| Code | Region | Status | Source |
| Au |
Austria with Liechtenstein |
introduced: adventitious (casual) |
Reference
|
| Au(A) |
Austria |
introduced: adventitious (casual) |
Reference
|
| Be(B) |
Belgium |
introduced: adventitious (casual) |
Reference
|
| Br |
Great Britain |
introduced: adventitious (casual) |
Reference
|
| Bu |
Bulgaria |
introduced |
Reference
|
| Bu |
Bulgaria |
introduced: naturalized |
Reference
|
| By |
Belarus |
introduced |
Reference
|
| Cs |
Czech Republic |
introduced: adventitious (casual) |
Reference
|
| Ct |
Croatia |
introduced |
Reference
|
| Da |
Denmark with Bornholm |
introduced: adventitious (casual) |
Reference
|
| Da |
Denmark with Bornholm |
introduced: naturalized |
Reference
|
| Es |
Estonia |
introduced: adventitious (casual) |
Reference
|
| Fe |
Finland with Ahvenanmaa |
introduced: adventitious (casual) |
Reference
|
| Ga |
France |
introduced: naturalized |
Calculated
|
| Ga(F) |
France |
introduced: naturalized |
Reference
|
| Ge |
Germany |
introduced |
Reference
|
| Ge |
Germany |
introduced: adventitious (casual) |
Reference
|
| Ge |
Germany |
introduced: naturalized |
Reference
|
| Hs |
Spain |
introduced: naturalized |
Reference
|
| Hu |
Hungary |
introduced |
Reference
|
| Hu |
Hungary |
introduced: adventitious (casual) |
Reference
|
| Hu |
Hungary |
introduced: naturalized |
Reference
|
| It |
Italy |
introduced |
Reference
|
| It |
Italy |
introduced: adventitious (casual) |
Reference
|
| It |
Italy |
introduced: naturalized |
Reference
|
| Ju |
Former Jugoslavia |
introduced: naturalized |
Calculated
|
| La |
Latvia |
introduced: adventitious (casual) |
Reference
|
| Lt |
Lithuania |
introduced: naturalized |
Reference
|
| Lu |
Portugal |
introduced: naturalized |
Reference
|
| Mk |
The former Jugoslav Republic of Makedonija |
introduced |
Reference
|
| Mo |
Moldova |
introduced |
Reference
|
| Rm |
Romania |
introduced |
Reference
|
| Rm |
Romania |
introduced: naturalized |
Reference
|
| Sa |
Sardegna |
introduced: adventitious (casual) |
Reference
|
| Sk |
Slovakia |
introduced: naturalized |
Reference
|
| Sl |
Slovenia |
introduced |
Reference
|
| Sr |
Serbia including Kosovo and Vojvodina |
introduced |
Reference
|
| Sr |
Serbia including Kosovo and Vojvodina |
introduced: naturalized |
Reference
|
| Su |
Sweden |
introduced: adventitious (casual) |
Reference
|
| Uk |
Ukraine |
introduced |
Reference
|
| Uk |
Ukraine |
introduced: adventitious (casual) |
Calculated
|
| Uk(K) |
Crimea |
introduced: adventitious (casual) |
Reference
|
| Uk(U) |
Ukraine |
introduced |
Reference
|