You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place La Paz; km 33, SW of Ojuelos on road to Aguascalientes, 2 mi NE of Paso de la Troje Remove constraint Place: La Paz; km 33, SW of Ojuelos on road to Aguascalientes, 2 mi NE of Paso de la Troje