| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Aesculus hippocastanum | Leaf | -- | -- | Jim Duke's personal files. | |
| Aesculus hippocastanum | Seed Coat | 612.2 | 3066.7 | Jim Duke's personal files. | |
| Aesculus hippocastanum | Fruit Epidermis | -- | -- | Jim Duke's personal files. | |
| Camellia sinensis | Leaf | -- | 5.8 | -1.0 | * |
| Cinnamomum aromaticum | Bark | -- | -- | * | |
| Crataegus monogyna | Leaf | -- | -- | * | |
| Crataegus rhipidophylla | Fruit | -- | -- | * | |
| Crataegus laevigata | Fruit | -- | -- | * | |
| Crataegus laevigata | Flower | -- | -- | * | |
| Crataegus monogyna | Pericarp | -- | -- | * | |
| Fagopyrum esculentum | Root | -- | -- | * | |
| Fagopyrum esculentum | Tissue Culture | -- | -- | * | |
| Humulus lupulus | Fruit | -- | -- | * | |
| Laurus nobilis | Leaf | -- | -- | * | |
| Malus domestica | Pericarp | 15.0 | 100.0 | * | |
| Malus domestica | Fruit Juice | -- | -- | * | |
| Malus domestica | Fruit | 2.0 | 10.0 | * | |
| Malus domestica | Leaf | 150.0 | 900.0 | 1.0 | * |
| Polygonum multiflorum | Root | -- | -- | * | |
| Psidium guajava | Leaf | -- | -- | * |