You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place North America Remove constraint Place: North America Place Ontonagon Remove constraint Place: Ontonagon Place Porcupine Mts. St. Park, W. of the Lake of Clouds, T51N, R43W, Sec. 21. Remove constraint Place: Porcupine Mts. St. Park, W. of the Lake of Clouds, T51N, R43W, Sec. 21. Topic Dryopteridaceae Remove constraint Topic: Dryopteridaceae