| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Apium graveolens | Seed | -- | -- | * | |
| Lentinus edodes | Tissue Culture | -- | -- | * | |
| Lentinus edodes | Mycelium | -- | -- | * | |
| Lycopersicon esculentum | Fruit | -- | -- | * | |
| Momordica charantia | Seed | -- | -- | Jim Duke's personal files. | |
| Phyllanthus emblica | Fruit | -- | -- | * | |
| Psidium guajava | Fruit | -- | -- | * | |
| Rumex acetosella | Plant | -- | -- | * | |
| Urtica dioica | Stem | -- | -- | Jim Duke's personal files. | |
| Urtica dioica | Root | -- | -- | Jim Duke's personal files. | |
| Urtica dioica | Plant | -- | -- | * | |
| Urtica dioica | Leaf | -- | -- | Jim Duke's personal files. | |
| Vitis vinifera | Resin, Exudate, Sap | -- | -- | * | |
| Zea mays | Plant | -- | 0.014 | * |