| octaviania japonimontana | | Japan: Akita Pref. | | 395629346 |
| octaviania japonimontana | | japan: akita prefecture | | 1933883651 |
| octaviania japonimontana | quercus mongolica subsp. crispula | Japan: Akita Pref. | Quercus crispula | 361671972 |
| octaviania japonimontana | quercus mongolica subsp. crispula | Japan: Akita Pref. | Quercus crispula | 344330900 |