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. West Carex Marsh in center of property. Remove constraint Place: University of Michigan Botanical Gardens, Dixboro Site, 4.5 mi. northeast of Ann Arbor. West Carex Marsh in center of property. Topic Asterales Remove constraint Topic: Asterales