You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Conc. XIV, Lot 20, North Orillia Twp., Severn Bridge, 3 1/2 mi. NW of Remove constraint Place: Conc. XIV, Lot 20, North Orillia Twp., Severn Bridge, 3 1/2 mi. NW of Place North America Remove constraint Place: North America Place Ontario Remove constraint Place: Ontario Place Simcoe Remove constraint Place: Simcoe Topic Myriophyllum Remove constraint Topic: Myriophyllum Topic Saxifragales Remove constraint Topic: Saxifragales