You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Douglas Remove constraint Place: Douglas Place Oregon Remove constraint Place: Oregon Place Red Ponds ACEC/RNA (Area of Critical Environmental Concern/Research Natural Area) in the Umpqua River; Bureau of Land Management property. Remove constraint Place: Red Ponds ACEC/RNA (Area of Critical Environmental Concern/Research Natural Area) in the Umpqua River; Bureau of Land Management property.