You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Chippewa Remove constraint Place: Chippewa Place North America Remove constraint Place: North America Place Northwest side of Drummond Island, south of Potagannissing River. Remove constraint Place: Northwest side of Drummond Island, south of Potagannissing River. Topic Dryopteris Remove constraint Topic: Dryopteris Topic Polypodiales Remove constraint Topic: Polypodiales Topic Polypodiopsida Remove constraint Topic: Polypodiopsida