You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Barranca of Río Verde, ca. 20 miles north of Tepatitlán on road to Yahualica Remove constraint Place: Barranca of Río Verde, ca. 20 miles north of Tepatitlán on road to Yahualica Topic Selaginella Remove constraint Topic: Selaginella