| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Phoenix dactylifera | Fruit | 10.0 | 1730.0 | -0.3 | * |
| Phyllanthus emblica | Fruit | 116.0 | 575.0 | -0.8 | * |
| Pinus pinea | Seed | 8780.0 | 11400.0 | 0.8 | * |
| Pinus edulis | Seed | 4240.0 | 4505.0 | -0.7 | USDA's Ag Handbook 8 and sequelae) |
| Pistacia vera | Seed | 7140.0 | 7427.0 | -0.1 | * |
| Pisum sativum | Fruit | 990.0 | 9792.0 | 3.1 | * |
| Pisum sativum | Seed | 1130.0 | 5345.0 | -0.6 | * |
| Plantago ovata | Seed | -- | -- | * | |
| Plantago major | Plant | -- | -- | * | |
| Portulaca oleracea | Herb | 220.0 | 4400.0 | -1.0 | * |
| Prunus persica | Fruit | 180.0 | 1458.0 | -0.4 | * |
| Prunus cerasus | Fruit | -- | -- | * | |
| Prunus dulcis | Seed | 7050.0 | 7374.0 | -0.1 | USDA's Ag Handbook 8 and sequelae) |
| Prunus armeniaca | Fruit | 290.0 | 2125.0 | -0.1 | USDA's Ag Handbook 8 and sequelae) |
| Prunus domestica | Fruit | 60.0 | 405.0 | -0.8 | USDA's Ag Handbook 8 and sequelae) |
| Psidium guajava | Fruit | 100.0 | 720.0 | -0.7 | USDA's Ag Handbook 8 and sequelae) |
| Psidium cattleianum | Fruit | 70.0 | 360.0 | -0.9 | * |
| Psophocarpus tetragonolobus | Leaf | 1260.0 | 5443.0 | -0.7 | * |
| Psophocarpus tetragonolobus | Tuber | 3530.0 | 8286.0 | 1.6 | * |
| Psophocarpus tetragonolobus | Seed | 14570.0 | 15896.0 | 1.9 | * |