[n = 55]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| 19th century | Scotland | Newfoundland | established | some |
| unknown | Unknown | Jordan River | not established | |
| Unknown | Unknown | Lesotho | Probably Yes | |
| unknown | Unknown | Panama | established | |
| unknown | Unknown | Kerguelen Is. | established | unknown |
| unknown | Unknown | Croatia | established | some |
| unknown | unknown | Turkey | established | unknown |
| unknown | France | Ghrib dam | not established | |
| Unknown | Unknown | Tanzania | Unknown | |
| 1905 - 1906 | United Kingdom | Canada (Newfoundland) | established | probably some |
| 1930 - 1939 | India (possibly) | Bhutan | established | |
| 1932 - 1934 | Wisconsin and Montana | British Columbia | established | |
| 1930 - 1939 | Unknown | Japan | established | unknown |
| 1970 - 1979 | Sweden (Dahl river) | Finland | probably established | probably some |
| 1864 | UK | Australia | established | some |
| 1867 | Italy | New Zealand | established | probably some |
| 1867 | Australia | New Zealand | established | probably some |
| 1867 | UK | New Zealand | established | probably some |
| 1882 | Europe | Sri Lanka | probably not established | unknown |
| 1883 | Germany | USA | established | |
| 1884 | Scotland | Canada | established | |
| 1890 | New York, USA | Quebec | probably established | none |
| 1890 | UK Scotland | South Africa | Yes | |
| 1892 | Germany | Canada (Newfoundland) | established | probably some |
| 1892 | UK | Colombia | not established | |
| 1900 | USA | Japan | established | unknown |
| 1900 | UK | India | established | unknown |
| 1904 | United States of America | Argentina | established | unknown |
| 1905 | Europe | Chile | established | |
| 1906 | UK | Pakistan | established | unknown |
| 1906 | England | Malawi | probably not established | unknown |
| 1906 | South Africa | Malawi | probably not established | unknown |
| 1909 | England | Argentina | established | |
| 1914 | South Africa | Swaziland | Probably no | |
| 1920 | New Zealand | Fiji | not established | |
| 1921 | New Hampshire | Nova Scotia | established | some |
| 1921 | UK | Kenya | Yes | |
| 1922 | Denmark | Netherlands | not established | |
| 1926 | France | Madagascar | Unknown | |
| 1927 | South Africa | Zimbabwe | established | |
| 1928 | Chile | Peru | established | |
| 1934 | Unknown | Puerto Rico | not established | |
| 1935 | USA | Hawaii | not established | |
| 1939 | USA | Bolivia | established | some |
| 1949 | Australia | Papua New Guinea | established | |
| 1950 | Chile | Ecuador | unknown | |
| 1953 | France | Morocco | ||
| 1953 | Yugoslavia | Morocco | not established | |
| 1955 | UK | Falkland Islands (Malvinas) | established | probably some |
| 1959 | France | Kerguelen Is. | established | probably some |
| 1967 | Kenya | Ethiopia | Yes | |
| 1970 | USA | Cyprus | probably established | |
| 1972 | UK | Nepal | not established | unknown |
| 1975 | Unknown | Shiraz | probably established | probably some |
| 1982 | Denmark | Jordan River | not established |