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 Spruce River cut-off, 18 km NW. of Dorion. Remove constraint Place: Spruce River cut-off, 18 km NW. of Dorion. Topic Malpighiales Remove constraint Topic: Malpighiales