| antarctica | | uncultured phormidium sp. | species | 1 | 0 |
| australia | queensland | uncultured phormidium sp. | species | 1 | 0 |
| australia | western australia | uncultured phormidium sp. | species | 2 | 0 |
| china | | uncultured phormidium sp. | species | 9 | 0 |
| china | guangdong | uncultured phormidium sp. | species | 1 | 0 |
| china | tibet | uncultured phormidium sp. | species | 1 | 0 |
| france | midi-pyrenees region | uncultured phormidium sp. | species | 1 | 0 |
| india | | uncultured phormidium sp. | species | 86 | 0 |
| india | uttar pradesh | uncultured phormidium sp. | species | 1 | 0 |
| kuwait | | uncultured phormidium sp. | species | 3 | 0 |
| kuwait | jahra governorate | uncultured phormidium sp. | species | 1 | 0 |
| mexico | | uncultured phormidium sp. | species | 2 | 0 |
| mexico | yucatan | uncultured phormidium sp. | species | 1 | 0 |
| romania | bihor county | uncultured phormidium sp. | species | 8 | 0 |
| south korea | daejeon city | uncultured phormidium sp. | species | 6 | 0 |
| spain | | uncultured phormidium sp. | species | 4 | 0 |
| spain | madrid | uncultured phormidium sp. | species | 46 | 0 |
| united states | | uncultured phormidium sp. | species | 6 | 0 |
| united states | hawaii | uncultured phormidium sp. | species | 5 | 0 |