Doubtfully present in:
Denmark
Native to:
Alaska,
Albania,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Czechoslovakia,
East European Russia,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Inner Mongolia,
Iran,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Magadan,
Maine,
Manchuria,
Michigan,
Mongolia,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Oregon,
Pennsylvania,
Poland,
Primorye,
Qinghai,
Romania,
Sakhalin,
South European Russi,
Spain,
Sweden,
Switzerland,
Taiwan,
Tibet,
Transcaucasus,
Turkey,
Tuva,
Ukraine,
Washington,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon
Introduced into:
Finland,
Peru