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 Boone Spring - road 144 Remove constraint Place: Boone Spring - road 144 Place Clinton Remove constraint Place: Clinton Place North America Remove constraint Place: North America Place Pennsylvania Remove constraint Place: Pennsylvania Topic Isopterygium Remove constraint Topic: Isopterygium