You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Ontonagon Remove constraint Place: Ontonagon Place Porcupine Mts. State Park. Vertical face of cliff below Lake of the Clouds overlook, near Mirror Lake rail. Just above talus slope. Remove constraint Place: Porcupine Mts. State Park. Vertical face of cliff below Lake of the Clouds overlook, near Mirror Lake rail. Just above talus slope. Topic Polypodiales Remove constraint Topic: Polypodiales Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Topic Woodsiaceae Remove constraint Topic: Woodsiaceae