You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place at Grass Bay, Sec. 19-20, R1E, T38N, ca. 6 mi. e.n.e. of Cheboygan P.O. Remove constraint Place: at Grass Bay, Sec. 19-20, R1E, T38N, ca. 6 mi. e.n.e. of Cheboygan P.O.