You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Keweenaw Remove constraint Place: Keweenaw Place Manganese River, gorge Remove constraint Place: Manganese River, gorge Topic Cystopteridaceae Remove constraint Topic: Cystopteridaceae Topic Polypodiopsida Remove constraint Topic: Polypodiopsida Type still image Remove constraint Type: still image