You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Craggy Visitor Center, Blue Ridge Parkway mile 364.6 Remove constraint Place: Craggy Visitor Center, Blue Ridge Parkway mile 364.6 Topic Cetrelia Remove constraint Topic: Cetrelia Topic Lichens Remove constraint Topic: Lichens Type still image Remove constraint Type: still image