You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place East of Forest Hwy 16, Ottawa National Forest Remove constraint Place: East of Forest Hwy 16, Ottawa National Forest Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Topic Ophioglossaceae Remove constraint Topic: Ophioglossaceae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Type still image Remove constraint Type: still image