You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place E of Pellston. Douglas Lake at Sedge Point. Remove constraint Place: E of Pellston. Douglas Lake at Sedge Point. Topic Alismatales Remove constraint Topic: Alismatales Topic Plantae Remove constraint Topic: Plantae Topic Potamogetonaceae Remove constraint Topic: Potamogetonaceae Type still image Remove constraint Type: still image