Silverweed
Cinquefoil
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rhizomes are edible raw, though possibly bitter.
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rhizomes is best when roasted, boiled, or fried for several minutes.
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roots can be dried for storage.
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roots are best when collected in autumn or spring.
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varieties in the Pacific Northwest include Common silverweed (Argentina anserina) and Pacific silverweed (Argentina pacifica).
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grows in moist, open areas in plains, foothills, and montane regions.