| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Lobelia inflata | Leaf | -- | 887000.0 | 0.4 | * |
| Lagenaria siceraria | Seed | -- | 24700.0 | -0.8 | * |
| Valerianella locusta | Plant | -- | 928000.0 | 0.7 | * |
| Annona cherimola | Seed | -- | 225000.0 | -0.0 | * |
| Rubus idaeus | Fruit | -- | 865700.0 | 0.4 | Revised USDA data received 1993. |
| Lupinus mutabilis | Fruit | -- | 714000.0 | -0.2 | * |
| Nigella sativa | Seed | -- | 55000.0 | -0.7 | * |
| Chondrus crispus | Plant | -- | 834000.0 | 0.3 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Crataegus laevigata | Fruit | -- | 721000.0 | -0.2 | * |
| Abelmoschus moschatus | Seed | -- | 114000.0 | -0.4 | Wealth of India. |
| Alpinia galanga | Rhizome | -- | 859000.0 | 0.8 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Canna indica | Root | -- | 668000.0 | -0.7 | * |
| Hydrastis canadensis | Root | -- | 723000.0 | -0.3 | * |
| Inula helenium | Root | -- | 780000.0 | 0.1 | * |
| Dioscorea villosa | Root | -- | 760000.0 | -0.1 | * |
| Piper betel | Leaf | -- | 854000.0 | 0.2 | * |
| Theobroma bicolor | Petiole | -- | 505900.0 | 1.0 | * |
| Viscum album | Leaf | -- | 798000.0 | -0.0 | * |