You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Isle Royale, Lake Superior shore. Remove constraint Place: Isle Royale, Lake Superior shore. Place Keweenaw Remove constraint Place: Keweenaw Place North America Remove constraint Place: North America Topic Poales Remove constraint Topic: Poales Topic Trichophorum Remove constraint Topic: Trichophorum