Region
Russia (Federation)
13
Siberia
4
Asia, Central
3
Siberia (Russia)
3
Former Soviet republics
2
Russia
2
Soviet Union
2
Altaĭ Mountains Region
1
Altaĭskiĭ kraĭ
1
Asia, Southeastern
1
Belarus
1
Caucasus, Northern
1
Caucasus, Northern (Russia)
1
Kazakhstan
1
Middle East
1
Sakha (Russia)
1
Siberia, Western
1
Siberia, Western (Russia)
1
Tajikistan
1
Volga River Region
1