| brazil | parana | uncultured azospirillum sp. | species | 4 | 0 |
| brazil | sao paulo | uncultured azospirillum sp. | species | 1 | 0 |
| canada | new brunswick | uncultured azospirillum sp. | species | 1 | 0 |
| china | | uncultured azospirillum sp. | species | 46 | 0 |
| china | fujian | uncultured azospirillum sp. | species | 1 | 0 |
| china | guangdong | uncultured azospirillum sp. | species | 1 | 0 |
| china | hubei | uncultured azospirillum sp. | species | 1 | 0 |
| china | hunan | uncultured azospirillum sp. | species | 4 | 0 |
| china | jiangsu | uncultured azospirillum sp. | species | 2 | 0 |
| china | sichuan | uncultured azospirillum sp. | species | 1 | 0 |
| india | | uncultured azospirillum sp. | species | 14 | 0 |
| italy | | uncultured azospirillum sp. | species | 1 | 0 |
| japan | | uncultured azospirillum sp. | species | 2 | 0 |
| japan | hokkaido prefecture | uncultured azospirillum sp. | species | 5 | 0 |
| japan | shizuoka prefecture | uncultured azospirillum sp. | species | 8 | 0 |
| kuwait | | uncultured azospirillum sp. | species | 3 | 0 |
| mexico | | uncultured azospirillum sp. | species | 10 | 0 |
| namibia | | uncultured azospirillum sp. | species | 1 | 0 |
| netherlands | | uncultured azospirillum sp. | species | 1 | 0 |
| nigeria | | uncultured azospirillum sp. | species | 13 | 0 |
| russia | irkutsk oblast | uncultured azospirillum sp. | species | 1 | 0 |
| singapore | | uncultured azospirillum sp. | species | 3 | 0 |
| spain | | uncultured azospirillum sp. | species | 28 | 0 |
| tunisia | | uncultured azospirillum sp. | species | 2 | 0 |
| united states | | uncultured azospirillum sp. | species | 4 | 0 |
| united states | michigan | uncultured azospirillum sp. | species | 1 | 0 |
| united states | minnesota | uncultured azospirillum sp. | species | 2 | 0 |
| united states | washington | uncultured azospirillum sp. | species | 1 | 0 |