| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Pistacia vera | Seed | 11.0 | 33.0 | 1.6 | * |
| Piper nigrum | Fruit | 9.0 | 20.0 | 0.6 | * |
| Pinus edulis | Seed | 10.0 | 12.0 | -0.3 | * |
| Pinus pinea | Seed | 10.0 | 11.0 | -0.3 | USDA's Ag Handbook 8 and sequelae) |
| Pinus echinata | Shoot | 0.8 | 2.1 | -1.4 | * |
| Pinellia ternata | Tuber | 2.0 | 4.0 | -1.1 | * |
| Pimpinella anisum | Seed | -- | 9.0 | -0.5 | USDA's Ag Handbook 8 and sequelae) |
| Pimenta dioica | Bud | 5.0 | 10.0 | USDA's Ag Handbook 8 and sequelae) | |
| Physalis peruviana | Fruit | 2.0 | 11.0 | -0.1 | * |
| Physalis ixocarpa | Fruit | 1.0 | 16.0 | 0.2 | * |
| Phyllanthus emblica | Fruit | 3.0 | 14.0 | 0.1 | * |
| Phoenix dactylifera | Seed | 0.6 | 2.0 | -1.2 | Abstract (See species file) |
| Phoenix dactylifera | Fruit | 2.0 | 4.0 | -0.7 | * |
| Phellodendron amurense | Bark | -- | 6.0 | -0.5 | * |
| Phaseolus lunatus | Seed | 3.0 | 15.0 | 0.0 | * |
| Phaseolus vulgaris | Seed | 2.0 | 15.0 | 0.0 | * |
| Phaseolus coccineus | Seed | -- | 0.7 | -1.3 | * |
| Phaseolus vulgaris | Fruit | 0.62 | 45.0 | 2.5 | * |
| Phaseolus acutifolius | Seed | 10.0 | 11.0 | -0.3 | * |
| Peucedanum decursivum | Plant | 9.0 | 10.0 | -0.4 | * |