You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Duck Lake, 2¼ miles N.W. Homestead. Sugar Island. Remove constraint Place: Duck Lake, 2¼ miles N.W. Homestead. Sugar Island. Place Michigan Remove constraint Place: Michigan Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Dulichium Remove constraint Topic: Dulichium