You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Mexico Remove constraint Place: Mexico Place Oaxaca Remove constraint Place: Oaxaca Place Vicinity of Cerro Zempoaltepetl. Along trail from Tlahuitoltepec to Santo Domingo Albarradas, 18-25 kilometers west-southwest of summit. Remove constraint Place: Vicinity of Cerro Zempoaltepetl. Along trail from Tlahuitoltepec to Santo Domingo Albarradas, 18-25 kilometers west-southwest of summit. Topic Selaginellaceae Remove constraint Topic: Selaginellaceae