Doubtfully present in:
Morocco,
Tunisia
Native to:
Afghanistan,
Albania,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Rus,
China North-Central,
China Southeast,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Inner Mongolia,
Iran,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Krasnoyarsk,
Krym,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Poland,
Portugal,
Romania,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Ukraine,
West Siberia,
Xinjiang,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Amsterdam-St.Paul Is,
Antipodean Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arkansas,
Brazil South,
British Columbia,
California,
Canary Is.,
Chatham Is.,
Chile Central,
Chile South,
Colombia,
Connecticut,
Costa Rica,
Crozet Is.,
District of Columbia,
East Himalaya,
Falkland Is.,
Greenland,
Hawaii,
Honduras,
Idaho,
Illinois,
Indiana,
Japan,
Kamchatka,
Kentucky,
Kerguelen,
Khabarovsk,
Kuril Is.,
Labrador,
Macquarie Is.,
Maine,
Maryland,
Massachusetts,
Mexico Central,
Michigan,
Mississippi,
Missouri,
Montana,
Nevada,
New Brunswick,
New Caledonia,
New Hampshire,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Réunion,
Sakhalin,
South Australia,
South Carolina,
South Georgia,
St.Helena,
Tasmania,
Tennessee,
Tristan da Cunha,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Western Australia,
Wyoming,
Yukon