Abstract A new distribution map is provided for Potato spindle tuber viroid . Hosts: Potato ( Solanum tuberosum ), tomato ( Lycopersicon esculentum ), other Solanum spp. Information is given on the geographical distribution in Afghanistan, Argentina, Australia, New South Wales, Northern Territory, South Australia, Victoria, Brazil, Canada, Alberta, British Columbia, New Brunswick, Ontario, Prince Edward Island, Quebec, China, Hebei, Heilongjiang, Jiangsu, Cuba, Czech Republic, Egypt, France, Germany, Hungary, India, Himachal Pradesh, Maharashtra, Japan, Netherlands, Nigeria, Peru, Poland, Russia (European), Slovakia, South Africa, Switzerland, Turkey, UK Scotland, USA, Kansas, Maine, Maryland, Michigan, New York, Wisconsin, Ukraine, Uruguay.