You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place North America Remove constraint Place: North America Place Ontonagon Remove constraint Place: Ontonagon Place Ottawa National Forest, in gravelly, shallow soil on rock outcrop Remove constraint Place: Ottawa National Forest, in gravelly, shallow soil on rock outcrop Topic Dryopteridaceae Remove constraint Topic: Dryopteridaceae