You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Champaign Remove constraint Place: Champaign Place Dougan Canal 1 mil north of Urbana. Remove constraint Place: Dougan Canal 1 mil north of Urbana. Place USA Remove constraint Place: USA Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Plantae Remove constraint Topic: Plantae