Botany
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 four through nine. There is a cultivar, 'Golden Spring'.
Ferula.
Fraxinus.
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