Native to:
Albania,
Algeria,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Rus,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Egypt,
Finland,
France,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
Iran,
Iraq,
Italy,
Japan,
Korea,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Morocco,
Nansei-shoto,
Nepal,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Selvagens,
Sicilia,
Sinai,
South European Russi,
Spain,
Sweden,
Switzerland,
Taiwan,
Thailand,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Ascension,
Bahamas,
Bermuda,
California,
Cape Provinces,
Eritrea,
Haiti,
Ireland,
Jamaica,
Maryland,
New York,
New Zealand North,
New Zealand South,
St.Helena