You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Along the shoulder of the west side of the southbound entrance ramp onto U.S. 23 from Cone Road. About 40 km south of Ann Arbor. Remove constraint Place: Along the shoulder of the west side of the southbound entrance ramp onto U.S. 23 from Cone Road. About 40 km south of Ann Arbor.