| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Pueraria pseudohirsuta | Root | 1470.0 | 3690.0 | 0.6 | * |
| Foeniculum vulgare | Seed | 394.0 | 3650.0 | 0.3 | * |
| Cucurbita spp | Fruit | 230.0 | 3640.0 | 0.7 | * |
| Jussiaea repens | Plant | -- | 3590.0 | -0.1 | * |
| Raphanus sativus | Root | 85.0 | 3570.0 | 0.5 | * |
| Amomum xanthioides | Seed | -- | 3540.0 | 0.2 | * |
| Triticum aestivum | Seed | 530.0 | 3500.0 | 0.2 | * |
| Stevia rebaudiana | Leaf | -- | 3490.0 | -0.2 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Trifolium pratense | Flower | 628.0 | 3490.0 | 0.5 | * |
| Artemisia dracunculus | Plant | -- | 3470.0 | -0.2 | * |
| Phaseolus vulgaris | Seed | 510.0 | 3430.0 | 0.2 | * |
| Houttuynia cordata | Plant | -- | 3430.0 | -0.2 | Suziki, A., Morimoto, I., and Okitzu, T., Elution of Metals from Crude Drugs, Shoykugaku Zasshi 36(3):190-195. |
| Prunus domestica | Fruit | 68.0 | 3400.0 | 0.6 | * |
| Schizonepeta tenuifolia | Plant | -- | 3390.0 | -0.2 | * |
| Bertholletia excelsa | Seed | 1600.0 | 3370.0 | 0.2 | * |
| Cymbopogon citratus | Plant | -- | 3310.0 | -0.2 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Cucumis melo | Fruit | 92.0 | 3300.0 | 0.5 | * |
| Aspalathus linearis | Shoot | -- | 3300.0 | -0.6 | * |
| Citrus paradisi | Fruit | 15.0 | 3300.0 | 0.5 | * |
| Sinapis alba | Seed | 2863.0 | 3282.0 | 0.1 | * |