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Asia-Temperate Caucasus North Caucasus Transcaucasus Western Asia Turkey 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 Great Britain Ireland Norway Sweden Southeastern Europe Bulgaria Italy Romania Yugoslavia Southwestern Europe Corse France Spain Introduced into Africa Northern Africa Algeria Asia-Temperate Russian Far East Primorye Western Asia Iran Europe Northern Europe Ireland Northern America Eastern Canada New Brunswick Nova Scotia Ontario Québec North-Central U.S.A. Illinois Minnesota Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Jersey New York Ohio Pennsylvania Rhode I. West Virginia Northwestern U.S.A. Idaho Southeastern U.S.A. Alabama Delaware Kentucky