You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Clayton Remove constraint Place: Clayton Place Sny Magill Access along Mississippi River south of McGregor, along east facing ridge and rocky cliffs near railroad Remove constraint Place: Sny Magill Access along Mississippi River south of McGregor, along east facing ridge and rocky cliffs near railroad Topic Fungi Remove constraint Topic: Fungi Topic Lichens Remove constraint Topic: Lichens