You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries 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 Cyperaceae Remove constraint Topic: Cyperaceae Type still image Remove constraint Type: still image