| Northern Europe | Denmark, Finland, Great Britain, Ireland, Norway, Sweden |
| Middle Europe | Austria, Belgium, Czechoslovakia, Germany, Hungary, Netherlands, Poland, Switzerland |
| Southwestern Europe | Baleares, Corse, France, Portugal, Sardegna, Spain |
| Southeastern Europe | Albania, Bulgaria, Greece, Italy, Romania, Sicilia, Turkey-in-Europe, Yugoslavia |
| Eastern Europe | Belarus, Baltic States, Krym, Central European Russia, East European Russia, South European Russia, Ukraine |
| Northern Africa | Algeria, Morocco, Tunisia |
| Siberia | West Siberia |
| Middle Asia | Kazakhstan, Kirgizstan, Uzbekistan |
| Caucasus | North Caucasus, Transcaucasus |
| Western Asia | Afghanistan, East Aegean Is., Iran, Lebanon-Syria, Palestine, Turkey |
| China | China South-Central, China North-Central, China Southeast, Tibet |
| Eastern Asia | Japan, Taiwan |
| Indian Subcontinent | Assam, East Himalaya, Nepal, Pakistan, West Himalaya |