| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Crataegus laevigata | Flower | -- | -- | * | |
| Nicotiana tabacum | Leaf | -- | -- | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. | |
| Tropaeolum majus | Pericarp | -- | -- | * | |
| Crataegus laevigata | Fruit | -- | -- | * | |
| Crataegus laevigata | Shoot | -- | -- | * | |
| Petroselinum crispum | Stem | -- | -- | * | |
| Crataegus laevigata | Bark | -- | -- | * | |
| Fagopyrum esculentum | Plant | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Persea americana | Fruit | -- | -- | * | |
| Phoenix dactylifera | Fruit | -- | -- | Abstract (See species file) | |
| Crataegus laevigata | Bud | -- | -- | * | |
| Sesamum indicum | Leaf | -- | -- | Watt, J.M. and Breyer-Brandwijk, M.G. 1962. The Medicinal and Poisonous Plants of Southern and Eastern Africa. E. & S. Livingstone, Ltd. Edinburg & London. 1457 pp. |