You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Chocolate R., Lake Superior. Remove constraint Place: Chocolate R., Lake Superior. Place North America Remove constraint Place: North America Topic Caryophyllales Remove constraint Topic: Caryophyllales Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Persicaria Remove constraint Topic: Persicaria Topic Polygonaceae Remove constraint Topic: Polygonaceae