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Europe Eastern Europe Baltic States Belarus Central European Russia Northwest European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Great Britain Ireland Norway Sweden Southeastern Europe Bulgaria Greece Italy Romania Sicilia Yugoslavia Southwestern Europe Corse France Portugal Sardegna Spain Introduced into Africa Macaronesia Azores Canary Is. Madeira Southern Africa Cape Provinces KwaZulu-Natal Northern Provinces Western Indian Ocean Madagascar Asia-Temperate Eastern Asia Japan Korea Asia-Tropical Indian Subcontinent India West Himalaya Australasia Australia New South Wales South Australia Tasmania Victoria New Zealand Antipodean Is. Chatham Is. New Zealand North New Zealand South Europe Southeastern Europe Turkey-in-Europe Northern America Northeastern U.S.A. New Jersey New York Northwestern U.S.A. Idaho (Doubtful) Oregon Washington Southeastern U.S.A. Alabama Delaware Kentucky Maryland Tennessee Southwestern U.S.A. California Western Canada British Columbia Pacific North-Central Pacific Hawaii Southern America Southern South America Argentina Northeast Argentina South Chile Central