Native to:
Afghanistan,
Alaska,
Albania,
Alberta,
Aleutian Is.,
Altay,
Amur,
Arizona,
Assam,
Austria,
Bangladesh,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colorado,
Connecticut,
Czechia-Slovakia,
Denmark,
District of Columbia,
East European Russia,
East Himalaya,
Finland,
France,
Germany,
Great Britain,
Hungary,
Idaho,
Illinois,
India,
Indiana,
Inner Mongolia,
Iowa,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Kentucky,
Khabarovsk,
Korea,
Krasnoyarsk,
Kuril Is.,
Magadan,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Montana,
Myanmar,
Nepal,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Caucasus,
North Dakota,
Northwest European Russia,
Northwest Territories,
Norway,
Nova Scotia,
NW. Balkan Pen.,
Ohio,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Poland,
Primorye,
Prince Edward I.,
Qinghai,
Québec,
Rhode I.,
Romania,
Sakhalin,
Saskatchewan,
South Carolina,
South Dakota,
Spain,
Sweden,
Switzerland,
Taiwan,
Tennessee,
Thailand,
Tibet,
Transcaucasus,
Tuva,
Türkey,
Utah,
Vermont,
Vietnam,
Virginia,
Washington,
West Himalaya,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Yakutiya,
Yukon