Doubtfully present in:
Sakhalin
Native to:
Alabama,
Albania,
Altay,
Arizona,
Arkansas,
Austria,
Azores,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
California,
Central European Rus,
China Southeast,
Colorado,
Connecticut,
Corse,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
East European Russia,
Finland,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Hainan,
Hungary,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Italy,
Japan,
Kansas,
Kazakhstan,
Kentucky,
Kirgizstan,
Korea,
Louisiana,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Northeast,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Netherlands,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
North Carolina,
North Caucasus,
North Dakota,
North European Russi,
Northwest European R,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Poland,
Portugal,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Romania,
Saskatchewan,
South Carolina,
South Dakota,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tennessee,
Texas,
Transcaucasus,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Utah,
Uzbekistan,
Vermont,
Virginia,
Washington,
West Himalaya,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang,
Yugoslavia
Introduced into:
Cuba,
New South Wales,
New Zealand North,
Victoria