| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Capparis spinosa | Fruit | -- | 699.0 | 3.5 | Wealth of India. |
| Fucus vesiculosus | Plant | 64.0 | 540.0 | 2.2 | * |
| Pistacia vera | Seed | -- | 51.0 | 4.5 | * |
| Glycine max | Seed | 0.5 | 16.0 | 1.2 | * |
| Juglans nigra | Pericarp | 1.8 | 15.0 | * | |
| Juniperus virginiana | Shoot | 3.0 | 10.0 | 1.7 | * |
| Quercus phellos | Stem | 4.0 | 6.0 | 0.8 | * |
| Rhus glabra | Stem | 3.0 | 6.0 | 0.8 | * |
| Liquidambar styraciflua | Stem | 3.0 | 6.0 | 0.8 | * |
| Pinus echinata | Shoot | 4.0 | 6.0 | -0.2 | * |
| Symphoricarpos orbiculatus | Stem | 4.0 | 6.0 | 0.8 | * |
| Quercus alba | Stem | 2.0 | 6.0 | 0.8 | * |
| Lepidium meyenii | Root | -- | 5.0 | 1.0 | * |
| Quercus rubra | Stem | 2.0 | 5.0 | -1.3 | * |
| Carya glabra | Shoot | 2.0 | 5.0 | -0.7 | * |
| Quercus stellata | Stem | 3.0 | 5.0 | -1.3 | * |
| Quercus velutina | Stem | 2.0 | 5.0 | -1.3 | * |
| Carya ovata | Shoot | 2.0 | 5.0 | -0.7 | * |
| Cinnamomum sieboldii | Root Bark | -- | 4.0 | * | |
| Cinnamomum verum | Bark | -- | 3.0 | 1.0 | * |