You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Chippewa Remove constraint Place: Chippewa Place Drummond Island T41N R7E Sec 16-17 Remove constraint Place: Drummond Island T41N R7E Sec 16-17 Topic Potamogeton Remove constraint Topic: Potamogeton Topic Potamogetonaceae Remove constraint Topic: Potamogetonaceae