You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Superior Twp. University of Michigan Botanical Gardens, Dixboro Site. 4.5 miles northeast of Ann Arbor; just north of narrow, upland strip of elm woods that extends into hardwood plantings Remove constraint Place: Superior Twp. University of Michigan Botanical Gardens, Dixboro Site. 4.5 miles northeast of Ann Arbor; just north of narrow, upland strip of elm woods that extends into hardwood plantings