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 NW end of Mayo Lake, Blue Lake Twp., ca. 6 mi. NW of Holton. Remove constraint Place: NW end of Mayo Lake, Blue Lake Twp., ca. 6 mi. NW of Holton.