You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place In moister places in mixed coniferous woods, along east fork of Potlatch Creek, 10 miles east of Povill, Twp. 41 N, R. 2 E, S. 20. Remove constraint Place: In moister places in mixed coniferous woods, along east fork of Potlatch Creek, 10 miles east of Povill, Twp. 41 N, R. 2 E, S. 20.