You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Cabeza de Toro; 16 km NE of Las Cruces on the hwy to Tuxtla Gutiérrez Remove constraint Place: Cabeza de Toro; 16 km NE of Las Cruces on the hwy to Tuxtla Gutiérrez Place Mexico Remove constraint Place: Mexico Topic Cenchrus Remove constraint Topic: Cenchrus Topic Poaceae Remove constraint Topic: Poaceae Type still image Remove constraint Type: still image