⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2632188, with some changes.

Alyssum hirsutum var. caespitosum T.R.Dudley is a synonym of Alyssum hirsutum M.Bieb.

This name is a synonym of Alyssum hirsutum M.Bieb..

The record derives from WCSP (in review) which reports it as a synonym.