You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Agua Dulce; 65 mi NW of Sabinas, Serranias del Burro mountains Remove constraint Place: Agua Dulce; 65 mi NW of Sabinas, Serranias del Burro mountains Place Coahuila Remove constraint Place: Coahuila Topic Plantae Remove constraint Topic: Plantae