[n = 13]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | unknown | Turkey | established | unknown |
| unknown | Unknown | Spain | probably established | unknown |
| unknown | Unknown | Azores Is | established | unknown |
| unknown | Unknown | Portugal | established | |
| 1700 - 1799 | England | Ireland | established | some |
| 1970 - 1979 | Unknown | Xinjiang | established | some |
| 1860 | Unknown | Italy | established | |
| 1862 | UK | Tasmania and Victoria, Australia | established | some |
| 1867 | Tasmania, Australia | New Zealand | established | |
| 1915 | UK | South Africa | established | |
| 1939 | Switzerland | Morocco | established | |
| 1971 | UK | Cyprus | established | |
| 2006 | Unknown | Ain Zada dam | not established |