[n = 8]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| 1950-1974 | USA | Puerto Rico | established | |
| unknown | Unknown | Canada | unknown | |
| unknown | Unknown | Colombia | established | |
| unknown | Unknown | Philippines | unknown | |
| unknown | Unknown | Singapore | established | |
| unknown | India | USA | not established | |
| 1967 | Unknown | Mexico | established | |
| 1970 | Unknown | Australia | not established |