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 Island, along shore Remove constraint Place: Mackinac Island, along shore Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Topic Didymodon Remove constraint Topic: Didymodon Topic Plantae Remove constraint Topic: Plantae Topic Pottiaceae Remove constraint Topic: Pottiaceae