You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Bois Blanc Island. At NW end of Lake Thompson. Remove constraint Place: Bois Blanc Island. At NW end of Lake Thompson. Place Mackinac Remove constraint Place: Mackinac Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Poales Remove constraint Topic: Poales Type still image Remove constraint Type: still image