| Code | Region | Status | Source |
| Au(A) |
Austria |
native: presence questionable |
Reference
|
| Bu |
Bulgaria |
native |
Reference
|
| Ct |
Croatia |
native |
Reference
|
| EM |
Euro+Med |
endemic for EM |
Reference
|
| Ge |
Germany |
introduced: presence questionable |
Reference
|
| Ge |
Germany |
introduced: adventitious (casual) |
Reference
|
| Gr |
Greece |
native |
Reference
|
| Ho |
Netherlands |
introduced: reported in error |
Reference
|
| Ho |
Netherlands |
introduced: presence questionable |
Reference
|
| Ho |
Netherlands |
introduced: adventitious (casual) |
Reference
|
| Hu |
Hungary |
native |
Reference
|
| It |
Italy |
native: reported in error |
Reference
|
| It |
Italy |
native: presence questionable |
Reference
|
| Ju |
Former Jugoslavia |
native |
Reference
|
| Ju |
Former Jugoslavia |
native |
Calculated
|
| Mk |
The former Jugoslav Republic of Makedonija |
native |
Reference
|
| Mo |
Moldova |
native |
Reference
|
| Po |
Poland |
introduced: adventitious (casual) |
Reference
|
| Po |
Poland |
native: presence questionable |
Reference
|
| Rf |
The Russian Federation |
native |
Reference
|
| Rf |
The Russian Federation |
native |
Calculated
|
| Rf(C) |
Central European Russia |
introduced |
Reference
|
| Rf(C) |
Central European Russia |
native: presence questionable |
Reference
|
| Rf(NW) |
Northwest European Russia |
native: presence questionable |
Reference
|
| Rf(S) |
South European Russia |
native |
Reference
|
| Rm |
Romania |
native |
Reference
|
| Sk |
Slovakia |
native: presence questionable |
Reference
|
| Sk |
Slovakia |
native |
Reference
|
| Sl |
Slovenia |
native: presence questionable |
Reference
|
| Sr |
Serbia including Kosovo and Vojvodina |
native |
Reference
|
| Uk |
Ukraine |
native |
Reference
|
| Uk |
Ukraine |
native |
Calculated
|
| Uk(K) |
Crimea |
native: reported in error |
Reference
|
| Uk(K) |
Crimea |
native |
Reference
|
| Uk(U) |
Ukraine |
native |
Reference
|