地理区分
Soviet Union
17
Russia (Federation)
13
India
4
Russia
4
Bulgaria
3
Russian Far East
3
Indonesia
2
Luxembourg
2
Siberia
2
Sweden
2
Ukraine
2
Asia, Central
1
Asia, Southeastern
1
Balat (Aydın İli)
1
Balat (Aydın İli, Turkey)
1
Bangladesh
1
Biomasse des sols
1
Bur︠i︡ati︠i︡a
1
Egypt
1
Italy
1
Japan
1
Kazakhstan
1
Kyrgyzstan
1
Moldova
1
Murmanska︠i︡a oblastʹ
1
Pakistan
1
Poland
1
Redange-sur-Attert area (Luxembourg)
1
Romania
1
Sri Lanka
1
Suède
1
Turkey
1
Volga-Ural Region
1