You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place California Remove constraint Place: California Place In the wooded canyon of the Sacramento River, Dunsmuir; by road Remove constraint Place: In the wooded canyon of the Sacramento River, Dunsmuir; by road Place USA Remove constraint Place: USA Topic Bryophyta Remove constraint Topic: Bryophyta Topic Polytrichum Remove constraint Topic: Polytrichum Type still image Remove constraint Type: still image