You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Driftwood Beach, on Michipicoten B., L. Superior, just S. of mouth of Michipicoten R. Remove constraint Place: Driftwood Beach, on Michipicoten B., L. Superior, just S. of mouth of Michipicoten R. Topic Tetraphis Remove constraint Topic: Tetraphis