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Asia-Temperate Caucasus North Caucasus Transcaucasus Mongolia Mongolia Siberia Altay Krasnoyarsk West Siberia Western Asia Lebanon-Syria Turkey Europe Eastern Europe Baltic States Belarus Central European Russia East European Russia Krym South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Great Britain Southeastern Europe Albania Bulgaria Greece Italy Romania Sicilia (Doubtful) Turkey-in-Europe Yugoslavia Southwestern Europe Corse France Sardegna Spain Introduced into Africa Northern Africa Algeria Morocco Southern Africa Cape Provinces Free State KwaZulu-Natal Northern Provinces Asia-Temperate Middle Asia Kazakhstan Kirgizistan Tadzhikistan Uzbekistan Russian Far East Primorye Siberia Buryatiya Irkutsk Yakutskiya Asia-Tropical Indo-China Laos Myanmar Australasia Australia Tasmania Europe Eastern Europe North European Russia Northern Europe Denmark Finland Ireland Norway Sweden Southwestern Europe Portugal Northern America Eastern Canada Labrador New Brunswick Newfoundland Nova Scotia Ontario Prince Edward I. 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 Masachusettes 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. Arkansas Delaware District of Columbia Kentucky Louisiana Maryland North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Nevada Utah Subarctic America Alaska Aleutian Is. Northwest Territories Yukon Western Canada Alberta British Columbia Manitoba Saskatchewan Pacific Northwestern Pacific Marianas Southern America Caribbean Cuba Dominican Republic Haiti Jamaica Southern South America Argentina Northeast Argentina Northwest Argentina South Chile Central Chile South Uruguay Western South America Bolivia Ecuador Peru