| japan | kanagawa prefecture | rhododendron dilatatum | species | 3 | 0 |
| japan | kyoto prefecture | rhododendron dilatatum | species | 5 | 0 |
| japan | saitama prefecture | rhododendron dilatatum var. dilatatum | varietas | 2 | 0 |
| japan | shizuoka prefecture | rhododendron dilatatum var. dilatatum | varietas | 1 | 0 |