Native to:
Alabama,
Alberta,
Amur,
Arizona,
Arkansas,
Assam,
British Columbia,
California,
China North-Central,
China South-Central,
China Southeast,
Colorado,
Costa Rica,
East Himalaya,
El Salvador,
Florida,
Georgia,
Guatemala,
Honduras,
Idaho,
Inner Mongolia,
Japan,
Kentucky,
Khabarovsk,
Korea,
Louisiana,
Manchuria,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Montana,
Myanmar,
Nepal,
Nevada,
New Mexico,
North Carolina,
North Caucasus,
Oklahoma,
Oregon,
Panamá,
Primorye,
Qinghai,
South Carolina,
Tennessee,
Texas,
Tibet,
Transcaucasus,
Turkey,
Utah,
Virginia,
Washington,
West Himalaya,
West Virginia,
Wyoming
Introduced into:
Argentina Northwest,
Austria,
Belgium,
Central European Russia,
Connecticut,
Czechoslovakia,
East Aegean Is.,
East European Russia,
France,
Great Britain,
Greece,
Hungary,
Illinois,
Indiana,
Iowa,
Ireland,
Italy,
Kansas,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Norway,
Ohio,
Ontario,
Pennsylvania,
Portugal,
Québec,
Rhode I.,
Romania,
South European Russia,
Spain,
Sweden,
Turkey-in-Europe,
Turkmenistan,
Uzbekistan,
Vermont,
Wisconsin