You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Alcona Twp. On N. side at mouth of the Black Riv. On Lake Huron ca. 16 mi. S. of town of Alpena. Remove constraint Place: Alcona Twp. On N. side at mouth of the Black Riv. On Lake Huron ca. 16 mi. S. of town of Alpena. Place North America Remove constraint Place: North America Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Plantae Remove constraint Topic: Plantae