You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Language UND Remove constraint Language: UND 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 Plantae Remove constraint Topic: Plantae Topic Salicaceae Remove constraint Topic: Salicaceae