You searched for: Place Alcona Remove constraint Place: Alcona Place Michigan Remove constraint Place: Michigan Place On N.E. side of Swamp Rd. near creek crossing in swamp about .8 mi. N.W. of village of Harrisville. Harrisville Twp. Remove constraint Place: On N.E. side of Swamp Rd. near creek crossing in swamp about .8 mi. N.W. of village of Harrisville. Harrisville Twp. Topic Carex Remove constraint Topic: Carex Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Plantae Remove constraint Topic: Plantae