You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Cascade Range; Willamtte National Forest; about one mile east of Idanha along State Hwy. 22, at junction with Cooper Ridge Road Remove constraint Place: Cascade Range; Willamtte National Forest; about one mile east of Idanha along State Hwy. 22, at junction with Cooper Ridge Road