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,
Michigan,
Minnesota,
Mississippi,
Missouri,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming
Introduced into:
Albania,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
China North-Central,
China Southeast,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
France,
Germany,
Great Britain,
Hungary,
Ireland,
Italy,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krym,
Kuril Is.,
Lebanon-Syria,
Morocco,
Netherlands,
New Zealand North,
North Caucasus,
Northwest European Russia,
Norway,
Poland,
Portugal,
Primorye,
Romania,
Sakhalin,
Sardegna,
Sicilia,
Spain,
Switzerland,
Tadzhikistan,
Transcaucasus,
Turkey,
Ukraine,
Uzbekistan,
West Siberia,
Yugoslavia