| australia | | uncultured nitrosomonas sp. | species | 3 | 0 |
| belgium | | uncultured nitrosomonas sp. | species | 1 | 0 |
| belgium | flemish region | uncultured nitrosomonas sp. | species | 3 | 0 |
| brazil | sao paulo | uncultured nitrosomonas sp. | species | 2 | 0 |
| china | | uncultured nitrosomonas sp. | species | 606 | 0 |
| china | beijing | uncultured nitrosomonas sp. | species | 9 | 0 |
| china | hunan | uncultured nitrosomonas sp. | species | 12 | 0 |
| china | jiangsu | uncultured nitrosomonas sp. | species | 1 | 0 |
| france | | uncultured nitrosomonas sp. | species | 4 | 0 |
| germany | | uncultured nitrosomonas sp. | species | 11 | 0 |
| germany | bavaria | uncultured nitrosomonas sp. | species | 1 | 0 |
| germany | berlin | uncultured nitrosomonas sp. | species | 1 | 0 |
| greenland | | uncultured nitrosomonas sp. | species | 2 | 0 |
| india | | uncultured nitrosomonas sp. | species | 2 | 0 |
| india | maharashtra | uncultured nitrosomonas sp. | species | 1 | 0 |
| india | uttar pradesh | uncultured nitrosomonas sp. | species | 2 | 0 |
| israel | | uncultured nitrosomonas sp. | species | 10 | 0 |
| israel | southern district | uncultured nitrosomonas sp. | species | 2 | 0 |
| italy | apulia region | uncultured nitrosomonas sp. | species | 8 | 0 |
| japan | | uncultured nitrosomonas sp. | species | 75 | 0 |
| japan | hokkaido prefecture | uncultured nitrosomonas sp. | species | 2 | 0 |
| japan | kanagawa prefecture | uncultured nitrosomonas sp. | species | 3 | 0 |
| japan | tokyo prefecture | uncultured nitrosomonas sp. | species | 12 | 0 |
| mexico | | uncultured nitrosomonas sp. | species | 1 | 0 |
| netherlands | | uncultured nitrosomonas sp. | species | 5 | 0 |
| nigeria | | uncultured nitrosomonas sp. | species | 3 | 0 |
| norway | | uncultured nitrosomonas sp. | species | 4 | 0 |
| pakistan | | uncultured nitrosomonas sp. | species | 1 | 0 |
| poland | | uncultured nitrosomonas sp. | species | 5 | 0 |
| singapore | | uncultured nitrosomonas sp. | species | 1 | 0 |
| slovakia | | uncultured nitrosomonas sp. | species | 1 | 0 |
| south africa | | uncultured nitrosomonas sp. | species | 6 | 0 |
| spain | | uncultured nitrosomonas sp. | species | 3 | 0 |
| spain | catalonia | uncultured nitrosomonas sp. | species | 91 | 0 |
| sweden | | uncultured nitrosomonas sp. | species | 2 | 0 |
| thailand | | uncultured nitrosomonas sp. | species | 3 | 0 |
| thailand | bangkok | uncultured nitrosomonas sp. | species | 2 | 0 |
| united states | massachusetts | uncultured nitrosomonas sp. | species | 5 | 0 |
| united states | michigan | uncultured nitrosomonas sp. | species | 1 | 0 |
| united states | north carolina | uncultured nitrosomonas sp. | species | 1 | 0 |
| united states | wisconsin | uncultured nitrosomonas sp. | species | 8 | 0 |