You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Troutdale Formation Cliffs, east banks of the Sandy River, Woodard Road at the Crown Point Highway Remove constraint Place: Troutdale Formation Cliffs, east banks of the Sandy River, Woodard Road at the Crown Point Highway Topic Marchantiales Remove constraint Topic: Marchantiales Topic Targionia Remove constraint Topic: Targionia Topic Targioniaceae Remove constraint Topic: Targioniaceae