You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Michigan Remove constraint Place: Michigan 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 Woodsia Remove constraint Topic: Woodsia Type still image Remove constraint Type: still image