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 Emiliano Zapata; District of Tuxtepec; Chiltepec and vicinity. Montaña de Chiltepec Remove constraint Place: Emiliano Zapata; District of Tuxtepec; Chiltepec and vicinity. Montaña de Chiltepec