Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
Benin,
Bulgaria,
Burkina,
Burundi,
Buryatiya,
Cameroon,
Central African Repu,
Central European Rus,
Chad,
China North-Central,
China South-Central,
China Southeast,
Chita,
Cyprus,
Czechoslovakia,
Djibouti,
East Aegean Is.,
East European Russia,
Egypt,
Eritrea,
Ethiopia,
France,
Germany,
Ghana,
Great Britain,
Greece,
Guinea,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Ivory Coast,
Japan,
Kazakhstan,
Kenya,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Mali,
Manchuria,
Mauritania,
Mongolia,
Morocco,
Myanmar,
Nepal,
Niger,
Nigeria,
North Caucasus,
Norway,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Qinghai,
Romania,
Rwanda,
Saudi Arabia,
Sicilia,
Sinai,
Somalia,
South European Russi,
Spain,
Sudan,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Togo,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Uganda,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Western Sahara,
Xinjiang,
Yemen,
Yugoslavia,
Zaïre
Introduced into:
California,
Colorado,
Connecticut,
Denmark,
Illinois,
Indiana,
Iowa,
Kentucky,
Maine,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Netherlands,
New Brunswick,
New Hampshire,
New South Wales,
New York,
Ontario,
Pennsylvania,
Québec,
Saskatchewan,
Sweden,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin