You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Huron River, 3 1/2 miles SE Ann Arbor Remove constraint Place: Huron River, 3 1/2 miles SE Ann Arbor Place Michigan Remove constraint Place: Michigan Place Washtenaw Remove constraint Place: Washtenaw Topic Potamogeton Remove constraint Topic: Potamogeton Type still image Remove constraint Type: still image