| japan | | hamamelis japonica f. obtusata | forma | 1 | 0 |
| japan | akita prefecture | hamamelis japonica f. obtusata | forma | 4 | 0 |
| japan | fukushima prefecture | hamamelis japonica f. obtusata | forma | 1 | 0 |
| japan | gifu prefecture | hamamelis japonica f. obtusata | forma | 2 | 0 |
| japan | iwate prefecture | hamamelis japonica f. obtusata | forma | 3 | 0 |
| japan | niigata prefecture | hamamelis japonica f. obtusata | forma | 2 | 0 |
| japan | shiga prefecture | hamamelis japonica f. obtusata | forma | 4 | 0 |
| japan | yamagata prefecture | hamamelis japonica f. obtusata | forma | 1 | 0 |