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 Isle Royale. Washington Island, Washington Harbor Remove constraint Place: Isle Royale. Washington Island, Washington Harbor Place Keweenaw Remove constraint Place: Keweenaw Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Topic Equisetales Remove constraint Topic: Equisetales Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Type still image Remove constraint Type: still image