You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Alger Remove constraint Place: Alger Place Grand Sable Dunes, 1.4-2.0 mi from beginning of Lakeshore Trail at Grand Sable Lake. Remove constraint Place: Grand Sable Dunes, 1.4-2.0 mi from beginning of Lakeshore Trail at Grand Sable Lake. Place Michigan Remove constraint Place: Michigan Topic Polypodiopsida Remove constraint Topic: Polypodiopsida