You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Coahuila Remove constraint Place: Coahuila Place El Pitayo; escuela Superíor de Agricultura; Buenavista, Saltillo Remove constraint Place: El Pitayo; escuela Superíor de Agricultura; Buenavista, Saltillo Topic Plantae Remove constraint Topic: Plantae Topic Poales Remove constraint Topic: Poales