| Code | Region | Status | Source |
| Ag |
Algeria |
introduced: adventitious (casual) |
Reference
|
| Ag |
Algeria |
introduced: naturalized |
Reference
|
| Al |
Albania |
introduced: adventitious (casual) |
Reference
|
| Au |
Austria with Liechtenstein |
introduced |
Reference
|
| Au(A) |
Austria |
native: formerly native |
Reference
|
| Au(L) |
Liechtenstein |
native: formerly native |
Reference
|
| Be(B) |
Belgium |
native: formerly native |
Reference
|
| Be(L) |
Luxembourg |
native: formerly native |
Reference
|
| Bu |
Bulgaria |
introduced |
Reference
|
| Bu |
Bulgaria |
introduced: naturalized |
Reference
|
| By |
Belarus |
introduced |
Reference
|
| Ca |
Canary Is. |
introduced: adventitious (casual) |
Reference
|
| Co |
Corse |
introduced: naturalized |
Reference
|
| Cs |
Czech Republic |
introduced |
Reference
|
| Cy |
Cyprus |
introduced: presence questionable |
Reference
|
| Eg |
Egypt |
introduced: adventitious (casual) |
Reference
|
| Eg |
Egypt |
introduced: naturalized |
Reference
|
| Es |
Estonia |
introduced |
Reference
|
| Fe |
Finland with Ahvenanmaa |
introduced |
Reference
|
| Ga |
France |
introduced: naturalized |
Calculated
|
| Ga(F) |
France |
introduced: naturalized |
Reference
|
| Ge |
Germany |
introduced |
Reference
|
| He |
Switzerland |
introduced |
Reference
|
| He |
Switzerland |
native: formerly native |
Reference
|
| Ho |
Netherlands |
introduced |
Reference
|
| Hs |
Spain |
introduced |
Calculated
|
| Hs |
Spain |
introduced: naturalized |
Reference
|
| Hs(S) |
Spain |
introduced |
Reference
|
| Hu |
Hungary |
introduced |
Reference
|
| IJ |
Israel-Jordan |
introduced |
Calculated
|
| IJ |
Israel-Jordan |
introduced: adventitious (casual) |
Reference
|
| Ir |
Israel |
introduced |
Reference
|
| It |
Italy |
introduced: naturalized |
Reference
|
| Jo |
Jordan |
introduced |
Reference
|
| Ju |
Former Jugoslavia |
introduced: naturalized |
Reference
|
| La |
Latvia |
introduced |
Reference
|
| Lt |
Lithuania |
introduced |
Reference
|
| Lu |
Portugal |
introduced: naturalized |
Reference
|
| Ma |
Morocco |
introduced: adventitious (casual) |
Reference
|
| Mo |
Moldova |
introduced |
Reference
|
| No |
Norway |
introduced |
Reference
|
| Po |
Poland |
introduced |
Reference
|
| Rf |
The Russian Federation |
introduced |
Calculated
|
| Rf(C) |
Central European Russia |
introduced |
Reference
|
| Rf(E) |
Eastern European Russia |
introduced |
Reference
|
| Rf(K) |
Kaliningrad |
introduced |
Reference
|
| Rf(N) |
Northern European Russia |
introduced |
Reference
|
| Rf(NW) |
Northwest European Russia |
introduced |
Reference
|
| Rf(S) |
South European Russia |
introduced |
Reference
|
| Rm |
Romania |
introduced |
Reference
|
| Sa |
Sardegna |
introduced: naturalized |
Reference
|
| Sa |
Sardegna |
introduced: naturalized |
Reference
|
| Si(S) |
Sicily |
introduced |
Reference
|
| Si(S) |
Sicily |
introduced: naturalized |
Reference
|
| Sk |
Slovakia |
introduced |
Reference
|
| Su |
Sweden |
introduced |
Reference
|
| Uk |
Ukraine |
introduced |
Reference
|
| Uk |
Ukraine |
introduced |
Calculated
|
| Uk(K) |
Crimea |
introduced: reported in error |
Reference
|
| Uk(K) |
Crimea |
introduced |
Reference
|
| Uk(U) |
Ukraine |
introduced |
Reference
|