You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Isle Royale National Park on SE shore at NE end of Benson Lake. T66N R34W NE1/4 sec. 28. Remove constraint Place: Isle Royale National Park on SE shore at NE end of Benson Lake. T66N R34W NE1/4 sec. 28. Place Keweenaw Remove constraint Place: Keweenaw Place North America Remove constraint Place: North America Topic Plantae Remove constraint Topic: Plantae Topic Potamogeton Remove constraint Topic: Potamogeton