| new zealand | | xanthomonas campestris pv. armoraciae | no rank | 1 | 0 |
| tanzania | | xanthomonas campestris pv. armoraciae | no rank | 80 | 0 |
| trinidad and tobago | | xanthomonas campestris pv. armoraciae | no rank | 3 | 0 |
| united states | | xanthomonas campestris pv. armoraciae | no rank | 34 | 0 |