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 Mackinac Remove constraint Place: Mackinac Place North side of Bois Blanc Island. Remove constraint Place: North side of Bois Blanc Island. Topic Crataegus Remove constraint Topic: Crataegus Topic Plantae Remove constraint Topic: Plantae Topic Rosaceae Remove constraint Topic: Rosaceae