You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Language UND Remove constraint Language: UND Place Chippewa Remove constraint Place: Chippewa Place St. Mary's River by Drummond Island ferry dock in village of DeTour. Remove constraint Place: St. Mary's River by Drummond Island ferry dock in village of DeTour. Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Plantae Remove constraint Topic: Plantae Topic Potamogetonaceae Remove constraint Topic: Potamogetonaceae