| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Medicago sativa | Fruit Juice | -- | 2200.0 | * | |
| Medicago sativa | Shoot | -- | 24.4 | * | |
| Oryza sativa | Petiole | -- | 0.066 | * | |
| Avena sativa | Leaf | -- | -- | * | |
| Arundo donax | Plant | -- | -- | * | |
| Hordeum vulgare | Shoot | -- | -- | * | |
| Oryza sativa | Plant | -- | -- | * | |
| Medicago sativa | Plant | -- | -- | * | |
| Polygonum multiflorum | Tuber | -- | -- | * | |
| Ephedra sinica | Shoot | -- | -- | Jim Duke's personal files. | |
| Triticum aestivum | Plant | -- | -- | * |