Native to:
Alabama,
Alberta,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bahamas,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Chile Central,
Chile South,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
Florida,
Georgia,
Guatemala,
Honduras,
Idaho,
Illinois,
Indiana,
Iowa,
Jamaica,
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,
Newfoundland,
North Carolina,
North Dakota,
Northwest Territories,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Panamá,
Pennsylvania,
Peru,
Prince Edward I.,
Puerto Rico,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Tennessee,
Texas,
Uruguay,
Utah,
Venezuela,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Yukon
Introduced into:
Alaska,
Albania,
Austria,
Azores,
Baltic States,
Belgium,
Bermuda,
Bulgaria,
China North-Central,
China South-Central,
China Southeast,
Chita,
Czechoslovakia,
France,
Germany,
Great Britain,
Greece,
Hawaii,
Hungary,
Inner Mongolia,
Iran,
Ireland,
Italy,
Japan,
Khabarovsk,
Korea,
Libya,
Madeira,
Manchuria,
Mongolia,
Netherlands,
New Zealand North,
Norway,
Palestine,
Poland,
Portugal,
Primorye,
Romania,
Sardegna,
Spain,
Sweden,
Switzerland,
Tibet,
West Himalaya,
Yugoslavia