Native to:
Afghanistan,
Alaska,
Alberta,
Altay,
Amur,
Assam,
Austria,
Baltic States,
Bangladesh,
Belarus,
British Columbia,
Bulgaria,
Buryatiya,
California,
Cambodia,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colorado,
Czechoslovakia,
East European Russia,
East Himalaya,
Finland,
France,
Germany,
Great Britain,
Hainan,
Idaho,
India,
Inner Mongolia,
Iran,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Laos,
Magadan,
Manchuria,
Mongolia,
Montana,
Myanmar,
Nansei-shoto,
Nepal,
New South Wales,
North European Russia,
Northwest European Russia,
Northwest Territories,
Norway,
Nunavut,
Oregon,
Pakistan,
Poland,
Primorye,
Qinghai,
Queensland,
Romania,
Sakhalin,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
Vietnam,
Washington,
West Himalaya,
West Siberia,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon