| Code | Region | Status | Source |
| Au(A) |
Austria |
introduced |
Reference
|
| Be |
Belgium with Luxembourg |
introduced: naturalized |
Reference
|
| Be(B) |
Belgium |
introduced: naturalized |
Reference
|
| Br |
Great Britain |
introduced |
Reference
|
| By |
Belarus |
introduced |
Reference
|
| Cs |
Czech Republic |
introduced |
Reference
|
| Da |
Denmark with Bornholm |
introduced: adventitious (casual) |
Reference
|
| Es |
Estonia |
introduced: adventitious (casual) |
Reference
|
| Fe |
Finland with Ahvenanmaa |
introduced: adventitious (casual) |
Reference
|
| Ga |
France |
native |
Reference
|
| Ga |
France |
native |
Calculated
|
| Ga(F) |
France |
native |
Reference
|
| Ga(F) |
France |
native |
Reference
|
| Ge |
Germany |
introduced |
Reference
|
| Ge |
Germany |
introduced: naturalized |
Reference
|
| Ho |
Netherlands |
introduced: naturalized |
Reference
|
| Hs |
Spain |
introduced: adventitious (casual) |
Reference
|
| Hu |
Hungary |
native |
Reference
|
| It |
Italy |
native |
Reference
|
| La |
Latvia |
introduced |
Reference
|
| La |
Latvia |
introduced: adventitious (casual) |
Reference
|
| La |
Latvia |
introduced: naturalized |
Reference
|
| La |
Latvia |
native |
Reference
|
| Lt |
Lithuania |
introduced |
Reference
|
| Lt |
Lithuania |
introduced: naturalized |
Reference
|
| Lt |
Lithuania |
native |
Reference
|
| Po |
Poland |
native: doubtfully native |
Reference
|
| Po |
Poland |
native |
Reference
|
| Rf |
The Russian Federation |
native |
Calculated
|
| Rf(C) |
Central European Russia |
introduced |
Reference
|
| Rf(C) |
Central European Russia |
introduced |
Reference
|
| Rf(C) |
Central European Russia |
introduced |
Reference
|
| Rf(E) |
Eastern European Russia |
introduced |
Reference
|
| Rf(E) |
Eastern European Russia |
native |
Reference
|
| Rf(K) |
Kaliningrad |
native |
Reference
|
| Rf(N) |
Northern European Russia |
introduced: adventitious (casual) |
Reference
|
| Rf(N) |
Northern European Russia |
native: reported in error |
Reference
|
| Rf(NW) |
Northwest European Russia |
introduced |
Reference
|
| Rf(NW) |
Northwest European Russia |
introduced |
Reference
|
| Rf(S) |
South European Russia |
native |
Reference
|
| Si |
Sicily with Malta |
native |
Reference
|
| Si(S) |
Sicily |
native: formerly native |
Reference
|
| Si(S) |
Sicily |
native |
Reference
|
| Sk |
Slovakia |
introduced |
Reference
|
| Sk |
Slovakia |
introduced: naturalized |
Reference
|
| Su |
Sweden |
introduced: naturalized |
Reference
|
| Uk |
Ukraine |
introduced |
Calculated
|
| Uk(U) |
Ukraine |
introduced |
Reference
|
| Uk(U) |
Ukraine |
introduced |
Reference
|
| Uk(U) |
Ukraine |
introduced |
Reference
|