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 Sugar Island Remove constraint Place: Sugar Island Topic Bryophyta Remove constraint Topic: Bryophyta Topic Plantae Remove constraint Topic: Plantae Topic Polytrichaceae Remove constraint Topic: Polytrichaceae Topic Polytrichum Remove constraint Topic: Polytrichum