You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Alcona Remove constraint Place: Alcona Place near old dam site at Mill Pond on W. side of U.S.-23 in village of Harrisville. Harrisville Twp. T26N, R9E, Sec. 12, SW1/4 Remove constraint Place: near old dam site at Mill Pond on W. side of U.S.-23 in village of Harrisville. Harrisville Twp. T26N, R9E, Sec. 12, SW1/4 Topic Dactylis Remove constraint Topic: Dactylis Topic Poaceae Remove constraint Topic: Poaceae Topic Poales Remove constraint Topic: Poales