| australia | new south wales | bacteroides xylanisolvens | species | 1 | 0 |
| china | | bacteroides xylanisolvens | species | 195 | 0 |
| china | beijing | bacteroides xylanisolvens | species | 136 | 0 |
| china | guangdong | bacteroides xylanisolvens | species | 1146 | 0 |
| china | zhejiang | bacteroides xylanisolvens | species | 4 | 0 |
| denmark | | bacteroides xylanisolvens | species | 1 | 0 |
| france | auvergne region | bacteroides xylanisolvens | species | 1 | 0 |
| ireland | | bacteroides xylanisolvens | species | 415 | 0 |
| ireland | munster province | bacteroides xylanisolvens | species | 52 | 0 |
| japan | | bacteroides xylanisolvens | species | 6 | 0 |
| mozambique | | bacteroides xylanisolvens | species | 5 | 0 |
| norway | oslo county | bacteroides xylanisolvens | species | 5 | 0 |
| slovenia | | bacteroides xylanisolvens | species | 166 | 0 |
| south korea | north chungcheong province | bacteroides xylanisolvens | species | 10 | 0 |
| united kingdom | | bacteroides xylanisolvens | species | 1083 | 0 |
| united states | | bacteroides xylanisolvens | species | 3206 | 0 |
| united states | illinois | bacteroides xylanisolvens | species | 918 | 0 |
| united states | massachusetts | bacteroides xylanisolvens | species | 1001 | 0 |
| united states | massachusetts | bacteroides xylanisolvens cl03t12c04 | no rank | 5 | 0 |
| united states | missouri | bacteroides xylanisolvens | species | 456 | 0 |
| united states | new york | bacteroides xylanisolvens | species | 1648 | 0 |
| united states | north carolina | bacteroides xylanisolvens | species | 484 | 0 |
| united states | tennessee | bacteroides xylanisolvens | species | 1 | 0 |