401 Brooks Hall,West Virginia UniversityMorgantown, WV 26506-6067

401 Brooks Hall,West Virginia University Morgantown, WV 26506-6067

401 Brooks Hall West Virginia UniversityMorgantown, WV 26506-6057

401 Brooks Hall

401 Brooks Hall,West Virginia UniversityMorgantown, WV 26506-6067

401 Brooks Hall,West Virginia UniversityMorgantown, WV 26506-6067

Department of Natural Resource SciencesWashington State UniversityPullman, WA 99164-6410

Forestry CommissionNorthern Research StationRoslin, Midlothian, UK EH25 9SY

Soil Microbiology Branch, Division of Soil Science, Rhizobium Building, Dept. Agric.Phahonyothin Road, Bangkok, Thailand 10900

Dept. of Plant PathologyAcademy of AgricultureSlowackiego 17PL-71434, Szczecin, Poland