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 Paso Acahual; Acahual; Estación Biologica San Andrés Tuxtla Remove constraint Place: Paso Acahual; Acahual; Estación Biologica San Andrés Tuxtla