You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Dawson Township, Mississagi Lighthouse, extreme western end of Manitoulin Island. Remove constraint Place: Dawson Township, Mississagi Lighthouse, extreme western end of Manitoulin Island. Place Manitoulin Remove constraint Place: Manitoulin Place Ontario Remove constraint Place: Ontario Topic Cyperaceae Remove constraint Topic: Cyperaceae