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 USA Remove constraint Place: USA Place West Virginia Remove constraint Place: West Virginia Topic Marchantiophyta Remove constraint Topic: Marchantiophyta Topic Riccardia Remove constraint Topic: Riccardia