| japan | ehime prefecture | rhytidiadelphus japonicus | species | 1 | 0 |
| russia | kamchatka krai | rhytidiadelphus japonicus | species | 1 | 0 |
| russia | kamchatka krai | rhytidiadelphus japonicus var. kamchaticus | varietas | 2 | 0 |
| russia | khabarovsk krai | rhytidiadelphus japonicus | species | 1 | 0 |
| russia | sakhalin oblast | rhytidiadelphus japonicus | species | 3 | 0 |