You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection 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. Place USA Remove constraint Place: USA Topic Alismatales Remove constraint Topic: Alismatales Topic Potamogetonaceae Remove constraint Topic: Potamogetonaceae