Established
| Common name (English) | |
|---|---|
| Pulvinaria floccifera | Cottony camellia scale |
| Punica granatum | Pomegranate |
| Purpuradusta gracilis notata | |
| Pyrgulina pupaeformis | |
| Quadrastichus citrella | |
| Ranunculus bulbosus | |
| Raphanus sativus | Radish |
| Rattus norvegicus | Brown rat |
| Rattus rattus | Black rat |
| Rhaponticum repens | Russian knapweed |
| Rhinoclavis kochi | |
| Rhizobium radiobacter | |
| Rhopalapion longirostre | Hollyhock weevil |
| Rhopalosiphum maidis | Corn leaf aphid; Corn aphid |
| Rhopilema nomadica | Nomad jellyfish |
| Rhynchophorus ferrugineus | Red palm weevil; Asian palm weevil; Sago palm weevil |
| Ricinus communis | Castor bean |
| Rissoina bertholleti | |
| Robinia pseudoacacia | Black locust |
| Rodolia cardinalis | Vedalia beetle; Cardinal ladybird |