| Code | Region | Status | Source |
| AE |
East Aegean Islands |
native |
Calculated
|
| AE(G) |
Greek East Aegean Islands |
native |
Reference
|
| Ag |
Algeria |
native |
Reference
|
| Ag |
Algeria |
native |
Calculated
|
| Al |
Albania |
native |
Reference
|
| Au |
Austria with Liechtenstein |
native: formerly native |
Reference
|
| Au(A) |
Austria |
introduced: adventitious (casual) |
Reference
|
| Be |
Belgium with Luxembourg |
native |
Reference
|
| Be(B) |
Belgium |
native |
Reference
|
| Be(B) |
Belgium |
native |
Reference
|
| BH |
Bosnia-Herzegovina |
native |
Reference
|
| BH |
Bosnia-Herzegovina |
native |
Reference
|
| Bu |
Bulgaria |
native |
Reference
|
| Bu |
Bulgaria |
native |
Reference
|
| Cg |
Montenegro |
native |
Reference
|
| Cs |
Czech Republic |
introduced: adventitious (casual) |
Reference
|
| Ct |
Croatia |
native |
Reference
|
| Ct |
Croatia |
native |
Reference
|
| EM |
Euro+Med |
endemic for EM |
Reference
|
| Ga |
France |
native |
Calculated
|
| Ga(F) |
France |
native |
Reference
|
| Gr |
Greece |
native |
Reference
|
| Hs |
Spain |
native |
Reference
|
| Hs |
Spain |
native |
Calculated
|
| Hs |
Spain |
native |
Calculated
|
| Hs(A) |
Andorra |
native |
Reference
|
| Hs(S) |
Spain |
native |
Reference
|
| Hu |
Hungary |
native |
Reference
|
| It |
Italy |
native |
Reference
|
| Ju |
Former Jugoslavia |
native |
Reference
|
| Ju |
Former Jugoslavia |
native |
Calculated
|
| Ma |
Morocco |
native |
Reference
|
| Ma |
Morocco |
native |
Calculated
|
| Mk |
The former Jugoslav Republic of Makedonija |
native |
Reference
|
| Mk |
The former Jugoslav Republic of Makedonija |
native |
Reference
|
| Rm |
Romania |
native |
Reference
|
| Si |
Sicily with Malta |
native |
Reference
|
| Si(M) |
Malta |
introduced: adventitious (casual) |
Reference
|
| Si(S) |
Sicily |
native |
Reference
|
| Sk |
Slovakia |
native: presence questionable |
Reference
|
| Sl |
Slovenia |
native |
Reference
|
| Sr |
Serbia including Kosovo and Vojvodina |
native |
Reference
|
| Sr |
Serbia including Kosovo and Vojvodina |
native |
Reference
|