You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Inland from Hat Island, on Main Island; Isle Royale Remove constraint Place: Inland from Hat Island, on Main Island; Isle Royale Place Keweenaw Remove constraint Place: Keweenaw Topic Cystopteris Remove constraint Topic: Cystopteris Topic Polypodiopsida Remove constraint Topic: Polypodiopsida