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 Gratiot Remove constraint Place: Gratiot Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Place Riverdale. Near highway M 46, 0.7 m. east of Riverdale road. Remove constraint Place: Riverdale. Near highway M 46, 0.7 m. east of Riverdale road.