| algeria | | azotobacter chroococcum | species | 1 | 0 |
| argentina | | azotobacter chroococcum | species | 2 | 0 |
| argentina | buenos aires city | azomonas | genus | 0 | 1 |
| argentina | buenos aires city | azomonas agilis | species | 0 | 1 |
| argentina | buenos aires city | azomonas insignis | species | 0 | 1 |
| argentina | buenos aires city | azotobacter | genus | 0 | 1 |
| argentina | buenos aires city | azotobacter sp. fa8 | species | 3 | 0 |
| argentina | buenos aires province | azomonas | genus | 0 | 1 |
| argentina | buenos aires province | azotobacter | genus | 0 | 1 |
| armenia | | azotobacter vinelandii | species | 1 | 0 |
| bangladesh | dhaka division | azotobacter salinestris | species | 1 | 0 |
| brazil | | azotobacter sp. sks7 | species | 1 | 0 |
| canada | british columbia | azotobacter vinelandii | species | 0 | 1 |
| canada | ontario | azotobacter | genus | 0 | 1 |
| canada | quebec | azomonas macrocytogenes | species | 1 | 0 |
| china | | azotobacter beijerinckii | species | 1 | 0 |
| china | | azotobacter chroococcum | species | 3 | 0 |
| china | | azotobacter salinestris | species | 1 | 0 |
| china | | azotobacter sp. | species | 18 | 0 |
| china | | uncultured azotobacter sp. | species | 2 | 0 |
| china | guangdong | azotobacter sp. | species | 1 | 0 |
| china | hainan | azotobacter | genus | 0 | 1 |
| china | heilongjiang | azotobacter chroococcum | species | 1 | 0 |
| china | shaanxi | azorhizophilus paspali | species | 1 | 0 |
| china | shaanxi | azorhizophilus sp. | species | 1 | 0 |
| china | shanxi | azotobacter chroococcum | species | 10 | 0 |
| china | sichuan | azotobacter chroococcum | species | 1 | 0 |
| china | tibet | azotobacter | genus | 0 | 1 |
| china | xinjiang | azotobacter chroococcum | species | 2 | 0 |
| cuba | santiago de cuba province | azotobacter | genus | 0 | 1 |
| egypt | | azomonas macrocytogenes | species | 2 | 0 |
| egypt | | azotobacter chroococcum | species | 14 | 0 |
| egypt | | azotobacter nigricans | species | 1 | 0 |
| egypt | | azotobacter salinestris | species | 1 | 0 |
| egypt | | azotobacter vinelandii | species | 1 | 0 |
| french polynesia | | azotobacter | genus | 0 | 1 |
| india | | azorhizophilus paspali | species | 1 | 0 |
| india | | azotobacter armeniacus | species | 2 | 0 |
| india | | azotobacter beijerinckii | species | 4 | 0 |
| india | | azotobacter chroococcum | species | 95 | 0 |
| india | | azotobacter nigricans | species | 2 | 0 |
| india | | azotobacter nigricans subsp. nigricans | subspecies | 3 | 0 |
| india | | azotobacter salinestris | species | 7 | 0 |
| india | | azotobacter sp. | species | 4 | 0 |
| india | | azotobacter sp. aau a-10 | species | 1 | 0 |
| india | | azotobacter sp. bc93 | species | 1 | 0 |
| india | | azotobacter sp. cm114 | species | 1 | 0 |
| india | | azotobacter sp. cm118 | species | 1 | 0 |
| india | | azotobacter sp. dvd-7 | species | 1 | 0 |
| india | | azotobacter sp. dvd-8 | species | 1 | 0 |
| india | | azotobacter sp. gvt-10 | species | 1 | 0 |
| india | | azotobacter sp. gvt-6 | species | 1 | 0 |
| india | | azotobacter sp. jogii | species | 1 | 0 |
| india | | azotobacter sp. ra2 | species | 1 | 0 |
| india | | azotobacter sp. rcr-11 | species | 1 | 0 |
| india | | azotobacter sp. sbc17 | species | 1 | 0 |
| india | | azotobacter tropicalis | species | 14 | 0 |
| india | | azotobacter vinelandii | species | 22 | 0 |
| india | | uncultured azotobacter sp. | species | 2 | 0 |
| india | assam | azomonas macrocytogenes | species | 1 | 0 |
| india | assam | azotobacter chroococcum | species | 1 | 0 |
| india | assam | azotobacter vinelandii | species | 1 | 0 |
| india | bihar | azotobacter sp. iari-bhd-23 | species | 1 | 0 |
| india | goa | azotobacter chroococcum | species | 1 | 0 |
| india | goa | azotobacter nigricans subsp. nigricans | subspecies | 1 | 0 |
| india | goa | azotobacter sp. rcr-11 | species | 1 | 0 |
| india | goa | azotobacter vinelandii | species | 5 | 0 |
| india | gujarat | azotobacter sp. hms1 | species | 1 | 0 |
| india | jammu and kashmir | azotobacter vinelandii | species | 0 | 1 |
| india | karnataka | azotobacter chroococcum | species | 2 | 0 |
| india | karnataka | azotobacter salinestris | species | 1 | 0 |
| india | karnataka | azotobacter sp. az208 | species | 1 | 0 |
| india | karnataka | azotobacter vinelandii | species | 3 | 1 |
| india | kerala | azotobacter chroococcum | species | 3 | 0 |
| india | kerala | azotobacter vinelandii | species | 2 | 0 |
| india | maharashtra | azotobacter chroococcum | species | 1 | 0 |
| india | tamil nadu | azorhizophilus paspali | species | 1 | 0 |
| india | tamil nadu | azotobacter chroococcum | species | 6 | 0 |
| india | tamil nadu | azotobacter nigricans | species | 1 | 0 |
| india | tamil nadu | azotobacter vinelandii | species | 5 | 0 |
| india | uttar pradesh | azotobacter salinestris | species | 1 | 0 |
| india | uttarakhand | azotobacter vinelandii | species | 1 | 0 |
| india | west bengal | azotobacter chroococcum | species | 1 | 0 |
| india | west bengal | azotobacter sp. art001 | species | 1 | 0 |
| india | west bengal | uncultured azotobacter sp. | species | 3 | 0 |
| iran | | azotobacter chroococcum | species | 20 | 0 |
| iran | | azotobacter salinestris | species | 19 | 0 |
| iran | | azotobacter vinelandii | species | 5 | 0 |
| iran | east azerbaijan province | azotobacter chroococcum | species | 4 | 0 |
| iran | mazandaran province | azotobacter chroococcum | species | 1 | 0 |
| italy | | azotobacter chroococcum | species | 5 | 0 |
| italy | basilicata region | azotobacter chroococcum | species | 10 | 0 |
| italy | campania region | azotobacter chroococcum | species | 3 | 0 |
| japan | saitama prefecture | azotobacter beijerinckii | species | 2 | 0 |
| japan | shizuoka prefecture | azotobacter chroococcum | species | 3 | 0 |
| kenya | | azotobacter tropicalis | species | 2 | 0 |
| kenya | | azotobacter vinelandii | species | 7 | 0 |
| kuwait | | uncultured azotobacter sp. | species | 1 | 0 |
| mexico | | azotobacter sp. | species | 8 | 0 |
| mexico | baja california sur | azotobacter vinelandii | species | 1 | 0 |
| mongolia | | azotobacter chroococcum | species | 1 | 0 |
| nigeria | delta | azotobacter | genus | 0 | 1 |
| nigeria | lagos | azotobacter | genus | 0 | 1 |
| nigeria | lagos | azotobacter vinelandii | species | 0 | 1 |
| nigeria | niger | azotobacter | genus | 0 | 1 |
| nigeria | ogun | azotobacter | genus | 0 | 1 |
| norway | oslo county | azotobacter vinelandii | species | 0 | 1 |
| pakistan | | azotobacter sp. | species | 3 | 0 |
| pakistan | | azotobacter vinelandii | species | 1 | 0 |
| peru | | azotobacter chroococcum | species | 1 | 0 |
| poland | greater poland province | azotobacter | genus | 0 | 1 |
| russia | | azotobacter chroococcum | species | 11 | 0 |
| russia | astrakhan oblast | azotobacter | genus | 0 | 1 |
| russia | dagestan republic | azotobacter | genus | 0 | 1 |
| saudi arabia | | azotobacter sp. bacttsa01 | species | 1 | 0 |
| saudi arabia | | azotobacter sp. bacttsa03 | species | 1 | 0 |
| saudi arabia | | azotobacter vinelandii | species | 1 | 0 |
| serbia | | azotobacter chroococcum | species | 16 | 0 |
| south korea | | azotobacter salinestris | species | 3 | 0 |
| south korea | | azotobacter sp. l461 | species | 1 | 0 |
| switzerland | | azotobacter chroococcum | species | 3 | 0 |
| taiwan | | azotobacter chroococcum | species | 5 | 0 |
| thailand | | azotobacter tropicalis | species | 4 | 0 |
| thailand | | azotobacter vinelandii | species | 3 | 0 |
| tunisia | | azotobacter chroococcum | species | 1 | 0 |
| ukraine | | azotobacter vinelandii | species | 1 | 0 |
| united kingdom | wales | azotobacter | genus | 0 | 1 |
| united states | | azotobacter chroococcum ncimb 8003 | no rank | 14 | 0 |
| united states | florida | azotobacter | genus | 0 | 1 |
| united states | hawaii | azotobacter | genus | 0 | 1 |
| united states | oregon | azotobacter | genus | 0 | 1 |
| united states | texas | azotobacter | genus | 0 | 1 |
| vietnam | | azotobacter sp. ab-c11.1 | species | 1 | 0 |
| vietnam | | azotobacter sp. ab-cf7.2 | species | 1 | 0 |
| vietnam | | azotobacter sp. ab-ht14.2 | species | 1 | 0 |
| vietnam | | uncultured azotobacter sp. | species | 3 | 0 |
| vietnam | dak lak province | uncultured azotobacter sp. | species | 3 | 0 |