| antarctica | | polynucleobacter necessarius | species | 19 | 0 |
| argentina | | polynucleobacter necessarius subsp. necessarius | subspecies | 1 | 0 |
| armenia | | polynucleobacter asymbioticus | species | 1 | 0 |
| australia | new south wales | polynucleobacter asymbioticus | species | 2 | 0 |
| austria | | polynucleobacter asymbioticus | species | 17 | 0 |
| austria | | polynucleobacter necessarius | species | 3 | 0 |
| austria | salzburg | polynucleobacter asymbioticus | species | 1 | 0 |
| austria | styria | polynucleobacter asymbioticus | species | 74 | 0 |
| brazil | rio de janeiro | polynucleobacter necessarius | species | 0 | 1 |
| brazil | sao paulo | polynucleobacter asymbioticus | species | 3 | 0 |
| china | | polynucleobacter asymbioticus | species | 4 | 0 |
| china | guangdong | polynucleobacter asymbioticus | species | 1 | 0 |
| china | jiangsu | polynucleobacter asymbioticus | species | 1 | 0 |
| finland | | polynucleobacter necessarius | species | 22 | 0 |
| finland | ostrobothnia region | polynucleobacter necessarius | species | 14 | 0 |
| france | corse region | polynucleobacter asymbioticus | species | 36 | 0 |
| iceland | | polynucleobacter necessarius | species | 2 | 0 |
| japan | chiba prefecture | polynucleobacter asymbioticus | species | 29 | 0 |
| japan | fukushima prefecture | polynucleobacter asymbioticus | species | 11 | 0 |
| japan | ibaraki prefecture | polynucleobacter asymbioticus | species | 43 | 0 |
| japan | nagano prefecture | polynucleobacter asymbioticus | species | 49 | 0 |
| japan | saitama prefecture | polynucleobacter asymbioticus | species | 98 | 0 |
| norway | | polynucleobacter necessarius | species | 10 | 0 |
| south africa | kwazulu-natal province | polynucleobacter necessarius | species | 730 | 0 |
| sweden | | polynucleobacter necessarius | species | 3 | 0 |
| united kingdom | scotland | polynucleobacter asymbioticus | species | 1 | 0 |
| united states | delaware | polynucleobacter necessarius | species | 0 | 1 |
| united states | wisconsin | polynucleobacter asymbioticus | species | 1 | 0 |
| united states | wisconsin | polynucleobacter necessarius | species | 0 | 1 |
| vietnam | | polynucleobacter asymbioticus | species | 1 | 0 |