| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Hydrangea arborescens | Root | -- | -- | * | |
| Rosa canina | Fruit | -- | -- | * | |
| Trigonella foenum-graecum | Seed | -- | -- | * | |
| Bupleurum chinense | Root | -- | -- | * | |
| Ruscus aculeatus | Bark | -- | -- | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. | |
| Valeriana officinalis | Root | -- | -- | * | |
| Humulus lupulus | Flower | -- | -- | * | |
| Borago officinalis | Plant | -- | -- | Abstract (See species file) | |
| Actaea racemosa | Root | -- | -- | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. | |
| Caulophyllum thalictroides | Root | -- | -- | * | |
| Ulmus rubra | Bark | -- | -- | * | |
| Arctostaphylos uva-ursi | Leaf | -- | -- | * | |
| Schisandra chinensis | Fruit | -- | -- | * | |
| Tanacetum parthenium | Plant | -- | -- | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. | |
| Crataegus laevigata | Fruit | -- | -- | * | |
| Artemisia dracunculus | Plant | -- | -- | * | |
| Berberis vulgaris | Root | -- | -- | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. | |
| Panax ginseng | Leaf | -- | -- | * |