You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Canada Remove constraint Place: Canada Place North America Remove constraint Place: North America Place Thunder Cape, 1 mile north of Silver Islet, 15 miles east of Port Arthur Remove constraint Place: Thunder Cape, 1 mile north of Silver Islet, 15 miles east of Port Arthur Topic Lycopodiales Remove constraint Topic: Lycopodiales Topic Plantae Remove constraint Topic: Plantae