| bahamas | | uncultured ruminococcus sp. | species | 1 | 0 |
| brazil | | uncultured ruminococcus sp. | species | 3 | 0 |
| canada | ontario | uncultured ruminococcus sp. | species | 1 | 0 |
| china | | uncultured ruminococcus sp. | species | 48 | 0 |
| china | gansu | uncultured ruminococcus sp. | species | 2 | 0 |
| france | | uncultured ruminococcus sp. | species | 3 | 0 |
| france | ile-de-france region | uncultured ruminococcus sp. | species | 7 | 0 |
| hungary | | uncultured ruminococcus sp. | species | 4 | 0 |
| india | | uncultured ruminococcus sp. | species | 22 | 0 |
| india | kerala | uncultured ruminococcus sp. | species | 1 | 0 |
| italy | | uncultured ruminococcus sp. | species | 2 | 0 |
| japan | | uncultured ruminococcus sp. | species | 5 | 0 |
| japan | shizuoka prefecture | uncultured ruminococcus sp. | species | 2 | 0 |
| mexico | | uncultured ruminococcus sp. | species | 4 | 0 |
| mexico | yucatan | uncultured ruminococcus sp. | species | 1 | 0 |
| namibia | | uncultured ruminococcus sp. | species | 1 | 0 |
| romania | | uncultured ruminococcus sp. | species | 1 | 0 |
| russia | novosibirsk oblast | uncultured ruminococcus sp. | species | 1 | 0 |
| south africa | | uncultured ruminococcus sp. | species | 3 | 0 |
| south korea | | uncultured ruminococcus sp. | species | 5 | 0 |
| spain | | uncultured ruminococcus sp. | species | 1 | 0 |
| sweden | | uncultured ruminococcus sp. | species | 1 | 0 |
| tanzania | | uncultured ruminococcus sp. | species | 1 | 0 |
| united kingdom | | uncultured ruminococcus sp. | species | 949 | 0 |
| united states | california | uncultured ruminococcus sp. | species | 1 | 0 |