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Africa Macaronesia Azores Canary Is. Madeira Northeast Tropical Africa Eritrea Ethiopia Northern Africa Algeria Egypt Libya Morocco Tunisia Asia-Temperate Arabian Peninsula Saudi Arabia Yemen Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Hainan Inner Mongolia Manchuria Qinghai Tibet Xinjiang Eastern Asia Japan Korea Nansei-shoto Taiwan Middle Asia Kazakhstan Kirgizistan Tadzhikistan Turkmenistan Uzbekistan Russian Far East Amur Kamchatka Khabarovsk Kuril Is. Magadan Primorye Sakhalin Siberia Altay Buryatiya Chita Irkutsk Krasnoyarsk West Siberia Yakutskiya Western Asia Afghanistan Cyprus East Aegean Is. Iran Iraq Lebanon-Syria Palestine Turkey Asia-Tropical Indian Subcontinent East Himalaya Nepal Pakistan West Himalaya Indo-China Myanmar Europe Eastern Europe Baltic States Belarus Central European Russia East European Russia Krym North European Russia Northwest European Russia South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Finland Føroyar Great Britain Iceland Ireland Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Kriti Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe Baleares Corse France Portugal Sardegna Spain Northern America Eastern Canada Labrador New Brunswick Nova Scotia Ontario Québec North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska North Dakota Oklahoma South Dakota Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Michigan New Hampshire New Jersey New York Ohio Pennsylvania Rhode I. Vermont West Virginia Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming South-Central U.S.A. New Mexico Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Subarctic America Alaska Northwest Territories Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Southern America Brazil Paraní Rio Grande do Sul Santa Catarina Minas Gerais São Paulo Central America Costa Rica Introduced into Africa East Tropical Africa Kenya Northeast Tropical Africa Chad South Tropical Africa Angola Zimbabwe Southern Africa Cape Provinces Free State KwaZulu-Natal Lesotho Namibia Northern Provinces Antarctic Subantarctic Islands Falkland Is. Tristan da Cunha Australasia Australia Tasmania New Zealand New Zealand North Europe Northern Europe Svalbard Northern America Eastern Canada Newfoundland Prince Edward I. Mexico Mexico Central Mexico Northeast Mexico Northwest Northeastern U.S.A. Masachusettes Pacific North-Central Pacific Hawaii Southern America Brazil Brazil South Brazil Southeast Central America Guatemala Southern South America Argentina Northeast Argentina Northwest Argentina South Chile Central Chile North Chile South Juan Fernández Is. Paraguay Uruguay Western South America Bolivia Colombia Ecuador