| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Apium graveolens | Root | -- | 0.09 | -1.0 | * |
| Allium sativum var. sativum | Bulb | -- | -- | * | |
| Anethum graveolens | Leaf | -- | 0.16 | Wealth of India. | |
| Anethum graveolens | Root | -- | 7.9 | 1.0 | Wealth of India. |
| Corylus avellana | Seed | -- | 0.03 | -0.7 | Furr, A.K., et al. 1979 |
| Juglans nigra | Seed | -- | 0.04 | 1.4 | Furr, A.K., et al. 1979 |
| Quercus rubra | Seed | -- | 0.03 | -0.7 | * |