You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Drummond Island. At small rock promontory on False Detour Channel. Remove constraint Place: Drummond Island. At small rock promontory on False Detour Channel. Place Michigan Remove constraint Place: Michigan Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Eleocharis Remove constraint Topic: Eleocharis Topic Poales Remove constraint Topic: Poales Type still image Remove constraint Type: still image