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 Contact UM Herbarium Remove constraint Place: Contact UM Herbarium Place North America Remove constraint Place: North America Place Ontario Remove constraint Place: Ontario Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Polygonaceae Remove constraint Topic: Polygonaceae