| Occurrence: |
| Code | Region | Status | Source |
| Ab |
Azerbaijan |
native |
Calculated
|
| Ab(A) |
Azerbaijan |
native |
Calculated
|
| Ar |
Armenia |
introduced |
Calculated
|
| Au(A) |
Austria |
introduced |
Calculated
|
| Bu |
Bulgaria |
introduced |
Calculated
|
| By |
Belarus |
introduced |
Calculated
|
| Co |
Corse |
native: doubtfully native |
Calculated
|
| Cr |
Kriti with Karpathos, Kasos & Gavdhos |
introduced |
Calculated
|
| Cz |
Former Czechoslovakia |
introduced |
Calculated
|
| Ga |
France |
introduced |
Calculated
|
| Ga(F) |
France |
introduced |
Calculated
|
| Ge |
Germany |
introduced |
Calculated
|
| Gg |
Georgia |
introduced |
Calculated
|
| Gg(A) |
Abkhazia |
introduced |
Calculated
|
| Gg(D) |
Adzaria |
introduced |
Calculated
|
| Gg(G) |
Georgia |
introduced |
Calculated
|
| Hs |
Spain |
introduced |
Calculated
|
| Hs(S) |
Spain |
introduced |
Calculated
|
| It |
Italy |
introduced |
Calculated
|
| Lu |
Portugal |
introduced |
Calculated
|
| Mo |
Moldova |
introduced |
Calculated
|
| Rf |
The Russian Federation |
introduced |
Calculated
|
| Rf(C) |
Central European Russia |
introduced |
Calculated
|
| Rf(CS) |
North Caucasus |
introduced |
Calculated
|
| Rf(K) |
Kaliningrad |
introduced |
Calculated
|
| Rf(S) |
South European Russia |
introduced |
Calculated
|
| Rm |
Romania |
introduced |
Calculated
|
| Si(S) |
Sicily |
introduced |
Calculated
|
| Tcs |
Transcaucasia (Azerbaijan, Armenia, and Georgia) |
native |
Calculated
|
| Uk |
Ukraine |
introduced |
Calculated
|
| Uk(K) |
Crimea |
introduced |
Calculated
|
| Uk(U) |
Ukraine |
introduced |
Calculated
|
|