| Occurrence: |
| Code | Region | Status | Source |
| Cz |
Former Czechoslovakia |
native |
Reference
|
| Ga |
France |
introduced |
Calculated
|
| Ga(F) |
France |
introduced |
Reference
|
| Gg |
Georgia |
native |
Calculated
|
| Gg |
Georgia |
native |
Reference
|
| Gg(G) |
Georgia |
native |
Reference
|
| Hu |
Hungary |
native |
Reference
|
| Ju |
Former Jugoslavia |
native |
Reference
|
| Rf |
The Russian Federation |
native |
Calculated
|
| Rf(CS) |
North Caucasus |
native |
Reference
|
| Rm |
Romania |
native |
Reference
|
| Tcs |
Transcaucasia (Azerbaijan, Armenia, and Georgia) |
native |
Calculated
|
| Uk |
Ukraine |
native |
Calculated
|
| Uk |
Ukraine |
native |
Reference
|
| Uk(U) |
Ukraine |
native |
Reference
|
|