| algeria | | uncultured mesorhizobium sp. | species | 3 | 0 |
| antarctica | | uncultured mesorhizobium sp. | species | 1 | 0 |
| brazil | | uncultured mesorhizobium sp. | species | 3 | 0 |
| brazil | parana | uncultured mesorhizobium sp. | species | 2 | 0 |
| brazil | rio de janeiro | uncultured mesorhizobium sp. | species | 4 | 0 |
| brazil | sao paulo | uncultured mesorhizobium sp. | species | 1 | 0 |
| canada | | uncultured mesorhizobium sp. | species | 6 | 0 |
| chile | | uncultured mesorhizobium sp. | species | 1 | 0 |
| china | | uncultured mesorhizobium sp. | species | 42 | 0 |
| china | beijing | uncultured mesorhizobium sp. | species | 4 | 0 |
| china | henan | uncultured mesorhizobium sp. | species | 1 | 0 |
| china | hunan | uncultured mesorhizobium sp. | species | 6 | 0 |
| china | sichuan | uncultured mesorhizobium sp. | species | 3 | 0 |
| china | tibet | uncultured mesorhizobium sp. | species | 1 | 0 |
| china | xinjiang | uncultured mesorhizobium sp. | species | 1 | 0 |
| china | zhejiang | uncultured mesorhizobium sp. | species | 1 | 0 |
| france | | uncultured mesorhizobium sp. | species | 16 | 0 |
| india | | uncultured mesorhizobium sp. | species | 422 | 0 |
| israel | | uncultured mesorhizobium sp. | species | 1 | 0 |
| italy | | uncultured mesorhizobium sp. | species | 7 | 0 |
| italy | sardinia autonomous region | uncultured mesorhizobium sp. | species | 3 | 0 |
| italy | tuscany region | uncultured mesorhizobium sp. | species | 4 | 0 |
| japan | | uncultured mesorhizobium sp. | species | 4 | 0 |
| japan | ehime prefecture | uncultured mesorhizobium sp. | species | 1 | 0 |
| japan | hokkaido prefecture | uncultured mesorhizobium sp. | species | 29 | 0 |
| japan | shizuoka prefecture | uncultured mesorhizobium sp. | species | 2 | 0 |
| kuwait | | uncultured mesorhizobium sp. | species | 3 | 0 |
| mexico | | uncultured mesorhizobium sp. | species | 26 | 0 |
| mexico | coahuila zaragoza | uncultured mesorhizobium sp. | species | 2 | 0 |
| mexico | quintana roo | uncultured mesorhizobium sp. | species | 2 | 0 |
| mexico | yucatan | uncultured mesorhizobium sp. | species | 4 | 0 |
| namibia | | uncultured mesorhizobium sp. | species | 1 | 0 |
| nigeria | | uncultured mesorhizobium sp. | species | 4 | 0 |
| norway | | uncultured mesorhizobium sp. | species | 3 | 0 |
| norway | svalbard | uncultured mesorhizobium sp. | species | 1 | 0 |
| panama | | uncultured mesorhizobium sp. | species | 1 | 0 |
| poland | | uncultured mesorhizobium sp. | species | 3 | 0 |
| reunion | | uncultured mesorhizobium sp. | species | 1 | 0 |
| russia | irkutsk oblast | uncultured mesorhizobium sp. | species | 1 | 0 |
| russia | moscow city | uncultured mesorhizobium sp. | species | 1 | 0 |
| south korea | | uncultured mesorhizobium sp. | species | 1 | 0 |
| spain | | uncultured mesorhizobium sp. | species | 3 | 0 |
| spain | andalusia | uncultured mesorhizobium sp. | species | 1 | 0 |
| svalbard and jan mayen | | uncultured mesorhizobium sp. | species | 1 | 0 |
| taiwan | | uncultured mesorhizobium sp. | species | 1 | 0 |
| turkey | | uncultured mesorhizobium sp. | species | 1 | 0 |
| united kingdom | scotland | uncultured mesorhizobium sp. | species | 1 | 0 |
| united states | | uncultured mesorhizobium sp. | species | 5 | 0 |
| united states | florida | uncultured mesorhizobium sp. | species | 1 | 0 |
| united states | georgia | uncultured mesorhizobium sp. | species | 2 | 0 |
| united states | kansas | uncultured mesorhizobium sp. | species | 6 | 0 |
| united states | michigan | uncultured mesorhizobium sp. | species | 5 | 0 |
| united states | utah | uncultured mesorhizobium sp. | species | 5 | 0 |