| australia | western australia | bradyrhizobium iriomotense | species | 8 | 0 |
| brazil | | bradyrhizobium iriomotense | species | 114 | 0 |
| brazil | roraima | bradyrhizobium iriomotense | species | 0 | 2 |
| china | guangdong | bradyrhizobium iriomotense | species | 115 | 0 |
| japan | | bradyrhizobium iriomotense | species | 1 | 0 |
| japan | okinawa prefecture | bradyrhizobium iriomotense | species | 15 | 1 |
| namibia | khomas region | bradyrhizobium iriomotense | species | 0 | 1 |