Here's a list:
mushrooms, hazelnuts, luaren nuts, pine nuts, cherries, buckeyes, clover, poppy, mustard, miner's lettuce, cow parsnip shoots, columbine, milkweed, larkspur, cattail roots, mariposa lily bulbs
strawberries, wild grapes, currants, gooseberries, huckleberries, manzanita berries,
birds, quail, geese, ducks, seabirds and eggs
rabbits - Rabbits were especially useful because they could use the skins for clothing. You needed 200 rabbit skins to make one blanket.
raccoons, fox, deer, elk, antelope
shellfish - mussels, clams, oysters, olivellas, crabs, barnacles, abalones smelt, salmon, whales
insects - lice, grasshoppers, yellowjacket grubs lizards, snakes, moles, mice, gophers, ground squirrels, wood rats
taboo foods: eagles, buzzards, ravens, owls and frogs