Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Arizona,
Assam,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Burundi,
Buryatiya,
California,
Cameroon,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Colorado,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Ethiopia,
Finland,
France,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
Idaho,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Laos,
Lebanon-Syria,
Malawi,
Manchuria,
Mexico Northeast,
Mexico Northwest,
Mongolia,
Montana,
Morocco,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
Netherlands,
Nevada,
New Mexico,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Oklahoma,
Oman,
Oregon,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Qinghai,
Romania,
Rwanda,
Sakhalin,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
Somalia,
South Dakota,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Texas,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Ukraine,
Utah,
Uzbekistan,
Vietnam,
Washington,
West Himalaya,
West Siberia,
Wyoming,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia,
Zaïre
Introduced into:
Arkansas,
Connecticut,
Illinois,
Indiana,
Kentucky,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North Carolina,
Ohio,
Ontario,
Pennsylvania,
Québec,
Rhode I.,
Tennessee,
Vermont,
Virginia,
West Virginia,
Wisconsin