Plateau tribes such as the Cayuse, Coeur d’Alene, Colvilles, Kalispels, Klikitat, Kootenai, Lillooets, Modocs, Nez Perce, Okanagons, Salish, Sanpoils, Sinkiuse, Spokan, Thompson, Umatilla, Yakima ate salmon, trout, whitefish, mollusks, camas bulbs, wild waterlily seeds (used for flour), berries, deer, elk, antelope, moose, bears, rabbits. Colville and Sinkiuse males fished for four types of salmon from May to October, while the women cleaned them. They normally acquired enough fish to dry and store for the winter.
Taken from Devon A. Mihesuah, Recovering Our Ancestors’ Gardens: Indigenous Recipes and Guide to Diet and Fitness (University of Nebraska Press, 2005)