You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Hawksbill Mountain, Shenandoah National Park Remove constraint Place: Hawksbill Mountain, Shenandoah National Park Place USA Remove constraint Place: USA Place Virginia Remove constraint Place: Virginia Topic Polytrichales Remove constraint Topic: Polytrichales Topic Polytrichopsida Remove constraint Topic: Polytrichopsida