Columbia subject headings:
Non-timber forest products--Harvesting--Northwest, Pacific--Handbooks, manuals, etc.
Plants, Useful--Northwest, Pacific--Handbooks, manuals, etc.
Plants, Useful--Northwest, Pacific--Identification.
Wild plants, Edible--Northwest, Pacific--Handbooks, manuals, etc.
Wild plants, Edible--Northwest, Pacific--Identification.
Harvard subject headings:
Non-timber forest products--Harvesting--Northwest, Pacific--Handbooks, manuals, etc.
Plants, Useful--Northwest, Pacific--Handbooks, manuals, etc.
Plants, Useful--Northwest, Pacific--Identification.
Wild plants, Edible--Northwest, Pacific--Handbooks, manuals, etc.
Wild plants, Edible--Northwest, Pacific--Identification.
Princeton subject headings: