Blacksburg / Ascot / Wallingford / Bozeman / Rome / Frederick / Washington / Stoneville / Delémont / /
Company
Weed Research Laboratory / /
Continent
North America / Europe / /
Country
Germany / Switzerland / Romania / Italy / Bulgaria / Turkey / France / Austria / United States / United Kingdom / Yugoslavia / Greece / /
Facility
Plant Disease / Commonwealth Institute of Biological Control / CABI Bioscience Centre / Virginia Polytechnic Institute / State University / /
Organization
Western Society of Weed Science / Department of Entomology / USDA / Canada Department of Agriculture / Polytechnic Institute / State University / U.S. Department of Agriculture / Commonwealth Institute of Biological Control / CABI Bioscience Centre Switzerland / Natural Resources Conservation Service / /
Person
P. C. Quimby / Jr. / /
Position
D. J. / thistle head / /
ProvinceOrState
Texas / New Jersey / Virginia / Alabama / Maryland / Oregon / New York / Pennsylvania / Montana / South Carolina / Mississippi / California / /
Region
central Italy / Scandinavia / southern Europe / eastern United States / southern England / western France / southern California / southern Italy / western Europe / Mediterranean / southern France / /