| Species | Recipient region | Date of the first record | |
|---|
| Undaria pinnatifida | France / Western Mediterranean | 1971 |  |
| Undaria pinnatifida | France / Celtic seas | 1983 | |
| Undaria pinnatifida | United Kingdom (Britain) / English Channel | 1994 | |
| Undaria pinnatifida | Netherlands | 1999 | |
| Undaria pinnatifida | Belgium | 1999 | |
| Undaria pinnatifida | Italy / Adriatic Sea | 1992 | |
| Undaria pinnatifida | Italy / Central Mediterranean | 1998 | |
| Undaria pinnatifida | United Kingdom (Britain) / Celtic seas / Channel Islands | 1990 - 1999 | |
| Undaria pinnatifida | France / Biscay Gulf | 1983 | |
| Undaria pinnatifida | Spain / Iberian Coastal | 1988 | |
| Undaria pinnatifida | Portugal / Iberian Coastal | To 2007 | |
| Undaria pinnatifida | United Kingdom (Britain) / North Sea | 2009 | |
| Undaria pinnatifida | France / English Channel | 1983 | |
| Undaria pinnatifida | Ireland | 2012 | |
| Undaria pinnatifida | New Zealand / New Zealand Shelf / North Island | To 1987 | |
| Undaria pinnatifida | New Zealand / New Zealand Shelf / South Island | To 1990 | |
| Undaria pinnatifida | Germany / North Sea | 2016 | |
| Undaria pinnatifida | France / North Sea | 1986 | |
| Undaria pinnatifida | Australia / Bass strait | 1996 | |
