You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Steep mountains 11-12 miles south of Talpa de Allende, in the headwaters of a west branch of Río de Talpa. Remove constraint Place: Steep mountains 11-12 miles south of Talpa de Allende, in the headwaters of a west branch of Río de Talpa. Topic Didymoglossum Remove constraint Topic: Didymoglossum