| antarctica | | paraclostridium bifermentans | species | 1 | 0 |
| argentina | | paraclostridium bifermentans | species | 82 | 0 |
| brazil | | paraclostridium bifermentans | species | 35 | 0 |
| china | | paraclostridium bifermentans | species | 3 | 0 |
| china | beijing | paraclostridium bifermentans | species | 3 | 0 |
| china | fujian | paraclostridium bifermentans | species | 1 | 0 |
| china | guangdong | paraclostridium bifermentans | species | 330 | 0 |
| china | hainan | paraclostridium bifermentans | species | 1 | 0 |
| china | jiangsu | paraclostridium bifermentans | species | 43 | 0 |
| china | shanxi | paraclostridium bifermentans | species | 2 | 0 |
| china | sichuan | paraclostridium bifermentans | species | 0 | 1 |
| colombia | | paraclostridium bifermentans | species | 1 | 0 |
| french polynesia | | paraclostridium bifermentans | species | 0 | 1 |
| germany | | paraclostridium bifermentans | species | 34 | 0 |
| hungary | fejer county | paraclostridium bifermentans | species | 2 | 0 |
| india | | paraclostridium bifermentans | species | 28 | 0 |
| india | gujarat | paraclostridium bifermentans | species | 80 | 0 |
| india | madhya pradesh | paraclostridium bifermentans | species | 11 | 0 |
| india | national capital territory of delhi | paraclostridium bifermentans | species | 1 | 0 |
| india | tamil nadu | paraclostridium bifermentans | species | 1 | 0 |
| iran | | paraclostridium bifermentans | species | 5 | 0 |
| italy | emilia-romagna region | paraclostridium bifermentans | species | 77 | 0 |
| japan | fukuoka prefecture | paraclostridium bifermentans | species | 600 | 0 |
| japan | gifu prefecture | paraclostridium bifermentans | species | 2 | 0 |
| malaysia | | paraclostridium bifermentans wym | no rank | 362 | 0 |
| nigeria | | paraclostridium bifermentans | species | 2 | 0 |
| south africa | | paraclostridium bifermentans | species | 13 | 0 |
| sweden | | paraclostridium bifermentans | species | 7 | 0 |
| switzerland | neuchatel region | paraclostridium bifermentans | species | 1 | 0 |
| united states | | paraclostridium bifermentans | species | 159 | 0 |
| united states | pennsylvania | paraclostridium bifermentans | species | 2 | 0 |