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Africa Northern Africa Algeria Egypt Libya Morocco Tunisia Western Sahara Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Hainan Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Japan Korea Taiwan Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Mongolia Mongolia Russian Far East Amur Khabarovsk Primorye Siberia Altay Buryatiya Chita Irkutsk Krasnoyarsk Tuva Western Asia Afghanistan Cyprus Iran Iraq Lebanon-Syria Turkey Asia-Tropical Indian Subcontinent East Himalaya India Nepal Pakistan West Himalaya Indo-China Myanmar Vietnam Malesia Borneo Jawa Lesser Sunda Is. Malaya Maluku Philippines Sulawesi Sumatera Europe Eastern Europe Central European Russia East European Russia Krym Northwest European Russia South European Russia Southeastern Europe Bulgaria Greece Romania Turkey-in-Europe Introduced into Asia-Tropical Indo-China Laos Australasia New Zealand New Zealand North Europe Eastern Europe Baltic States Belarus Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Great Britain Southeastern Europe Albania Italy Sicilia Yugoslavia Southwestern Europe Corse France Portugal Spain Northern America Eastern Canada New Brunswick Ontario Québec North-Central U.S.A. Illinois Iowa Kansas Missouri Nebraska Oklahoma Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Hampshire New Jersey New York Ohio Pennsylvania Vermont West Virginia Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming South-Central U.S.A. Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Georgia Kentucky Louisiana Maryland Mississippi North Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Utah Southern America Southern South America Argentina Northeast Argentina Northwest Argentina South Chile Central Chile North Chile South Paraguay Uruguay Western South America Ecuador Peru