You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place In valley of Sac River on west side, Francis Lake & slough south of it, 6 mi southeast of Roscoe. Remove constraint Place: In valley of Sac River on west side, Francis Lake & slough south of it, 6 mi southeast of Roscoe. Topic Magnoliopsida Remove constraint Topic: Magnoliopsida