You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Canada Remove constraint Place: Canada Place McCrone's Lake, 2.4 km NE of Ayr PO, North Dumfries Township. Remove constraint Place: McCrone's Lake, 2.4 km NE of Ayr PO, North Dumfries Township. Place Ontario Remove constraint Place: Ontario Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poales Remove constraint Topic: Poales Topic Rhynchospora Remove constraint Topic: Rhynchospora