You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Isle Royale, 0.25 mile southwest of Scoville Point on ledge above Rock Harbor Remove constraint Place: Isle Royale, 0.25 mile southwest of Scoville Point on ledge above Rock Harbor Place Keweenaw Remove constraint Place: Keweenaw Place Michigan Remove constraint Place: Michigan Place North America Remove constraint Place: North America Topic Lichens Remove constraint Topic: Lichens Topic Usnea Remove constraint Topic: Usnea