Native to:
Alabama,
Alaska,
Alberta,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bolivia,
Brazil Northeast,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Cambodia,
Chile Central,
Chile North,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Florida,
Georgia,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Paraguay,
Pennsylvania,
Peru,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Tennessee,
Texas,
Uruguay,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming
Introduced into:
Afghanistan,
Albania,
Algeria,
Altay,
Amur,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Botswana,
Brazil North,
Bulgaria,
Canary Is.,
Cape Provinces,
Central European Rus,
Chita,
Colombia,
Corse,
Cuba,
Cyprus,
Czechoslovakia,
Dominican Republic,
East Aegean Is.,
East European Russia,
Egypt,
France,
Free State,
Germany,
Great Britain,
Greece,
Haiti,
Hungary,
India,
Iraq,
Italy,
Jamaica,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
KwaZulu-Natal,
Lebanon-Syria,
Leeward Is.,
Lesotho,
Libya,
Madeira,
Marquesas,
Mongolia,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northern Provinces,
Northwest European R,
Palestine,
Poland,
Portugal,
Primorye,
Puerto Rico,
Romania,
Sakhalin,
Sardegna,
Sicilia,
Sinai,
Society Is.,
South European Russi,
Spain,
Sri Lanka,
Swaziland,
Switzerland,
Tadzhikistan,
Thailand,
Transcaucasus,
Tuamotu,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Uzbekistan,
Venezuela,
West Himalaya,
West Siberia,
Yugoslavia,
Zimbabwe