Family = Brassicaceae, Genus = Alyssum, Species = alyssoides, including synonyms,
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|Alyssum alyssoides (pale alyssum, small alison, pale madwort)
(= Alyssum alyssoides in Flora of the Pacific Northwest)
Grayish, appressed-stellate biennial, the stem simple to freely-branched, 1-3 dm. tall.
Distribution: Chiefly east of the Cascades in Washington; widely distributed throughout North America except for parts of southeastern U.S.
Habitat: Dry, waste areas, becoming common in the shrub-steppe of eastern Washington.
Origin: Introduced from Eurasia
WA Native Plant Society