You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Las Animas Remove constraint Place: Las Animas Place North America Remove constraint Place: North America Place Region of the Mesa de Maya, along Carrizo Creek south of Troy. Remove constraint Place: Region of the Mesa de Maya, along Carrizo Creek south of Troy. Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poales Remove constraint Topic: Poales