| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Pimenta dioica | Plant | -- | 20.0 | -0.9 | * |
| Asparagus officinalis | Shoot | 19.0 | 200.0 | -0.9 | * |
| Cucumis melo | Fruit | 2.6 | 16.5 | -0.8 | * |
| Juglans cinerea | Seed | -- | 0.3 | -0.8 | * |
| Corylus avellana | Seed | -- | 0.8 | -0.8 | Furr, A.K., et al. 1979 |
| Pyrus communis | Fruit | 0.45 | 18.5 | -0.8 | * |
| Quercus rubra | Seed | -- | 1.3 | -0.8 | * |
| Carya ovata | Seed | -- | 2.5 | -0.8 | * |
| Carya illinoensis | Seed | -- | 2.5 | -0.8 | * |
| Cichorium endivia | Shoot | 140.0 | 240.0 | -0.8 | * |
| Cocos nucifera | Seed | -- | 2.8 | -0.8 | Furr, A.K., et al. 1979 |
| Anacardium occidentale | Seed | -- | 4.2 | -0.7 | * |
| Artemisia vulgaris | Plant | 28.0 | 50.0 | -0.7 | Chem. & Pharm. Bull. 38: 2205. |
| Polystichum polyblepharum | Plant | 20.0 | 60.0 | -0.6 | * |
| Juglans nigra | Seed | -- | 7.1 | -0.6 | Furr, A.K., et al. 1979 |
| Cinnamomum burmannii | Bark | -- | 60.0 | -0.6 | * |
| Pistacia vera | Seed | -- | 10.0 | -0.5 | * |
| Vitis vinifera | Fruit | 1.54 | 38.5 | -0.5 | * |
| Brassica pekinensis | Leaf | 190.0 | 420.0 | -0.4 | * |
| Quercus rubra | Stem | 20.0 | 330.0 | -0.4 | * |