| antarctica | | nitrospira sp. | species | 2 | 0 |
| armenia | | nitrospira sp. enrichment culture clone jac14 | species | 1 | 0 |
| armenia | | nitrospira sp. enrichment culture clone jac29 | species | 1 | 0 |
| armenia | | nitrospira sp. enrichment culture clone jac35 | species | 1 | 0 |
| australia | | uncultured nitrospira sp. | species | 4 | 0 |
| australia | new south wales | uncultured nitrospira sp. | species | 10 | 0 |
| australia | queensland | nitrospira sp. | species | 1 | 0 |
| australia | queensland | uncultured nitrospira sp. | species | 7 | 0 |
| australia | south australia | nitrospira | genus | 0 | 1 |
| austria | | uncultured nitrospira sp. | species | 76 | 0 |
| austria | lower austria | uncultured nitrospira sp. | species | 6 | 0 |
| austria | vienna | uncultured nitrospira sp. | species | 18 | 0 |
| bahamas | | uncultured nitrospira sp. | species | 5 | 0 |
| brazil | | uncultured nitrospira sp. | species | 5 | 0 |
| brazil | parana | uncultured nitrospira sp. | species | 4 | 0 |
| brazil | sao paulo | uncultured nitrospira sp. | species | 10 | 0 |
| canada | | uncultured nitrospira sp. | species | 1 | 0 |
| canada | british columbia | nitrospira | genus | 0 | 1 |
| canada | nunavut | uncultured nitrospira sp. | species | 1 | 0 |
| canada | quebec | uncultured nitrospira sp. | species | 1 | 0 |
| chile | | uncultured nitrospira sp. | species | 1 | 0 |
| china | | nitrospira sp. | species | 10 | 0 |
| china | | nitrospira sp. enrichment culture | species | 54 | 0 |
| china | | nitrospira sp. enrichment culture clone rtc21 | species | 1 | 0 |
| china | | nitrospira sp. enrichment culture clone rtc3 | species | 1 | 0 |
| china | | uncultured nitrospira sp. | species | 1917 | 0 |
| china | anhui | uncultured nitrospira sp. | species | 5 | 0 |
| china | beijing | nitrospira | genus | 0 | 2 |
| china | beijing | uncultured nitrospira sp. | species | 22 | 0 |
| china | gansu | uncultured nitrospira sp. | species | 1 | 0 |
| china | guangdong | nitrospira | genus | 0 | 3 |
| china | guangdong | nitrospira sp. | species | 9 | 0 |
| china | guangdong | uncultured nitrospira sp. | species | 14 | 0 |
| china | hunan | uncultured nitrospira sp. | species | 25 | 0 |
| china | jiangsu | nitrospira sp. | species | 2 | 0 |
| china | jiangsu | uncultured nitrospira sp. | species | 5 | 0 |
| china | jiangxi | nitrospira | genus | 0 | 3 |
| china | jiangxi | uncultured nitrospira sp. | species | 3 | 0 |
| china | shandong | nitrospira | genus | 0 | 1 |
| china | shandong | uncultured nitrospira sp. | species | 2 | 0 |
| china | shanghai shi | nitrospira defluvii | species | 2 | 0 |
| china | shanxi | nitrospira | genus | 0 | 1 |
| china | sichuan | uncultured nitrospira sp. | species | 5 | 0 |
| china | tibet | nitrospira sp. | species | 4 | 0 |
| china | xinjiang | uncultured nitrospira sp. | species | 3 | 0 |
| china | yunnan | nitrospira sp. | species | 7 | 0 |
| china | yunnan | uncultured nitrospira sp. | species | 69 | 0 |
| china | zhejiang | uncultured nitrospira sp. | species | 3 | 0 |
| czech republic | | uncultured nitrospira sp. | species | 4 | 0 |
| denmark | | nitrospira sp. | species | 822 | 0 |
| denmark | region of southern denmark | nitrospira sp. | species | 2 | 0 |
| ethiopia | | uncultured nitrospira sp. | species | 1 | 0 |
| finland | | uncultured nitrospira sp. | species | 5 | 0 |
| france | ile-de-france region | nitrospira | genus | 0 | 1 |
| germany | | nitrospira sp. enrichment culture clone 1 | species | 1 | 0 |
| germany | | nitrospira sp. enrichment culture clone lua16 | species | 1 | 0 |
| germany | | uncultured nitrospira sp. | species | 64 | 0 |
| germany | baden-wuerttemberg | nitrospira sp. | species | 3 | 0 |
| germany | bavaria | uncultured nitrospira sp. | species | 1 | 0 |
| germany | berlin | uncultured nitrospira sp. | species | 2 | 0 |
| germany | hamburg | nitrospira sp. enrichment culture clone 43 | species | 1 | 0 |
| germany | hamburg | nitrospira sp. enrichment culture clone 44 | species | 1 | 0 |
| germany | lower saxony | nitrospira sp. | species | 11 | 0 |
| germany | lower saxony | uncultured nitrospira sp. | species | 1 | 0 |
| germany | saxony | uncultured nitrospira sp. | species | 5 | 0 |
| germany | schleswig-holstein | uncultured nitrospira sp. | species | 22 | 0 |
| hong kong | | nitrospira sp. | species | 12 | 0 |
| hungary | | uncultured nitrospira sp. | species | 11 | 0 |
| india | | nitrospira sp. | species | 2 | 0 |
| india | | uncultured nitrospira sp. | species | 34 | 0 |
| india | himachal pradesh | nitrospira sp. | species | 1 | 0 |
| india | madhya pradesh | uncultured nitrospira sp. | species | 1 | 0 |
| india | uttar pradesh | uncultured nitrospira sp. | species | 4 | 0 |
| india | west bengal | uncultured nitrospira sp. | species | 1 | 0 |
| israel | southern district | uncultured nitrospira sp. | species | 1 | 0 |
| italy | | uncultured nitrospira sp. | species | 4 | 0 |
| japan | | nitrospira sp. enrichment culture | species | 1 | 0 |
| japan | | uncultured nitrospira sp. | species | 49 | 0 |
| japan | aichi prefecture | uncultured nitrospira sp. | species | 2 | 0 |
| japan | ehime prefecture | uncultured nitrospira sp. | species | 2 | 0 |
| japan | hokkaido prefecture | uncultured nitrospira sp. | species | 4 | 0 |
| japan | kagoshima prefecture | uncultured nitrospira sp. | species | 1 | 0 |
| japan | kanagawa prefecture | uncultured nitrospira sp. | species | 3 | 0 |
| japan | kyoto prefecture | uncultured nitrospira sp. | species | 5 | 0 |
| japan | mie prefecture | uncultured nitrospira sp. | species | 1 | 0 |
| japan | niigata prefecture | uncultured nitrospira sp. | species | 4 | 0 |
| japan | shiga prefecture | uncultured nitrospira sp. | species | 1 | 0 |
| japan | tochigi prefecture | uncultured nitrospira sp. | species | 3 | 0 |
| japan | tokyo prefecture | nitrospira sp. nd1 | species | 1 | 0 |
| luxembourg | | nitrospira sp. uba4129 | species | 1 | 0 |
| luxembourg | | nitrospira sp. uba7240 | species | 1 | 0 |
| mexico | | uncultured nitrospira sp. | species | 3 | 0 |
| mexico | quintana roo | uncultured nitrospira sp. | species | 1 | 0 |
| mongolia | dornogovi province | nitrospira | genus | 0 | 1 |
| mongolia | khovsgol province | nitrospira | genus | 0 | 1 |
| namibia | | nitrospira sp. enrichment culture clone 74 | species | 1 | 0 |
| namibia | | nitrospira sp. enrichment culture clone 80 | species | 1 | 0 |
| namibia | | uncultured nitrospira sp. | species | 22 | 0 |
| netherlands | | candidatus nitrospira salsa | species | 1 | 0 |
| netherlands | | nitrospira sp. | species | 83 | 0 |
| netherlands | | uncultured nitrospira sp. | species | 14 | 0 |
| netherlands | gelderland province | nitrospira sp. olb3 | species | 80 | 0 |
| new zealand | canterbury | nitrospira sp. | species | 3 | 0 |
| nigeria | | uncultured nitrospira sp. | species | 2 | 0 |
| norway | | uncultured nitrospira sp. | species | 4 | 0 |
| portugal | porto district | uncultured nitrospira sp. | species | 3 | 0 |
| romania | | nitrospira sp. enrichment culture clone i3 | species | 1 | 0 |
| romania | constanta county | nitrospira sp. | species | 1 | 0 |
| russia | | nitrospira sp. enrichment culture clone 3301 | species | 1 | 0 |
| russia | | nitrospira sp. enrichment culture clone 3304 | species | 1 | 0 |
| russia | | nitrospira sp. enrichment culture clone 3305 | species | 1 | 0 |
| russia | | nitrospira sp. enrichment culture clone 3309 | species | 1 | 0 |
| russia | | nitrospira sp. enrichment culture clone ld3 | species | 1 | 0 |
| russia | | nitrospira sp. enrichment culture clone ld5 | species | 1 | 0 |
| russia | kostroma oblast | uncultured nitrospira sp. | species | 2 | 0 |
| russia | moscow city | candidatus nitrospira bockiana | species | 4 | 0 |
| russia | moscow city | nitrospira | genus | 0 | 2 |
| russia | moscow city | nitrospira moscoviensis | species | 34 | 0 |
| russia | moscow city | uncultured nitrospira sp. | species | 1 | 0 |
| russia | moscow oblast | nitrospira | genus | 0 | 2 |
| singapore | | nitrospira sp. uba2082 | species | 1 | 0 |
| singapore | | nitrospira sp. uba2083 | species | 1 | 0 |
| singapore | | nitrospira sp. uba5698 | species | 1 | 0 |
| singapore | | nitrospira sp. uba5699 | species | 1 | 0 |
| singapore | | nitrospira sp. uba5702 | species | 1 | 0 |
| south africa | | nitrospira sp. enrichment culture clone 83 | species | 1 | 0 |
| south africa | | uncultured nitrospira sp. | species | 12 | 0 |
| spain | | uncultured nitrospira sp. | species | 4 | 0 |
| spain | andalusia | nitrospira | genus | 0 | 1 |
| spain | balearic islands | uncultured nitrospira sp. | species | 1 | 0 |
| svalbard and jan mayen | svalbard | nitrospira | genus | 0 | 1 |
| sweden | | uncultured nitrospira sp. | species | 2 | 0 |
| switzerland | | uncultured nitrospira sp. | species | 14 | 0 |
| taiwan | | uncultured nitrospira sp. | species | 22 | 0 |
| taiwan | taiwan municipality | uncultured nitrospira sp. | species | 20 | 0 |
| tanzania | kigoma region | nitrospira sp. | species | 5 | 0 |
| thailand | | uncultured nitrospira sp. | species | 1 | 0 |
| thailand | bangkok | uncultured nitrospira sp. | species | 1 | 0 |
| united kingdom | | uncultured nitrospira sp. | species | 7 | 0 |
| united kingdom | scotland | nitrospira | genus | 0 | 1 |
| united states | | nitrospira marina | species | 6 | 0 |
| united states | | nitrospira sp. | species | 1792 | 0 |
| united states | | nitrospira sp. enrichment culture | species | 1 | 0 |
| united states | | uncultured nitrospira sp. | species | 263 | 0 |
| united states | arizona | uncultured nitrospira sp. | species | 1 | 0 |
| united states | california | nitrospira | genus | 0 | 1 |
| united states | california | nitrospira defluvii | species | 1 | 0 |
| united states | colorado | nitrospira sp. | species | 77 | 0 |
| united states | florida | uncultured nitrospira sp. | species | 6 | 0 |
| united states | georgia | uncultured nitrospira sp. | species | 28 | 0 |
| united states | kansas | uncultured nitrospira sp. | species | 6 | 0 |
| united states | maine | nitrospira sp. scgc ag-212-e16 | species | 163 | 0 |
| united states | massachusetts | uncultured nitrospira sp. | species | 11 | 0 |
| united states | michigan | nitrospira sp. | species | 4 | 0 |
| united states | michigan | uncultured nitrospira sp. | species | 16 | 0 |
| united states | north carolina | nitrospira sp. | species | 3 | 0 |
| united states | pennsylvania | nitrospira | genus | 0 | 1 |
| united states | pennsylvania | nitrospira sp. | species | 3 | 0 |
| united states | texas | uncultured nitrospira sp. | species | 1 | 0 |
| united states | utah | uncultured nitrospira sp. | species | 7 | 0 |
| united states | virginia | nitrospira sp. | species | 9 | 0 |
| united states | wisconsin | nitrospira sp. uw-ldo-01 | species | 231 | 0 |
| united states | wisconsin | nitrospira sp. uw-ldo-02 | species | 523 | 0 |
| united states | wisconsin | uncultured nitrospira sp. | species | 19 | 0 |
| united states | wyoming | uncultured nitrospira sp. | species | 1 | 0 |