| belgium | | xanthomonas hortorum | species | 6 | 0 |
| brazil | | xanthomonas hortorum | species | 3 | 0 |
| canada | | xanthomonas hortorum | species | 15 | 0 |
| canada | | xanthomonas hortorum pv. vitians | no rank | 351 | 0 |
| canada | quebec | xanthomonas hortorum | species | 4 | 0 |
| france | | xanthomonas hortorum pv. vitians | no rank | 157 | 0 |
| france | bretagne region | xanthomonas hortorum | species | 3 | 0 |
| france | centre region | xanthomonas hortorum pv. vitians | no rank | 3 | 0 |
| france | franche-comte region | xanthomonas hortorum | species | 5 | 0 |
| france | franche-comte region | xanthomonas hortorum pv. vitians | no rank | 3 | 0 |
| france | provence-alpes-cote d'azur region | xanthomonas hortorum pv. vitians | no rank | 7 | 0 |
| france | rhone-alpes region | xanthomonas hortorum pv. vitians | no rank | 12 | 0 |
| greece | crete region | xanthomonas hortorum pv. hederae | no rank | 25 | 0 |
| japan | tokushima prefecture | xanthomonas hortorum pv. carotae | no rank | 1 | 0 |
| new zealand | | xanthomonas hortorum pv. hederae | no rank | 2 | 0 |
| new zealand | | xanthomonas hortorum pv. pelargonii | no rank | 103 | 0 |
| new zealand | | xanthomonas hortorum pv. taraxaci | no rank | 2 | 0 |
| new zealand | | xanthomonas hortorum pv. vitians | no rank | 130 | 0 |
| new zealand | auckland | xanthomonas hortorum pv. pelargonii | no rank | 98 | 0 |
| new zealand | gisborne | xanthomonas hortorum pv. carotae | no rank | 12 | 0 |
| russia | | xanthomonas hortorum pv. vitians | no rank | 4 | 0 |
| serbia | | xanthomonas hortorum pv. pelargonii | no rank | 68 | 0 |
| south korea | jeju province | xanthomonas hortorum | species | 6 | 0 |
| spain | | xanthomonas hortorum pv. carotae | no rank | 8 | 0 |
| taiwan | | xanthomonas hortorum pv. hederae | no rank | 6 | 0 |
| turkey | | xanthomonas hortorum pv. vitians | no rank | 12 | 0 |
| uganda | | xanthomonas hortorum | species | 1 | 0 |
| united kingdom | | xanthomonas hortorum pv. vitians | no rank | 156 | 0 |
| united kingdom | england | xanthomonas hortorum | species | 2 | 0 |
| united states | | xanthomonas hortorum pv. carotae | no rank | 6 | 0 |
| united states | | xanthomonas hortorum pv. hederae | no rank | 2272 | 0 |
| united states | | xanthomonas hortorum pv. pelargonii | no rank | 1 | 0 |
| united states | | xanthomonas hortorum pv. taraxaci | no rank | 129 | 0 |
| united states | | xanthomonas hortorum pv. vitians | no rank | 296 | 0 |
| united states | california | xanthomonas hortorum | species | 265 | 0 |
| united states | california | xanthomonas hortorum pv. vitians | no rank | 2248 | 0 |
| united states | colorado | xanthomonas hortorum pv. pelargonii | no rank | 1759 | 0 |
| united states | colorado | xanthomonas hortorum pv. vitians | no rank | 168 | 0 |
| united states | illinois | xanthomonas hortorum pv. pelargonii | no rank | 958 | 0 |
| united states | michigan | xanthomonas hortorum pv. pelargonii | no rank | 2635 | 0 |
| united states | montana | xanthomonas hortorum pv. pelargonii | no rank | 287 | 0 |
| united states | new york | xanthomonas hortorum pv. pelargonii | no rank | 318 | 0 |
| united states | new york | xanthomonas hortorum pv. taraxaci | no rank | 201 | 0 |
| united states | new york | xanthomonas hortorum pv. vitians | no rank | 133 | 0 |
| united states | ohio | xanthomonas hortorum | species | 74 | 0 |
| united states | ohio | xanthomonas hortorum pv. vitians | no rank | 293 | 0 |
| united states | oregon | xanthomonas hortorum pv. carotae | no rank | 3 | 0 |
| united states | pennsylvania | xanthomonas hortorum pv. pelargonii | no rank | 410 | 0 |
| united states | wisconsin | xanthomonas hortorum pv. pelargonii | no rank | 3131 | 0 |
| zimbabwe | | xanthomonas hortorum pv. vitians | no rank | 324 | 0 |