| Kingdom: Monera |
| Phylum: Proteobacteria |
| Class: Gammaproteobacteria |
| Order: Xanthomonadales |
| Family: Xanthomonadaceae |
| Genus: Xanthomonas |
| Subject: Xanthomonas campestris (Pammel 1895) Dowson 1939 |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Dilleniidae |
| Order: Violales |
| Family: Begoniaceae |
| Genus: Begonia |
| Subject: Begonia x hiemalis Fotsch [B. socotrana × B. × tuberhybrida] |