You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place El Malvaste; km 647, 5 road-mi SW of Santa Cruz de las Flores Remove constraint Place: El Malvaste; km 647, 5 road-mi SW of Santa Cruz de las Flores Place Mexico Remove constraint Place: Mexico Place North America Remove constraint Place: North America Topic Echinochloa Remove constraint Topic: Echinochloa Topic Poales Remove constraint Topic: Poales