University of Michigan Biological Station, 9133 E. State St., Pellston, MI 49769, United States ; Ohio State University, Department of Evolution, Ecology, and Organismal Biology, 300 Aronoff Lab 318 W. 12th Ave., Columbus, OH 43210, United States
USDA-Forest Service, Northern Research Station, 410 MacInnes Dr., Houghton, MI 49931, United States
National Council for Air and Stream Improvement, P.O. Box 13318, Res. Triangle Park., NC 27703, United States
Ohio State University, Department of Evolution, Ecology, and Organismal Biology, 300 Aronoff Lab 318 W. 12th Ave., Columbus, OH 43210, United States