| Kingdom: Viruses |
| Phylum: |
| Class: Single-stranded, positive-sense, RNA (Group IV) |
| Order: Picornavirales |
| Family: Unassigned Picornavirales virus |
| Genus: Sadwavirus |
| Subject: Sadwavirus SDV |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Rosidae |
| Order: Sapindales |
| Family: Rutaceae |
| Genus: Citrus |
| Subject: Citrus spp. L. |