Alyssum wulfenianum

Alyssum wulfenianum, the madwort (a name it shares with some of the other members of its genus), is a species of flowering plant in the family Brassicaceae, native to the southeastern Alps. Preferring dry, porous soils, it is hardy in USDA zones 4 through 9. There is a cultivar, 'Golden Spring'.

Subtaxa
The following subspecies are accepted:
 * Alyssum wulfenianum subsp. ovirense (A.Kern.) Magauer, Schönsw. & Frajman – southeastern Alps
 * Alyssum wulfenianum subsp. wulfenianum – southeastern Alps