You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place University of Michigan Botanical Gardens, Dixboro Site, 4.5 mi. northeast of Ann Arbor. Edge of hardwood plantings near large pond. Remove constraint Place: University of Michigan Botanical Gardens, Dixboro Site, 4.5 mi. northeast of Ann Arbor. Edge of hardwood plantings near large pond. Topic Podophyllum Remove constraint Topic: Podophyllum