Phytophthoras in forests and natural ecosystems : proceedings of the Fourth Meeting of the International Union of Forest Research Organizations (IUFRO) working party S07.02.09 : August 26-31, 2007, Monterey, California / - Goheen, Ellen Michaels.; Frankel, Susan J. (U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station,, 2009)