You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Isle Royale, Occasional in clearing at head of McCargo Cove. Remove constraint Place: Isle Royale, Occasional in clearing at head of McCargo Cove. Place Keweenaw Remove constraint Place: Keweenaw Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Polygonaceae Remove constraint Topic: Polygonaceae