You searched for: Place U of M Botanical Gardens, Dixboro Site. 4.5 mi Northeast of Ann Arbor, in meadow south of the big oak by Parker Brook. [A 1961 map of the UM Botanical Gardens indicates Parker Brook was located NW of the buildings. Approx. Lat. 42.3019 Long. -83.6640.] Remove constraint Place: U of M Botanical Gardens, Dixboro Site. 4.5 mi Northeast of Ann Arbor, in meadow south of the big oak by Parker Brook. [A 1961 map of the UM Botanical Gardens indicates Parker Brook was located NW of the buildings. Approx. Lat. 42.3019 Long. -83.6640.] Topic Salix Remove constraint Topic: Salix