You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Isle Royale, between Daisy Farm & Greenstone Ridge Remove constraint Place: Isle Royale, between Daisy Farm & Greenstone Ridge Place Keweenaw Remove constraint Place: Keweenaw Topic Dryopteris Remove constraint Topic: Dryopteris Topic Plantae Remove constraint Topic: Plantae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida