You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Douglas Remove constraint Place: Douglas Place North America Remove constraint Place: North America Place St. Croix Lake at Solon Springs, Lucius Woods State Park Remove constraint Place: St. Croix Lake at Solon Springs, Lucius Woods State Park Topic Bryophyta Remove constraint Topic: Bryophyta Topic Polytrichopsida Remove constraint Topic: Polytrichopsida Topic Polytrichum Remove constraint Topic: Polytrichum