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Europe Eastern Europe South European Russia Ukraine Introduced into Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China Southeast Manchuria Eastern Asia Japan Korea Middle Asia Kazakhstan Kirgizistan Tadzhikistan Uzbekistan Russian Far East Kamchatka Primorye Sakhalin Siberia Altay Buryatiya Krasnoyarsk Tuva Yakutskiya Western Asia Turkey Australasia New Zealand New Zealand North New Zealand South Europe Eastern Europe Baltic States Belarus Central European Russia East European Russia North European Russia Northwest European Russia Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Finland Great Britain Ireland Norway Sweden Southeastern Europe Albania Bulgaria Italy Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe France Spain Northern America Eastern Canada New Brunswick Nova Scotia Ontario Prince Edward I. Québec North-Central U.S.A. Illinois Iowa Minnesota Missouri Nebraska North Dakota South Dakota Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Hampshire New Jersey New York Ohio Pennsylvania Rhode I. Vermont West Virginia Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming South-Central U.S.A. New Mexico Southeastern U.S.A. Kentucky Maryland North Carolina Tennessee Virginia Southwestern U.S.A. California Utah Western Canada British Columbia Manitoba Saskatchewan Pacific Northwestern Pacific Marianas Southern America Caribbean Jamaica