You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Alpena Twp. Specimen coll. 200 ft. S.E. of Natural Resources Bldg. on Alpena Comm. College campus. On N. side of Alpena. Remove constraint Place: Alpena Twp. Specimen coll. 200 ft. S.E. of Natural Resources Bldg. on Alpena Comm. College campus. On N. side of Alpena. Topic Silene Remove constraint Topic: Silene