| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Anacardium occidentale | Seed | 260.0 | 2650.0 | -0.1 | * |
| Pinus edulis | Seed | 2180.0 | 2650.0 | -0.1 | USDA's Ag Handbook 8 and sequelae) |
| Angelica sinensis | Root | 583.0 | 2650.0 | 0.0 | * |
| Nelumbo nucifera | Seed | 560.0 | 2650.0 | -0.1 | * |
| Psophocarpus tetragonolobus | Seed | 340.0 | 2623.0 | -0.1 | * |
| Lycium chinense | Root Bark | -- | 2610.0 | 0.8 | 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. |
| Brassica napus var. napobrassica | Root | 110.0 | 2610.0 | 0.0 | * |
| Asiasarum heterotropoides | Root | 2520.0 | 2600.0 | 0.0 | * |
| Asiasarum sieboldii | Root | 2520.0 | 2600.0 | 0.0 | * |
| Pisum sativum | Fruit | 218.0 | 2591.0 | 0.2 | * |
| Nardostachys chinensis | Rhizome | -- | 2590.0 | 1.0 | * |
| Blechnum orientale | Rhizome | -- | 2580.0 | 1.0 | * |
| Vigna radiata | Sprout Seedling | 176.0 | 2560.0 | 1.3 | USDA's Ag Handbook 8 and sequelae) |
| Rheum palmatum | Rhizome | 1980.0 | 2560.0 | 0.9 | * |
| Spirulina spp. | Plant | -- | 2550.0 | -0.5 | * |
| Spirulina pratensis | Plant | -- | 2550.0 | -0.5 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Petasites japonicus | Pt | 140.0 | 2545.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Taraxacum officinale | Leaf | 360.0 | 2500.0 | -0.6 | * |
| Passiflora incarnata | Flower | 275.0 | 2500.0 | -0.2 | * |
| Lophatherum gracile | Plant | -- | 2490.0 | -0.5 | * |