| Northern Europe | Denmark, Finland, Føroyar, Great Britain, Ireland, Norway, Sweden |
| Middle Europe | Austria, Belgium, Czechoslovakia, Germany, Hungary, Netherlands, Poland, Switzerland |
| Southwestern Europe | France |
| Southeastern Europe | Bulgaria, Italy, Romania, Yugoslavia |
| Eastern Europe | Belarus, Baltic States, Central European Russia, East European Russia, North European Russia, South European Russia, Northwest European Russia, Ukraine |
| Siberia | Buryatiya, Chita, Irkutsk, West Siberia |
| Russian Far East | Kamchatka, Khabarovsk, Kuril Is., Sakhalin |
| Eastern Asia | Japan |
| Subarctic America | Alaska, Northwest Territories, Yukon |
| Western Canada | Alberta, British Columbia, Manitoba, Saskatchewan |
| Eastern Canada | Ontario |
| North-Central U.S.A. | Minnesota |