| china | shandong | alexandrium pseudogoniaulax | species | 5 | 0 |
| italy | | alexandrium pseudogoniaulax | species | 1 | 0 |
| japan | | alexandrium pseudogoniaulax | species | 4 | 0 |
| japan | kagawa prefecture | alexandrium pseudogoniaulax | species | 2 | 0 |
| new zealand | | alexandrium pseudogoniaulax | species | 1 | 0 |
| tunisia | bizerte governorate | alexandrium pseudogoniaulax | species | 1 | 0 |