Native to:
Alabama,
Alaska,
Alberta,
Aleutian Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Assam,
Bangladesh,
Belize,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Cambodia,
Chile Central,
Chile South,
China South-Central,
China Southeast,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Delaware,
District of Columbia,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Falkland Is.,
Galápagos,
Georgia,
Guatemala,
Guyana,
Haiti,
Honduras,
Idaho,
Illinois,
India,
Indiana,
Japan,
Jawa,
Juan Fernández Is.,
Kentucky,
Kuril Is.,
Labrador,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Maine,
Malaya,
Maluku,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Montana,
Myanmar,
Nepal,
Nevada,
New Brunswick,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
Nicaragua,
North Carolina,
Nova Scotia,
Nunavut,
Ohio,
Ontario,
Oregon,
Pakistan,
Panamá,
Pennsylvania,
Peru,
Philippines,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Carolina,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Tasmania,
Tennessee,
Thailand,
Tibet,
Trinidad-Tobago,
Utah,
Venezuela,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
West Himalaya,
West Virginia,
Windward Is.,
Wisconsin,
Wyoming
Introduced into:
France,
Great Britain,
Ireland