| Kingdom: Monera |
| Phylum: Proteobacteria |
| Class: Gammaproteobacteria |
| Order: Xanthomonadales |
| Family: Xanthomonadaceae |
| Genus: Xanthomonas |
| Subject: Xanthomonas campestris (Pammel 1895) Dowson 1939 |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Liliopsida |
| Subclass: Commelinidae |
| Order: Cyperales |
| Family: Poaceae |
| Genus: Triticum |
| Subject: Triticum aestivum L. |