Doubtfully present in:
Føroyar
Native to:
Alaska,
Albania,
Alberta,
Aleutian Is.,
Altay,
Argentina Northeast,
Argentina South,
Arizona,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
California,
Central European Russia,
Chile Central,
Chile South,
Colorado,
Connecticut,
Czechia-Slovakia,
Delaware,
Denmark,
District of Columbia,
East European Russia,
Falkland Is.,
Finland,
France,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Ireland,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Labrador,
Magadan,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mongolia,
Montana,
Netherlands,
Nevada,
New Brunswick,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Caucasus,
North European Russia,
Northwest European Russia,
Northwest Territories,
Norway,
Nova Scotia,
Nunavut,
NW. Balkan Pen.,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Poland,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Romania,
Sakhalin,
Saskatchewan,
South Carolina,
South Dakota,
South European Russia,
Spain,
Sweden,
Switzerland,
Tennessee,
Transcaucasus,
Türkey,
Ukraine,
Utah,
Uzbekistan,
Vermont,
Virginia,
Washington,
West Himalaya,
West Siberia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutiya,
Yukon
Introduced into:
Azores