You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Canada Remove constraint Place: Canada Place Ontario Remove constraint Place: Ontario 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 Diphasiastrum Remove constraint Topic: Diphasiastrum Topic Lycopodiopsida Remove constraint Topic: Lycopodiopsida Type still image Remove constraint Type: still image