You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Distrito Federal Remove constraint Place: Distrito Federal Place La Magdalena Contreras; Jardines de la Escuela Nacional de Ciencias Biológicas Remove constraint Place: La Magdalena Contreras; Jardines de la Escuela Nacional de Ciencias Biológicas Place Mexico Remove constraint Place: Mexico Place North America Remove constraint Place: North America Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Plantae Remove constraint Topic: Plantae Topic Poaceae Remove constraint Topic: Poaceae