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