You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Clearwater Remove constraint Place: Clearwater Place Itasca State Park, east of biology station along service road and old gravel pit Remove constraint Place: Itasca State Park, east of biology station along service road and old gravel pit Place Minnesota Remove constraint Place: Minnesota Place North America Remove constraint Place: North America Topic Fungi Remove constraint Topic: Fungi Topic Lichens Remove constraint Topic: Lichens Type still image Remove constraint Type: still image