3 species
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Jacobaea maritimasilver ragwort
Origin: Introduced
Jacobaea vulgaristansy ragwort
Distribution: Widely distributed on both sides of the Cascades in Washington; British Columbia south to California, east to Idaho and Montana; eastern North America.
Habitat: A weed of pastures, roadsides, forest edges, and other disturbed areas.
Origin: Introduced
Flowers: June-September