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 Mexico Remove constraint Place: Mexico Place North America Remove constraint Place: North America Place Yucatan, Uxmal Remove constraint Place: Yucatan, Uxmal Place Yucatán Remove constraint Place: Yucatán Topic Physcia Remove constraint Topic: Physcia