| Kingdom: Other damage agents |
| Phylum: |
| Class: Other damage agents |
| Order: Abiotic |
| Family: Nutrient toxicity |
| Subject: boron toxicity |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Rosidae |
| Order: Sapindales |
| Family: Rutaceae |
| Genus: Citrus |
| Subject: Citrus x sinensis (L.) Osbeck (pro sp.) [maxima × reticulata] |