You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Isle Royale, NW shore of Summer Lake bog. Remove constraint Place: Isle Royale, NW shore of Summer Lake bog. Place Keweenaw Remove constraint Place: Keweenaw Place Michigan Remove constraint Place: Michigan Topic Caryophyllales Remove constraint Topic: Caryophyllales Topic Persicaria Remove constraint Topic: Persicaria