| australia | queensland | candidatus cardinium hertigii | species | 11 | 0 |
| australia | victoria | candidatus cardinium hertigii | species | 26 | 0 |
| austria | | candidatus cardinium hertigii | species | 1 | 0 |
| brazil | bahia | candidatus cardinium hertigii | species | 218 | 0 |
| france | | candidatus cardinium hertigii | species | 3 | 0 |
| france | bretagne region | candidatus cardinium hertigii | species | 0 | 1 |
| india | | candidatus cardinium hertigii | species | 21 | 0 |
| italy | campania region | candidatus cardinium hertigii | species | 22 | 0 |
| italy | piemonte region | candidatus cardinium hertigii | species | 0 | 1 |
| kenya | | candidatus cardinium hertigii | species | 2 | 0 |
| madagascar | | candidatus cardinium hertigii | species | 1 | 0 |
| nigeria | abia | candidatus cardinium hertigii | species | 13 | 0 |
| nigeria | lagos | candidatus cardinium hertigii | species | 1 | 0 |
| nigeria | oyo | candidatus cardinium hertigii | species | 1 | 0 |
| south africa | | candidatus cardinium hertigii | species | 1 | 0 |
| spain | | candidatus cardinium hertigii | species | 8 | 0 |
| uganda | | candidatus cardinium hertigii | species | 1 | 0 |
| united kingdom | | candidatus cardinium hertigii | species | 1 | 0 |
| united states | | candidatus cardinium hertigii | species | 2 | 0 |
| united states | california | candidatus cardinium hertigii | species | 2 | 0 |
| united states | oregon | candidatus cardinium hertigii | species | 28 | 0 |