You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Alger Remove constraint Place: Alger Place North America Remove constraint Place: North America Place Pictured Rocks National Lakeshore. Mosquito River drainage. Remove constraint Place: Pictured Rocks National Lakeshore. Mosquito River drainage. Topic Dryopteris Remove constraint Topic: Dryopteris Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Type still image Remove constraint Type: still image