2 genera
18 species
1 subspecies and varieties
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Scientific name
Common name
Distribution: Occurring chiefly west of the Cascades crest in Washington;
Origin: Native
Distribution: Occurring on both sides of the Cascades crest in Washington;
Origin: Native
Distribution: Occurring chiefly in the northeastern region of Washington;
Origin: Native
Distribution: Occurring on both sides of the Cascades crest in Washington;
Origin: Native