1. Irrigated Agriculture Research and Extension Center, Washington State University, Prosser, Washington 99350
2. School of Environmental and Forest Sciences, University of Washington, Seattle, Washington 98195
3. Plant Pest Diagnostics Laboratory, Plant Health and Pest Prevention Services, California Department of Food and Agriculture, 3294 Meadowview Road, Sacramento, California 95832-1448
4. Herbarium, Bereich Geobotanik und Botanischer, Institut für Biologie, Martin-Luther-Universität, Neuwerk 21, 06099 Halle (Saale), Germany
5. Institute of Vegetable and Floriculture Science, National Agriculture and Food Research Organization, Tsu, Mie 514-2392, Japan
6. Graduate School of Bioresources, Mie University, 1577 Kurima-Machiya, Tsu 514-8507, Japan
7. Mycology and Nematology Genetic Diversity and Biology Laboratory, United States Department of Agriculture, Beltsville, Maryland 20705