You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Field at Angler (near Marathon) Remove constraint Place: Field at Angler (near Marathon) Place North America Remove constraint Place: North America Place Thunder Bay Remove constraint Place: Thunder Bay Topic Ophioglossales Remove constraint Topic: Ophioglossales Topic Plantae Remove constraint Topic: Plantae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida