Native to:
Afghanistan,
Alabama,
Alberta,
Amur,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Assam,
Bangladesh,
Bolivia,
Borneo,
Brazil Northeast,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Cambodia,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
East Himalaya,
El Salvador,
Florida,
Georgia,
Guatemala,
Hainan,
Haiti,
Honduras,
Idaho,
Illinois,
India,
Indiana,
Inner Mongolia,
Iowa,
Japan,
Jawa,
Kansas,
Kentucky,
Khabarovsk,
Korea,
Kuril Is.,
Labrador,
Louisiana,
Maine,
Malaya,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Myanmar,
Nansei-shoto,
Nebraska,
Nepal,
New Brunswick,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
Nicaragua,
North Carolina,
North Dakota,
Northwest Territorie,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Carolina,
South Dakota,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Tennessee,
Texas,
Thailand,
Tibet,
Utah,
Venezuela,
Vermont,
Vietnam,
Virginia,
Washington,
West Himalaya,
West Virginia,
Wisconsin,
Wyoming,
Yukon
Introduced into:
Austria,
Czechoslovakia,
Denmark,
Sweden,
Switzerland