You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Methow Valley District of the Okanogan National Forest, in or near the Pasayten Wilderness. From Wenatchee, about 110 miles north to Winthrop community. Chenuch River drainage. Eight Mile Camp. Southern tip of main pasture is helispot. Collections made wi Remove constraint Place: Methow Valley District of the Okanogan National Forest, in or near the Pasayten Wilderness. From Wenatchee, about 110 miles north to Winthrop community. Chenuch River drainage. Eight Mile Camp. Southern tip of main pasture is helispot. Collections made wi Topic Plantae Remove constraint Topic: Plantae