You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Isle Royale National Park. "Cobble Marsh" near north tip of island. Remove constraint Place: Isle Royale National Park. "Cobble Marsh" near north tip of island. Place Keweenaw Remove constraint Place: Keweenaw Place North America Remove constraint Place: North America Place USA Remove constraint Place: USA Topic Cystopteridaceae Remove constraint Topic: Cystopteridaceae Topic Plantae Remove constraint Topic: Plantae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Type still image Remove constraint Type: still image