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 Keweenaw Remove constraint Place: Keweenaw Place North America Remove constraint Place: North America Place Passage Island, Isle Royale Remove constraint Place: Passage Island, Isle Royale Topic Athyriaceae Remove constraint Topic: Athyriaceae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida