Native to:
Afghanistan,
Albania,
Algeria,
Austria,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Cape Verde,
Central European Rus,
Connecticut,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East European Russia,
Egypt,
Finland,
France,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
India,
Iran,
Ireland,
Italy,
Krym,
Libya,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mauritania,
Morocco,
Netherlands,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
Northwest European R,
Norway,
Nova Scotia,
Pennsylvania,
Portugal,
Prince Edward I.,
Québec,
Rhode I.,
Romania,
Sardegna,
Saudi Arabia,
Senegal,
Sicilia,
South European Russi,
Spain,
Sri Lanka,
Sweden,
Thailand,
Tunisia,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Vietnam,
Virginia,
West Siberia,
Western Sahara,
Yugoslavia
Extinct in:
Poland
Introduced into:
Tasmania