You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Fort Wilkins, Lake Superior Remove constraint Place: Fort Wilkins, Lake Superior Place Keweenaw Remove constraint Place: Keweenaw Place North America Remove constraint Place: North America Topic Equisetaceae Remove constraint Topic: Equisetaceae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida