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 Alcona Remove constraint Place: Alcona 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. Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Plantae Remove constraint Topic: Plantae