| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Artocarpus altilis | Seed | 1.0 | 7.0 | 1.3 | * |
| Apium graveolens | Pt | -- | 34.0 | 1.3 | * |
| Tragopogon porrifolius | Root | 1.0 | 10.0 | 1.3 | * |
| Trichosanthes anguina | Fruit | 0.6 | 11.0 | 1.3 | * |
| Yucca baccata | Bark | -- | 7.0 | 1.3 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Pisum sativum | Seed | 1.2 | 6.7 | 1.2 | * |
| Allium ampeloprasum | Flower | 1.9 | 11.2 | 1.2 | * |
| Berberis vulgaris | Root | -- | 9.4 | 1.2 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Raphanus sativus | Root | 0.3 | 9.3 | 1.1 | * |
| Brassica oleracea var. botrytis l. | Flower | 0.3 | 11.0 | 1.1 | * |
| Moringa oleifera | Shoot | 6.0 | 30.0 | 1.1 | USDA's Ag Handbook 8 and sequelae) |
| Durio zibethinus | Fruit | 2.0 | 10.0 | 1.1 | J Cell Biochem VOL. 22=1995 |
| Annona diversifolia | Fruit | 0.3 | 10.0 | 1.1 | * |
| Humulus lupulus | Fruit | -- | 10.0 | 1.1 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Chrysanthemum coronarium | Bud | 2.2 | 30.0 | 1.0 | * |
| Allium cepa | Bulb | 0.4 | 15.0 | 1.0 | * |
| Crocus sativus | Silk Stigma Style | 56.0 | 138.0 | 1.0 | * |
| Nasturtium officinale | Herb | 1.0 | 25.0 | 1.0 | * |
| Tropaeolum tuberosum | Root | 0.8 | 8.5 | 1.0 | * |
| Vicia faba | Seed | 1.1 | 6.0 | 0.9 | USDA's Ag Handbook 8 and sequelae) |