[n = 19]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Unknown | Switzerland | established | |
| unknown | Unknown | Netherlands | established | some |
| unknown | Unknown | Kyrgyzstan | established | |
| unknown | Unknown | Germany | unknown | |
| unknown | Unknown | France | established | some |
| unknown | Unknown | Denmark | established | |
| unknown | Unknown | Austria | established | probably some |
| 1930 - 1933 | Unknown | Poland | established | some |
| 1950 - 1959 | unknown | Uzbekistan (Syr Darya basin) | established | probably none |
| 1990 - 1999 | Unknown | Turkey | established | |
| 1600 - 1699 | Unknown | Lithuania | established | some |
| 1750 | Asia | Flanders | established | some |
| 1930 | USSR | Japan | not established | |
| 1948 | Unknown | Estonia | established | probably some |
| 1948 | Russia | Belarus | established | |
| 1972 | Hungary | Slovakia | established | some |
| 1972 | Hungary | Czech | established | some |
| 1981 | Unknown | Israel | probably established | |
| 2005 | Unknown | Finland | established | unknown |