| Year / Period | From | To | Established | Ecological effects |
|---|---|---|---|---|
| unknown | Sweden | Denmark | yes | unknown |
| unknown | United States of America and Sweden | Germany | yes | unknown |
| unknown | unknown | Lithuania | probably yes | unknown |
| 1970 - 1979 | Not specified | Belgium | ||
| 1967 - 1969 | USA and Sweden | Finland | yes | probably yes |
| 1970 - 1979 | Sweden | Greece | ||
| 1970 - 1979 | Not specified | Luxembourg | ||
| 1980 - 1989 | North America. | Inland waters. | unknown | unknown |
| 1980 - 1989 | Sweden | Spain | probably yes | probably no |
| 1909 | United States of America | Japan | probably yes | unknown |
| 1960 | United States of America | Sweden | yes | probably no |
| 1969 | USA and Sweden | Austria | yes | probably yes |
| 1972 | Sweden | Poland | probably yes | unknown |
| 1972 | Not specified | USSR, Former Area of | ||
| 1973 | Sweden and USA | France | yes | probably yes |
| 1976 | Sweden and USA | United Kingdom | yes | yes |
| 1978 | Sweden | Cyprus |