1. Department of Plant Pathology, Washington State University Puyallup Research and Extension Center, Puyallup, Washington 98107
2. Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138
3. Institut für Pflanzenschutz in Gartenbau und Forst, Julius Kühn-Institut, Messeweg 11/12, 38104, Braunschweig, Germany
4. Herbarium, Institutsbereich Geobotanik und Botanischer Garten, Institut für Biologie, Martin-Luther-Universität, Neuwerk 21, 06099 Halle (Saale), Germany
5. Department of Plant Pathology, Washington State University, Pullman, Washington 99164
6. School of Environmental and Forest Sciences, University of Washington, Seattle, Washington 98195