You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Iowa Remove constraint Place: Iowa 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 Place USA Remove constraint Place: USA Topic Graphis Remove constraint Topic: Graphis Topic Lichens Remove constraint Topic: Lichens Type still image Remove constraint Type: still image