You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Chiapas Remove constraint Place: Chiapas Place El Castaño; río Testecapa 10 km southeast of Mapastepec. Municipio of Mapastepec Remove constraint Place: El Castaño; río Testecapa 10 km southeast of Mapastepec. Municipio of Mapastepec Place Mexico Remove constraint Place: Mexico Topic Poaceae Remove constraint Topic: Poaceae Type still image Remove constraint Type: still image