| Code | Region | Status | Source |
| AE |
East Aegean Islands |
introduced: adventitious (casual) |
Calculated
|
| AE(G) |
Greek East Aegean Islands |
introduced: adventitious (casual) |
Reference
|
| Ag |
Algeria |
introduced: adventitious (casual) |
Reference
|
| Au |
Austria with Liechtenstein |
introduced: adventitious (casual) |
Reference
|
| Be(B) |
Belgium |
introduced: adventitious (casual) |
Reference
|
| BH |
Bosnia-Herzegovina |
introduced: naturalized |
Reference
|
| Br |
Great Britain |
introduced: adventitious (casual) |
Reference
|
| By |
Belarus |
introduced |
Reference
|
| Ca |
Canary Is. |
introduced |
Calculated
|
| Ca |
Canary Is. |
introduced: adventitious (casual) |
Reference
|
| Ca(C) |
Gran Canaria |
introduced |
Reference
|
| Ca(T) |
Tenerife |
introduced |
Reference
|
| Cg |
Montenegro |
introduced |
Reference
|
| Cg |
Montenegro |
introduced |
Reference
|
| Cr |
Kriti with Karpathos, Kasos & Gavdhos |
introduced: adventitious (casual) |
Reference
|
| Cs |
Czech Republic |
introduced: adventitious (casual) |
Reference
|
| Cy |
Cyprus |
introduced |
Reference
|
| Cy |
Cyprus |
introduced: naturalized |
Reference
|
| Da |
Denmark with Bornholm |
introduced |
Reference
|
| Da |
Denmark with Bornholm |
introduced: adventitious (casual) |
Reference
|
| Eg |
Egypt |
introduced |
Reference
|
| Eg |
Egypt |
introduced |
Reference
|
| Eg |
Egypt |
introduced: naturalized |
Reference
|
| Es |
Estonia |
introduced: adventitious (casual) |
Reference
|
| Fe |
Finland with Ahvenanmaa |
introduced: adventitious (casual) |
Reference
|
| Ga |
France |
introduced |
Reference
|
| Ga |
France |
introduced |
Calculated
|
| Ga(F) |
France |
introduced |
Reference
|
| Ga(F) |
France |
introduced |
Reference
|
| Ge |
Germany |
introduced |
Reference
|
| Ge |
Germany |
introduced: adventitious (casual) |
Reference
|
| Gg |
Georgia |
introduced: adventitious (casual) |
Reference
|
| Gg |
Georgia |
introduced: adventitious (casual) |
Calculated
|
| Gg(D) |
Adzaria |
introduced: adventitious (casual) |
Reference
|
| Gg(G) |
Georgia |
introduced: adventitious (casual) |
Reference
|
| Gr |
Greece |
introduced: doubtfully introduced (perhaps cultivated only) |
Reference
|
| Gr |
Greece |
introduced |
Reference
|
| Gr |
Greece |
introduced |
Reference
|
| Gr |
Greece |
introduced: adventitious (casual) |
Reference
|
| He |
Switzerland |
introduced: naturalized |
Reference
|
| Hs |
Spain |
introduced: naturalized |
Reference
|
| Hu |
Hungary |
cultivated |
Reference
|
| Hu |
Hungary |
introduced: adventitious (casual) |
Reference
|
| IJ |
Israel-Jordan |
introduced: adventitious (casual) |
Calculated
|
| Ir |
Israel |
introduced: adventitious (casual) |
Reference
|
| It |
Italy |
introduced: adventitious (casual) |
Reference
|
| It |
Italy |
introduced: adventitious (casual) |
Reference
|
| It |
Italy |
introduced: naturalized |
Reference
|
| Ju |
Former Jugoslavia |
introduced: naturalized |
Calculated
|
| La |
Latvia |
introduced: adventitious (casual) |
Reference
|
| LS |
Lebanon-Syria |
introduced |
Calculated
|
| Lt |
Lithuania |
introduced: reported in error |
Reference
|
| Lu |
Portugal |
introduced |
Reference
|
| Lu |
Portugal |
introduced: adventitious (casual) |
Reference
|
| Ma |
Morocco |
introduced: adventitious (casual) |
Reference
|
| Md |
Madeira |
introduced |
Calculated
|
| Md |
Madeira |
introduced: adventitious (casual) |
Reference
|
| Md(M) |
Madeira |
introduced |
Reference
|
| Mo |
Moldova |
introduced |
Reference
|
| No |
Norway |
introduced: adventitious (casual) |
Reference
|
| No |
Norway |
introduced: adventitious (casual) |
Reference
|
| Po |
Poland |
introduced |
Reference
|
| Po |
Poland |
introduced: adventitious (casual) |
Reference
|
| Rf |
The Russian Federation |
introduced: adventitious (casual) |
Calculated
|
| Rf(C) |
Central European Russia |
introduced: adventitious (casual) |
Reference
|
| Rf(CS) |
North Caucasus |
introduced: adventitious (casual) |
Reference
|
| Rf(E) |
Eastern European Russia |
introduced: adventitious (casual) |
Reference
|
| Rf(K) |
Kaliningrad |
introduced |
Reference
|
| Rf(S) |
South European Russia |
introduced: adventitious (casual) |
Reference
|
| Rm |
Romania |
introduced: adventitious (casual) |
Reference
|
| Rm |
Romania |
introduced: naturalized |
Reference
|
| Sa |
Sardegna |
introduced: adventitious (casual) |
Reference
|
| Si(M) |
Malta |
introduced |
Reference
|
| Si(M) |
Malta |
introduced: naturalized |
Reference
|
| Si(S) |
Sicily |
introduced |
Reference
|
| Si(S) |
Sicily |
introduced: adventitious (casual) |
Reference
|
| Si(S) |
Sicily |
introduced: naturalized |
Reference
|
| Sk |
Slovakia |
introduced: adventitious (casual) |
Reference
|
| Sl |
Slovenia |
introduced |
Reference
|
| Sn |
Sinai |
introduced |
Reference
|
| Sn |
Sinai |
introduced: naturalized |
Reference
|
| Sr |
Serbia including Kosovo and Vojvodina |
introduced: adventitious (casual) |
Reference
|
| Sr |
Serbia including Kosovo and Vojvodina |
introduced: naturalized |
Reference
|
| Su |
Sweden |
introduced: adventitious (casual) |
Reference
|
| Su |
Sweden |
introduced: naturalized |
Reference
|
| Sy |
Syria |
introduced |
Reference
|
| Tcs |
Transcaucasia (Azerbaijan, Armenia, and Georgia) |
introduced: adventitious (casual) |
Calculated
|
| Tu |
Turkey |
introduced: adventitious (casual) |
Calculated
|
| Tu(A) |
Asiatic Turkey |
introduced: adventitious (casual) |
Reference
|
| Tu(E) |
Turkey-in-Europe |
introduced |
Reference
|
| Uk |
Ukraine |
introduced |
Reference
|
| Uk |
Ukraine |
introduced |
Reference
|
| Uk |
Ukraine |
introduced: adventitious (casual) |
Calculated
|
| Uk(K) |
Crimea |
introduced |
Reference
|
| Uk(K) |
Crimea |
introduced: adventitious (casual) |
Reference
|
| Uk(U) |
Ukraine |
introduced: adventitious (casual) |
Reference
|