[n = 7]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Unknown | British Columbia | unknown | |
| unknown | Unknown | Iran | established | unknown |
| 1983 - 1984 | North America | Germany | established | probably none |
| 2000 - 2006 | North America | UK | established | unknown |
| 1957 | USA | Puerto Rico | established | |
| 1980 | North America | France | established | probably none |
| 1984 | North America | Belgium | established | probably none |