Northern America Eastern Canada Ontario Québec North-Central U.S.A. Minnesota Wisconsin Northeastern U.S.A. Connecticut Maine Masachusettes New York Vermont Northwestern U.S.A. Idaho Montana Oregon Washington Southwestern U.S.A. California Nevada Western Canada Alberta British Columbia Introduced into Asia-Temperate Caucasus Transcaucasus Middle Asia Kazakhstan Kirgizistan Mongolia Mongolia Siberia Krasnoyarsk West Siberia Asia-Tropical Indian Subcontinent Bangladesh Pakistan Australasia Australia New South Wales South Australia Victoria 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 South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Finland Norway Sweden Southeastern Europe Bulgaria Romania Yugoslavia Southwestern Europe France Northern America Eastern Canada Labrador Newfoundland North-Central U.S.A. Illinois Southeastern U.S.A. Maryland Southern America Southern South America Argentina South Chile South

Northern America Eastern Canada Ontario Québec North-Central U.S.A. Minnesota Wisconsin Northeastern U.S.A. Connecticut Maine Masachusettes New York Vermont Northwestern U.S.A. Idaho Montana Oregon Washington Southwestern U.S.A. California Nevada Western Canada Alberta British Columbia Introduced into Asia-Temperate Caucasus Transcaucasus Middle Asia Kazakhstan Kirgizistan Mongolia Mongolia Siberia Krasnoyarsk West Siberia Asia-Tropical Indian Subcontinent Bangladesh Pakistan Australasia Australia New South Wales South Australia Victoria 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 South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Finland Norway Sweden Southeastern Europe Bulgaria Romania Yugoslavia Southwestern Europe France Northern America Eastern Canada Labrador Newfoundland North-Central U.S.A. Illinois Southeastern U.S.A. Maryland Southern America Southern South America Argentina South Chile South