This name is a synonym of Alyssum cuneifolium subsp. corymbosum (Pau) Rivas Mart., Molero Mesa & Pérez Raya.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Bol. Soc. Aragonesa Ci. Nat. 9: 112 1909.
This name was in version 1 of The Plant List, record kew-2632081, and has not been changed.