You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Canada Remove constraint Place: Canada Place North end of Bear Trap Lake, ca 1.5 miles north of Rossport. Remove constraint Place: North end of Bear Trap Lake, ca 1.5 miles north of Rossport. Place Thunder Bay Remove constraint Place: Thunder Bay Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Poales Remove constraint Topic: Poales Topic Rhynchospora Remove constraint Topic: Rhynchospora