 1(3): 666 1995 publ. 1996.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1001062-1.
This name was in version 1 of The Plant List, record kew-2632584, and has not been changed.