| Code | Region | Status | Source |
| Ab |
Azerbaijan |
native |
Calculated
|
| Ab(A) |
Azerbaijan |
native |
Reference
|
| Ab(N) |
Nakhichevan |
native |
Reference
|
| AE |
East Aegean Islands |
native |
Calculated
|
| AE(G) |
Greek East Aegean Islands |
native |
Reference
|
| Al |
Albania |
native |
Reference
|
| Ar |
Armenia |
native |
Reference
|
| Bu |
Bulgaria |
native |
Reference
|
| Co |
Corse |
native: reported in error |
Reference
|
| Cr |
Kriti with Karpathos, Kasos & Gavdhos |
native |
Reference
|
| Ct |
Croatia |
native |
Reference
|
| Cy |
Cyprus |
native |
Reference
|
| Ga |
France |
native |
Calculated
|
| Ga(F) |
France |
native |
Reference
|
| Gg |
Georgia |
native |
Reference
|
| Gr |
Greece |
native |
Reference
|
| He |
Switzerland |
introduced: adventitious (casual) |
Reference
|
| Hs |
Spain |
native: presence questionable |
Reference
|
| Hs |
Spain |
native: presence questionable |
Calculated
|
| Hs(A) |
Andorra |
native: presence questionable |
Reference
|
| Hs(S) |
Spain |
native: presence questionable |
Reference
|
| IJ |
Israel-Jordan |
native |
Calculated
|
| Ir |
Israel |
native |
Reference
|
| It |
Italy |
native: reported in error |
Reference
|
| Ju |
Former Jugoslavia |
native |
Reference
|
| Ju |
Former Jugoslavia |
native |
Calculated
|
| Mk |
The former Jugoslav Republic of Makedonija |
native |
Reference
|
| Rf |
The Russian Federation |
native |
Calculated
|
| Rf(CS) |
North Caucasus |
native |
Reference
|
| Sy |
Syria |
native: reported in error |
Reference
|
| Tcs |
Transcaucasia (Azerbaijan, Armenia, and Georgia) |
native |
Calculated
|
| Tu |
Turkey |
native |
Calculated
|
| Tu(A) |
Asiatic Turkey |
native |
Reference
|
| Tu(E) |
Turkey-in-Europe |
native |
Reference
|
| Uk |
Ukraine |
native |
Reference
|
| Uk |
Ukraine |
native |
Calculated
|
| Uk(K) |
Crimea |
native |
Reference
|