You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Porcupine Mts.; near the Lake of the Clouds Lookout Pt.; alt. Ca. 1200 ft.; sect. 21, T51N, R44W. Remove constraint Place: Porcupine Mts.; near the Lake of the Clouds Lookout Pt.; alt. Ca. 1200 ft.; sect. 21, T51N, R44W. Topic Polypodiales Remove constraint Topic: Polypodiales Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Topic Woodsiaceae Remove constraint Topic: Woodsiaceae