You searched for: Language UND Remove constraint Language: UND Place Ann Arbor Twp. University of Michigan Botanical Gardens, Dixboro Site. 4.5 miles northeast of Ann Arbor. NE of barn at Gate 4 along border of mowed meadow and oak-elm woods in wet depression. Remove constraint Place: Ann Arbor Twp. University of Michigan Botanical Gardens, Dixboro Site. 4.5 miles northeast of Ann Arbor. NE of barn at Gate 4 along border of mowed meadow and oak-elm woods in wet depression.