You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Isle Royale National Park One colony in Benson Creek where it crosses Daisy Farm Trail. T66N R34W SW1/4 sec. 22. Remove constraint Place: Isle Royale National Park One colony in Benson Creek where it crosses Daisy Farm Trail. T66N R34W SW1/4 sec. 22. Place Keweenaw Remove constraint Place: Keweenaw Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Plantae Remove constraint Topic: Plantae Topic Potamogeton Remove constraint Topic: Potamogeton Topic Potamogetonaceae Remove constraint Topic: Potamogetonaceae