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 Keweenaw Remove constraint Place: Keweenaw Place Siskiwit River area, Isle Royale Remove constraint Place: Siskiwit River area, Isle Royale Place USA Remove constraint Place: USA Topic Equisetum Remove constraint Topic: Equisetum