You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Behind Manville, University of Michigan Biological Station, Douglass Lake Remove constraint Place: Behind Manville, University of Michigan Biological Station, Douglass Lake Place Cheboygan Remove constraint Place: Cheboygan Place Michigan Remove constraint Place: Michigan Place USA Remove constraint Place: USA Topic Cladonia Remove constraint Topic: Cladonia Type still image Remove constraint Type: still image