You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Isle Royale National Park, Greenstone Ridge above Chickenbone Lake. Remove constraint Place: Isle Royale National Park, Greenstone Ridge above Chickenbone Lake. Place Keweenaw Remove constraint Place: Keweenaw Place North America Remove constraint Place: North America Topic Poa Remove constraint Topic: Poa Topic Poaceae Remove constraint Topic: Poaceae