Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Japan Korea Middle Asia Kazakhstan Kirgizistan Tadzhikistan Uzbekistan Mongolia Mongolia Russian Far East Amur Kamchatka Khabarovsk Magadan Primorye Siberia Altay Buryatiya Irkutsk Krasnoyarsk Tuva West Siberia Yakutskiya Western Asia Afghanistan Turkey Asia-Tropical Indian Subcontinent West Himalaya Europe Eastern Europe Baltic States Central European Russia East European Russia Northwest European Russia South European Russia Ukraine Southeastern Europe Bulgaria Romania Introduced into Europe Middle Europe Austria Czechoslovakia Germany Hungary Poland Switzerland Northern Europe Norway Southeastern Europe Italy Southwestern Europe France Northern America North-Central U.S.A. Illinois Iowa Minnesota Wisconsin Northeastern U.S.A. Connecticut Masachusettes New Jersey New York Pennsylvania Southeastern U.S.A. Maryland Southwestern U.S.A. California

Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Japan Korea Middle Asia Kazakhstan Kirgizistan Tadzhikistan Uzbekistan Mongolia Mongolia Russian Far East Amur Kamchatka Khabarovsk Magadan Primorye Siberia Altay Buryatiya Irkutsk Krasnoyarsk Tuva West Siberia Yakutskiya Western Asia Afghanistan Turkey Asia-Tropical Indian Subcontinent West Himalaya Europe Eastern Europe Baltic States Central European Russia East European Russia Northwest European Russia South European Russia Ukraine Southeastern Europe Bulgaria Romania Introduced into Europe Middle Europe Austria Czechoslovakia Germany Hungary Poland Switzerland Northern Europe Norway Southeastern Europe Italy Southwestern Europe France Northern America North-Central U.S.A. Illinois Iowa Minnesota Wisconsin Northeastern U.S.A. Connecticut Masachusettes New Jersey New York Pennsylvania Southeastern U.S.A. Maryland Southwestern U.S.A. California