| Kingdom: Monera |
| Phylum: Proteobacteria |
| Class: Gammaproteobacteria |
| Order: Pseudomonadales |
| Family: Pseudomonadaceae |
| Genus: Pseudomonas |
| Subject: Pseudomonas syringae pv. aptata (Brown & Jamieson 1913) Young, Dye & Wilkie 1978 |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Caryophyllidae |
| Order: Caryophyllales |
| Family: Chenopodiaceae |
| Genus: Beta |
| Subject: Beta vulgaris L. |