You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Isle Royale. Siskiwit Lake, Ryan Island. Remove constraint Place: Isle Royale. Siskiwit Lake, Ryan Island. Place Keweenaw Remove constraint Place: Keweenaw Place North America Remove constraint Place: North America Topic Cladina Remove constraint Topic: Cladina Type still image Remove constraint Type: still image