Native to:
Alabama,
Alaska,
Alberta,
Arizona,
Arkansas,
British Columbia,
California,
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,
Nunavut,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming
Introduced into:
Altay,
Assam,
Austria,
Baltic States,
Belarus,
Belgium,
Borneo,
Bulgaria,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Cook Is.,
Corse,
Czechoslovakia,
Denmark,
Dominican Republic,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Hainan,
Hawaii,
Hungary,
India,
Ireland,
Italy,
Japan,
Jawa,
Kazakhstan,
Krym,
Lesser Sunda Is.,
Malaya,
Manchuria,
Mauritius,
Netherlands,
New South Wales,
New Zealand North,
New Zealand South,
Nicaragua,
North Caucasus,
North European Russi,
Northern Territory,
Northwest European R,
Norway,
Philippines,
Poland,
Primorye,
Qinghai,
Queensland,
Romania,
Sakhalin,
Society Is.,
South Australia,
South European Russi,
Spain,
Sri Lanka,
Sulawesi,
Sumatera,
Sweden,
Switzerland,
Tasmania,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Victoria,
West Himalaya,
West Siberia,
Western Australia,
Xinjiang,
Yugoslavia