| argentina | santa fe province | clostridia bacterium | species | 9 | 0 |
| australia | new south wales | clostridia bacterium | species | 24 | 0 |
| australia | queensland | clostridia bacterium | species | 5 | 0 |
| australia | south australia | clostridia bacterium | species | 6 | 0 |
| australia | victoria | clostridia bacterium | species | 2 | 0 |
| austria | lower austria | clostridia bacterium | species | 24 | 0 |
| austria | vienna | clostridia bacterium | species | 6 | 0 |
| belgium | | clostridia bacterium tsw01ca3a | species | 1 | 0 |
| belgium | | clostridia bacterium tsw03ca7 | species | 1 | 0 |
| belgium | | clostridia bacterium tsw06ca6 | species | 1 | 0 |
| belgium | | clostridia bacterium tsw07ca7 | species | 1 | 0 |
| belgium | | clostridia bacterium tsw07ca9 | species | 1 | 0 |
| belgium | | clostridia bacterium tsw31ca3 | species | 1 | 0 |
| brazil | sao paulo | clostridia bacterium | species | 1 | 0 |
| canada | british columbia | clostridia bacterium | species | 3 | 0 |
| china | | clostridia bacterium tq1 | species | 1 | 0 |
| china | liaoning | clostridia bacterium s130(2)-2 | species | 1 | 0 |
| china | liaoning | clostridia bacterium s130(4)-2 | species | 1 | 0 |
| china | liaoning | clostridia bacterium s130(5)-2 | species | 1 | 0 |
| china | shanghai shi | clostridia bacterium s110(0)-1 | species | 1 | 0 |
| china | shanghai shi | clostridia bacterium s110(17)-1 | species | 1 | 0 |
| china | shanghai shi | clostridia bacterium s710(0)-1 | species | 1 | 0 |
| china | shanghai shi | clostridia bacterium s710(2)-1 | species | 1 | 0 |
| china | tibet | clostridia bacterium | species | 39 | 0 |
| china | yunnan | clostridia bacterium | species | 4 | 0 |
| china | zhejiang | clostridia bacterium | species | 700 | 0 |
| denmark | | desulfitibacter alkalitolerans dsm 16504 | no rank | 24 | 0 |
| germany | bavaria | clostridia bacterium | species | 143 | 0 |
| germany | lower saxony | clostridia bacterium | species | 24 | 0 |
| greenland | | clostridia bacterium | species | 1 | 0 |
| iran | alborz province | clostridia bacterium | species | 35 | 0 |
| japan | | clostridia bacterium | species | 5 | 0 |
| russia | sakhalin oblast | clostridia bacterium | species | 1 | 0 |
| south africa | gauteng province | clostridia bacterium | species | 1 | 0 |
| south africa | mpumalanga province | clostridia bacterium | species | 15 | 0 |
| south korea | seoul city | clostridia bacterium | species | 3 | 0 |
| ukraine | | clostridia bacterium | species | 4 | 0 |
| united states | alaska | clostridia bacterium 41_269 | species | 31 | 0 |
| united states | alaska | clostridia bacterium 62_21 | species | 219 | 0 |
| united states | california | clostridia bacterium | species | 10 | 0 |
| united states | georgia | clostridia bacterium | species | 10 | 0 |
| united states | minnesota | clostridia bacterium | species | 283 | 0 |
| united states | oklahoma | clostridia bacterium | species | 8 | 0 |
| united states | south dakota | clostridia bacterium gly3 | species | 1 | 0 |
| united states | tennessee | clostridia bacterium | species | 74 | 0 |
| united states | wisconsin | clostridia bacterium | species | 4 | 0 |