| Occurrence: |
| Code | Region | Status | Source |
| Br |
Great Britain |
introduced |
Reference
|
| Bu |
Bulgaria |
native |
Reference
|
| EM |
Euro+Med |
endemic for EM |
Reference
|
| Ga |
France |
introduced |
Calculated
|
| Ga(C) |
Channel Is. |
introduced |
Reference
|
| He |
Switzerland |
introduced |
Reference
|
| Hs |
Spain |
introduced |
Calculated
|
| Hs(S) |
Spain |
introduced |
Reference
|
| It |
Italy |
introduced |
Reference
|
| Ju |
Former Jugoslavia |
native: doubtfully native |
Reference
|
| Sa |
Sardegna |
introduced |
Reference
|
| Si(S) |
Sicily |
introduced |
Reference
|
|