You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Sleeping Bear Dunes National Lakeshore, at sharp turn in N. Bar Lake Rd., ½ mile north of Voice Rd. Remove constraint Place: Sleeping Bear Dunes National Lakeshore, at sharp turn in N. Bar Lake Rd., ½ mile north of Voice Rd.