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 Ontario Remove constraint Place: Ontario Place Providence Bay, Manitoulin Island Remove constraint Place: Providence Bay, Manitoulin Island Topic Equisetales Remove constraint Topic: Equisetales Topic Equisetum Remove constraint Topic: Equisetum Topic Plantae Remove constraint Topic: Plantae