You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Michigan Remove constraint Place: Michigan Place Near Algonac, West of Roberts' Landing in an old field. Remove constraint Place: Near Algonac, West of Roberts' Landing in an old field. Place North America Remove constraint Place: North America Place St. Clair Remove constraint Place: St. Clair Topic Cyperaceae Remove constraint Topic: Cyperaceae Topic Trichophorum Remove constraint Topic: Trichophorum