You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Black Hills, 3.6 miles south of U. S. 16 on Fourmile Creek Road (4 miles west of Custer) Remove constraint Place: Black Hills, 3.6 miles south of U. S. 16 on Fourmile Creek Road (4 miles west of Custer) Topic Verrucaria Remove constraint Topic: Verrucaria