| Kingdom: Viruses |
| Phylum: |
| Class: Single-stranded, positive-sense, RNA (Group IV) |
| Order: Unassigned single stranded positive-sense RNA viruses |
| Family: Potyviridae |
| Genus: Potyvirus |
| Subject: Potyvirus PRSV |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Dilleniidae |
| Order: Violales |
| Family: Caricaceae |
| Genus: Carica |
| Subject: Carica papaya L. |