[n = 40]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| 1900-1924 | Germany | Hungary | established | |
| unknown | Unknown | Serbia, formerly Yugoslavia | established | some |
| unknown | Unknown | Greece | established | |
| unknown | Unknown | Georgia (Former USSR) | established | |
| unknown | Unknown | Estonia | unknown | |
| unknown | Unknown | Croatia | established | |
| unknown | France | Congo | probably established | |
| unknown | Unknown | Chile | probably established | some |
| unknown | Columbia River | British Columbia | established | unknown |
| unknown | Unknown | Latvia | unknown | |
| unknown | Unknown | Lithuania | unknown | |
| unknown | Unknown | Moldova | unknown | |
| unknown | Unknown | Russian Fed. | unknown | unknown |
| unknown | Unknown | Slovenia | established | |
| unknown | Unknown | Switzerland | established | some |
| unknown | Unknown | Turkey | established | |
| unknown | Unknown | Ukraine | established | |
| unknown | Unknown | Macedonia | established | |
| unknown | Unknown | Venezuela | unknown | |
| unknown | Unknown | Belarus | established | |
| unknown | Unknown | Brazil | established | |
| unknown | Unknown | Bosnia | established | |
| unknown | Unknown | Austria | established | probably some |
| 1910 - 1913 | USA | Spain | established | |
| 1910 - 1913 | France | Tell | not established | |
| 1970 - 1979 | Unknown | Portugal | established | probably some |
| 1877 | USA | France | established | some |
| 1881 | USA | Germany | established | some |
| 1885 | USA | Belgium | established | some |
| 1900 | USA | Italy | established | some |
| 1903 | USA | Netherlands | established | |
| 1915 | Unknown | UK | established | unknown |
| 1920 | Unknown | Bulgaria | established | |
| 1920 | Western Europe | Romania | established | probably none |
| 1927 | Unknown | Poland | established | probably some |
| 1929 | Yugoslavia | Czech Republic | established | no data |
| 1929 | Yugoslavia | Slovakia | established | |
| 1929 | United States of America | Cuba | established | no data |
| 1955 | USA | Morocco | established | |
| 1960 | USA | Guatemala | established |