2001
Joyce, L.A., Flannigan, M.D., Dale, V.H., Wotton, B.M., Hanson, P.J., Irland, L.C., Stocks, B.J., Swanson, F.J., Peterson, C.J., Neilson, R.P., Ayres, M.P., Lugo, A.E., Simberloff, D.