1. V.A. Brown Division of Biology, University of Tennessee, 402 Hesler Biology Building, Knoxville, Tennessee 37996
2. E.V. Willcox, K.E. Fagan Department of Forestry, Wildlife and Fisheries, University of Tennessee, 274 Ellington Plant Science Building, Knoxville, Tennessee 37996
3. R.F. Bernard Department of Ecosystem Science and Management, Pennsylvania State University, University Park, PA 16802