| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Phyllanthus emblica | Fruit | 355.0 | 1757.0 | 1.0 | * |
| Physalis ixocarpa | Fruit | 140.0 | 1685.0 | -1.0 | * |
| Phoenix dactylifera | Seed | -- | 1610.0 | 1.4 | Abstract (See species file) |
| Echinacea spp | Root | -- | 760.0 | Economic & Medicinal Plant Research, 5: 253. | |
| Theobroma cacao | Seed | -- | 120.0 | -0.7 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Aloe vera | Leaf | 10.0 | 110.0 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry | |
| Cannabis sativa | Seed | 35.0 | 55.0 | -0.8 | * |