Native to:
Afghanistan,
Alaska,
Aleutian Is.,
Altay,
Amur,
Angola,
Arizona,
Assam,
Austria,
Baltic States,
Belarus,
British Columbia,
Bulgaria,
Burundi,
Buryatiya,
California,
Cambodia,
Cameroon,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colorado,
Czechoslovakia,
East European Russia,
East Himalaya,
Eritrea,
Ethiopia,
France,
Germany,
Guinea,
Gulf of Guinea Is.,
Hainan,
Idaho,
India,
Inner Mongolia,
Iran,
Iraq,
Irkutsk,
Italy,
Japan,
Jawa,
Kamchatka,
Kazakhstan,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kuril Is.,
KwaZulu-Natal,
Laos,
Lesotho,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Manchuria,
Mongolia,
Montana,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
Nevada,
New Guinea,
New Mexico,
Nigeria,
North Caucasus,
North European Russia,
Northern Provinces,
Northwest European Russia,
Oregon,
Pakistan,
Philippines,
Poland,
Primorye,
Qinghai,
Romania,
Rwanda,
Sakhalin,
Saudi Arabia,
Sierra Leone,
South European Russia,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Tuva,
Uganda,
Ukraine,
Utah,
Uzbekistan,
Vietnam,
Washington,
West Himalaya,
West Siberia,
Wyoming,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe