Native to:
Afghanistan,
Alaska,
Albania,
Alberta,
Algeria,
Altay,
Amur,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Austria,
Baleares,
Baltic States,
Belarus,
British Columbia,
Bulgaria,
Buryatiya,
California,
Cape Provinces,
Central European Rus,
Chile South,
China North-Central,
China South-Central,
Chita,
Colorado,
Connecticut,
Czechoslovakia,
East European Russia,
Egypt,
France,
Free State,
Greece,
Gulf States,
Hungary,
Idaho,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Irkutsk,
Italy,
Kamchatka,
Kansas,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuwait,
Lebanon-Syria,
Lesotho,
Libya,
Magadan,
Maine,
Manchuria,
Manitoba,
Massachusetts,
Mexico Northeast,
Mexico Northwest,
Minnesota,
Missouri,
Mongolia,
Montana,
Morocco,
Nebraska,
Nepal,
Nevada,
New Mexico,
North Caucasus,
North Dakota,
North European Russi,
Northwest European R,
Northwest Territorie,
Oklahoma,
Oman,
Oregon,
Pakistan,
Palestine,
Pennsylvania,
Primorye,
Qinghai,
Romania,
Sakhalin,
Saskatchewan,
Saudi Arabia,
Sinai,
South Carolina,
South Dakota,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Texas,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Utah,
Uzbekistan,
Washington,
West Himalaya,
West Siberia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon
Introduced into:
Belgium,
Denmark,
District of Columbia,
Finland,
Germany,
Illinois,
Indiana,
Kentucky,
KwaZulu-Natal,
Labrador,
Maryland,
Michigan,
Netherlands,
New Brunswick,
New Caledonia,
New Hampshire,
New Jersey,
New York,
Newfoundland,
Northern Provinces,
Norway,
Nova Scotia,
Ohio,
Ontario,
Poland,
Prince Edward I.,
Québec,
Rhode I.,
Sicilia,
Venezuela,
Vermont,
Virginia,
West Virginia