| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Nyssa sylvatica | Leaf | 0.2 | 182.0 | 3.4 | * |
| Zea mays | Seed | -- | 14.0 | 3.4 | * |
| Malus domestica | Fruit | 0.002 | 64.0 | 3.3 | * |
| Lycopersicon esculentum | Fruit | 0.003 | 60.0 | 3.1 | * |
| Taraxacum officinale | Root | 0.1 | 13.6 | 2.8 | * |
| Symphoricarpos orbiculatus | Stem | 2.0 | 176.0 | 2.3 | * |
| Fucus vesiculosus | Plant | -- | 91.0 | 2.2 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Vigna unguiculata | Seed | 0.4 | 8.4 | 1.7 | * |
| Vigna unguiculata | Seed | 0.4 | 8.4 | 1.7 | * |
| Juniperus virginiana | Shoot | 0.7 | 132.0 | 1.5 | * |
| Nyssa sylvatica | Stem | 0.1 | 132.0 | 1.3 | * |
| Prunus serotina | Leaf | 0.3 | 67.0 | 0.8 | * |
| Rhus copallina | Leaf | 0.2 | 67.0 | 0.8 | * |
| Prunus serotina | Stem | 0.2 | 108.0 | 0.8 | * |
| Carya glabra | Shoot | 2.0 | 103.0 | 0.8 | * |
| Phaseolus lunatus | Seed | 0.4 | 5.0 | 0.8 | * |
| Hypericum perforatum | Root | 4.0 | 5.0 | 0.6 | * |
| Rhus copallina | Stem | 0.2 | 92.0 | 0.5 | * |
| Phoenix dactylifera | Seed | 0.1 | 4.0 | 0.5 | Abstract (See species file) |
| Vigna mungo | Seed | -- | 3.832 | 0.4 | * |