You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Canada Remove constraint Place: Canada Place Dunwich Township, along rail tracks ca 5 km SW of Dutton (Dutton Swamp). Remove constraint Place: Dunwich Township, along rail tracks ca 5 km SW of Dutton (Dutton Swamp). Place North America Remove constraint Place: North America Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Rhynchospora Remove constraint Topic: Rhynchospora Type still image Remove constraint Type: still image