| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Juglans nigra | Seed | 790.0 | 1930.0 | 1.0 | * |
| Juglans regia | Seed | 60.0 | 205.0 | -1.0 | * |
| Juglans cinerea | Bark | -- | -- | * | |
| Juglans nigra | Leaf | 100.0 | 1850.0 | * | |
| Juglans nigra | Fruit | -- | 3350.0 | * | |
| Juglans nigra | Hull Husk | -- | -- | * | |
| Juglans nigra | Pericarp | -- | -- | * | |
| Juglans nigra | Plant | -- | -- | * | |
| Juglans regia | Testa | 1980.0 | 7630.0 | * | |
| Juglans regia | Leaf | -- | -- | * |