You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place At Grass Bay, ca. 6 km east of Cheboygan. Remove constraint Place: At Grass Bay, ca. 6 km east of Cheboygan. Topic Alismatales Remove constraint Topic: Alismatales Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Plantae Remove constraint Topic: Plantae Topic Tofieldiaceae Remove constraint Topic: Tofieldiaceae