1. Department of Ecology, Evolution, and Behavior, University of Minnesota, Falcon Heights, MN
2. Center for Advanced Bioenergy and Bioproducts Innovation, University of Illinois Urbana-Champaign, Urbana, IL
3. Northern Research Station, USDA Forest Service, Morgantown, WV
4. Department of Geology and Geography, West Virginia University, Morgantown, WV
5. Department of Biology, West Virginia University, Morgantown, WV