You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Congregación de Tuxpango, on the lower slopes of El Cerro de Tuxpango, Ixtaczotitlan, 10 km. southeast of Orizaba Remove constraint Place: Congregación de Tuxpango, on the lower slopes of El Cerro de Tuxpango, Ixtaczotitlan, 10 km. southeast of Orizaba