You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Black River, in or near sec. 22, Benton Tp., ca. 1 1/2 3 1/2 mi. NW of Alverno. Remove constraint Place: Black River, in or near sec. 22, Benton Tp., ca. 1 1/2 3 1/2 mi. NW of Alverno.