You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Canada Remove constraint Place: Canada Place Glen Township, Cavern Lake canyon, along stream entering lake. Remove constraint Place: Glen Township, Cavern Lake canyon, along stream entering lake. Place Thunder Bay Remove constraint Place: Thunder Bay Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poales Remove constraint Topic: Poales