Native to:
Afghanistan,
Alabama,
Albania,
Altay,
Amur,
Arizona,
Arkansas,
Assam,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Connecticut,
Corse,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
East European Russia,
East Himalaya,
Finland,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Hungary,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kansas,
Kazakhstan,
Kentucky,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Louisiana,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Northeast,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Morocco,
Myanmar,
Nansei-shoto,
Nebraska,
Nepal,
Netherlands,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
North Carolina,
North Caucasus,
North Dakota,
North European Russi,
Northwest European R,
Norway,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Pakistan,
Pennsylvania,
Poland,
Portugal,
Primorye,
Qinghai,
Québec,
Rhode I.,
Romania,
Sakhalin,
Saskatchewan,
Sicilia,
South Carolina,
South Dakota,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tennessee,
Texas,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
Vermont,
Vietnam,
Virginia,
West Himalaya,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
New Zealand South