You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place At Riggsville Corners, near Biological Station Remove constraint Place: At Riggsville Corners, near Biological Station Place Cheboygan Remove constraint Place: Cheboygan Place Michigan Remove constraint Place: Michigan Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Papaveraceae Remove constraint Topic: Papaveraceae Topic Ranunculales Remove constraint Topic: Ranunculales