Native to:
Afghanistan,
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Rus,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Egypt,
Eritrea,
Ethiopia,
Finland,
France,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
Iceland,
Iran,
Iraq,
Italy,
Kazakhstan,
Kenya,
Kriti,
Krym,
Kuwait,
Lebanon-Syria,
Libya,
Madeira,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tanzania,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Ukraine,
Uzbekistan,
Yemen,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Arizona,
Arkansas,
Bolivia,
British Columbia,
California,
Cape Provinces,
Chatham Is.,
Colorado,
Connecticut,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
Falkland Is.,
Florida,
Free State,
Georgia,
Hawaii,
Honduras,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Ireland,
Japan,
Juan Fernández Is.,
Kamchatka,
Kansas,
Kentucky,
Kirgizstan,
Korea,
KwaZulu-Natal,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Northwest,
Minnesota,
Mississippi,
Missouri,
Montana,
Nansei-shoto,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
Newfoundland,
North Carolina,
North Dakota,
Northern Provinces,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Paraguay,
Pennsylvania,
Primorye,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
Saskatchewan,
South Australia,
South Carolina,
South Dakota,
Tasmania,
Tennessee,
Texas,
Tristan da Cunha,
Uruguay,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Himalaya,
West Virginia,
Wisconsin,
Wyoming,
Yukon