Year / Period | From | To | Established | Ecological effects |
---|---|---|---|---|
1800 - 1899 | China | West coast | unknown | yes |
1800 - 1899 | China | Continental USA | unknown | yes |
1900 - 1920 | Southeast Asia | Canada | yes | yes |
1900 - 1920 | Southeast Asia | United States of America | yes | yes |
1980 - 1989 | unknown | France | probably yes | probably yes |
1840 - 1960 | unknown | United States of America | yes | unknown |
1960 | Korea | Argentina | yes | probably yes |
1985 | United States of America | Mexico | yes | unknown |
1988 | Not specified | Netherlands | yes | unknown |
1998 | Unknown | Cayey River near Cayey, Loiza Drainage | unknown | yes |