| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Eruca sativa | Seed | -- | 48000.0 | 0.0 | * |
| Prunus persica | Bark | -- | 63000.0 | -0.5 | * |
| Rhodymenia palmata | Plant | -- | 182000.0 | 1.1 | * |
| Gleditsia triacanthos | Fruit | -- | 54000.0 | -0.1 | * |
| Paullinia cupana | Seed | -- | 14200.0 | -1.0 | Abstract (See species file) |
| Sterculia urens | Gum | -- | 59200.0 | 1.0 | * |
| Vitellaria paradoxa | Seed | -- | 18000.0 | -0.9 | * |
| Chondrus crispus | Plant | -- | 150000.0 | 0.5 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Juncus effusus | Leaf | -- | 36000.0 | -1.5 | * |
| Balanites aegyptiacus | Leaf | -- | 127000.0 | 0.1 | * |
| Cedrela odorata | Seed | -- | 83000.0 | 1.1 | * |
| Balanites aegyptiacus | Seed | -- | 33000.0 | -0.4 | * |
| Balanites aegyptiacus | Shoot | -- | 66000.0 | -0.8 | * |
| Mentha pulegium | Plant | -- | 73000.0 | -0.9 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Paullinia yoko | Bark | -- | 61000.0 | -0.5 | * |
| Acacia catechu | Leaf | -- | 98000.0 | -0.4 | * |
| Diospyros virginiana | Leaf | -- | 50000.0 | -1.2 | * |
| Anogeissus latifolia | Leaf | -- | 95000.0 | -0.4 | * |
| Symphytum officinale | Root | -- | 140000.0 | 2.1 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Hordeum vulgare | Stem | -- | 81000.0 | 0.6 | * |