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 Río Nautla at Pital Remove constraint Place: Río Nautla at Pital Place Veracruz Remove constraint Place: Veracruz Topic Cyperus Remove constraint Topic: Cyperus Topic Poales Remove constraint Topic: Poales