You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Alpena Twp. T31N, R8E, Sec. 20, NE1/4. 1/2 mi. S. of Long Rapids Rd. on W. side of town of Alpena. Remove constraint Place: Alpena Twp. T31N, R8E, Sec. 20, NE1/4. 1/2 mi. S. of Long Rapids Rd. on W. side of town of Alpena.