| china | | pyropia yezoensis | species | 46 | 0 |
| china | beijing | pyropia yezoensis | species | 0 | 1 |
| china | jiangsu | pyropia yezoensis | species | 4 | 0 |
| china | jiangsu | pyropia yezoensis f. yezoensis | forma | 1 | 0 |
| china | liaoning | pyropia yezoensis | species | 3 | 0 |
| china | shandong | pyropia yezoensis | species | 52 | 0 |
| china | zhejiang | pyropia yezoensis | species | 11 | 0 |
| japan | | pyropia yezoensis | species | 7 | 0 |
| japan | | pyropia yezoensis f. narawaensis | forma | 1 | 0 |
| japan | aichi prefecture | pyropia yezoensis | species | 17 | 0 |
| japan | chiba prefecture | pyropia yezoensis | species | 11 | 0 |
| japan | chiba prefecture | pyropia yezoensis f. narawaensis | forma | 1 | 0 |
| japan | fukuoka prefecture | pyropia yezoensis | species | 4 | 0 |
| japan | fukushima prefecture | pyropia yezoensis | species | 2 | 0 |
| japan | hiroshima prefecture | pyropia yezoensis | species | 1 | 0 |
| japan | hokkaido prefecture | pyropia yezoensis | species | 92 | 0 |
| japan | kanagawa prefecture | pyropia yezoensis | species | 2 | 0 |
| japan | kumamoto prefecture | pyropia yezoensis | species | 3 | 0 |
| japan | mie prefecture | pyropia yezoensis | species | 2 | 0 |
| japan | miyagi ken prefecture | pyropia yezoensis | species | 14 | 0 |
| japan | miyazaki prefecture | pyropia yezoensis | species | 4 | 0 |
| japan | saga prefecture | pyropia yezoensis | species | 4 | 0 |
| japan | yamaguchi prefecture | pyropia yezoensis | species | 2 | 0 |
| south korea | | pyropia yezoensis | species | 8 | 0 |
| south korea | gangwon province | pyropia yezoensis | species | 8 | 0 |
| south korea | jeju province | pyropia yezoensis | species | 2 | 0 |
| south korea | north gyeongsang province | pyropia yezoensis | species | 1 | 0 |
| south korea | south gyeongsang province | pyropia yezoensis | species | 2 | 0 |
| united states | connecticut | pyropia yezoensis f. narawaensis | forma | 11 | 0 |
| united states | connecticut | pyropia yezoensis f. yezoensis | forma | 12 | 0 |
| united states | maine | pyropia yezoensis | species | 24 | 0 |
| united states | maine | pyropia yezoensis f. yezoensis | forma | 26107 | 0 |
| united states | massachusetts | pyropia yezoensis f. narawaensis | forma | 1 | 0 |
| united states | massachusetts | pyropia yezoensis f. yezoensis | forma | 40 | 0 |
| united states | new hampshire | pyropia yezoensis f. yezoensis | forma | 12 | 0 |
| united states | new york | pyropia yezoensis f. yezoensis | forma | 9 | 0 |
| united states | rhode island | pyropia yezoensis f. narawaensis | forma | 18 | 0 |
| united states | texas | pyropia yezoensis | species | 661 | 0 |