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 North America Remove constraint Place: North America Place Spruce River cut-off, 18 km NW. of Dorion. Remove constraint Place: Spruce River cut-off, 18 km NW. of Dorion. Place Thunder Bay Remove constraint Place: Thunder Bay Topic Malpighiales Remove constraint Topic: Malpighiales Topic Plantae Remove constraint Topic: Plantae Topic Salix Remove constraint Topic: Salix