| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Salvia miltiorrhiza | Root | -- | 3230.0 | 0.4 | Chen, H.C. and Lin, S.M. 1988. Determination of Mineral Elements in Certain Crude Drugs (Part 1), Kaohsiung J. Med. Sci., 4: 259-272. |
| Verbascum thapsus | Leaf | 1421.0 | 3230.0 | -0.3 | * |
| Valerianella radicata | Plant | 2940.0 | 3226.0 | -0.3 | * |
| Senna obtusifolia | Seed | 2820.0 | 3220.0 | 0.1 | * |
| Rumex crispus | Root | 822.0 | 3200.0 | 0.3 | * |
| Eupatorium odoratum | Leaf | -- | 3200.0 | -0.4 | Tramil |
| Centella asiatica | Leaf | 342.0 | 3200.0 | -0.4 | * |
| Pulsatilla chinensis | Root | -- | 3190.0 | 0.3 | * |
| Rubus idaeus | Leaf | 539.0 | 3190.0 | -0.4 | * |
| Cassia tora | Seed | -- | 3180.0 | 0.1 | * |
| Valeriana officinalis | Root | 375.0 | 3180.0 | 0.3 | * |
| Xanthosoma sagittifolium | Leaf | 510.0 | 3170.0 | -0.4 | * |
| Petroselinum crispum | Plant | 250.0 | 3160.0 | -0.3 | * |
| Glycine max | Seed | 430.0 | 3160.0 | 0.1 | * |
| Corylus avellana | Seed | 1500.0 | 3156.0 | 0.1 | * |
| Brassica pekinensis | Leaf | 2850.0 | 3150.0 | -0.4 | * |
| Colocasia esculenta | Leaf | 200.0 | 3140.0 | -0.4 | * |
| Prunus dulcis | Seed | 2297.0 | 3126.0 | 0.1 | USDA's Ag Handbook 8 and sequelae) |
| Amorphophallus campanulatus | Root | 220.0 | 3120.0 | 0.3 | * |
| Viburnum opulus | Bark | -- | 3110.0 | 0.9 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |