You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place University of Michigan Botanical Gardens, Dixboro Rd. 4.5 miles northeast of Ann Arbor. Sanford Hill Remove constraint Place: University of Michigan Botanical Gardens, Dixboro Rd. 4.5 miles northeast of Ann Arbor. Sanford Hill Topic Symphyotrichum Remove constraint Topic: Symphyotrichum