| china | | sargassum hemiphyllum | species | 2 | 0 |
| china | | sargassum hemiphyllum var. chinense | varietas | 6 | 0 |
| china | shandong | sargassum hemiphyllum var. chinense | varietas | 1 | 0 |
| hong kong | | sargassum hemiphyllum | species | 1 | 0 |
| hong kong | | sargassum hemiphyllum var. chinense | varietas | 2 | 0 |
| japan | | sargassum hemiphyllum | species | 9 | 0 |
| japan | chiba prefecture | sargassum hemiphyllum | species | 1 | 0 |
| japan | nagasaki prefecture | sargassum hemiphyllum | species | 6 | 0 |
| japan | wakayama prefecture | sargassum hemiphyllum | species | 2 | 0 |
| south korea | jeju province | sargassum hemiphyllum | species | 16 | 0 |
| taiwan | | sargassum hemiphyllum var. chinense | varietas | 1 | 0 |
| taiwan | taiwan municipality | sargassum hemiphyllum var. chinense | varietas | 1 | 0 |