You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Mackinac Remove constraint Place: Mackinac Place North America Remove constraint Place: North America Place Sec 23 T42N-R11W. Duel Lake in Simmons Woods. Remove constraint Place: Sec 23 T42N-R11W. Duel Lake in Simmons Woods. Topic Plantae Remove constraint Topic: Plantae Topic Poaceae Remove constraint Topic: Poaceae Topic Poales Remove constraint Topic: Poales