| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Allium ampeloprasum | Plant | -- | -- | * | |
| Althaea officinalis | Shoot | -- | -- | * | |
| Althaea officinalis | Root | -- | -- | * | |
| Ammi majus | Plant | -- | -- | * | |
| Anethum graveolens | Seed Essent. Oil | -- | -- | * | |
| Anethum graveolens | Seed | -- | -- | * | |
| Anethum graveolens | Fruit | -- | -- | * | |
| Anethum graveolens | Root | -- | -- | * | |
| Angelica archangelica | Root | -- | 200.0 | * | |
| Angelica archangelica | Plant | -- | -- | Pakistan Encyclopedia Planta Medica. 1986. | |
| Angelica archangelica | Fruit | -- | -- | * | |
| Angelica sinensis | Root | -- | -- | Chemical Constituents of Oriental Herbs (3 diff. books) | |
| Apium graveolens | Seed | -- | -- | * | |
| Artemisia abrotanum | Plant | -- | -- | * | |
| Artemisia vulgaris | Plant | -- | -- | Bisset, N.G., ed. 1994. Herbal Drugs and Phytopharmaceuticals. CRC Press. Boca Raton, FL. 566 pp. | |
| Artemisia dracunculus | Plant | -- | -- | Stitt, Paul. Why George should eat broccoli. | |
| Atropa bella-donna | Root | -- | -- | * | |
| Camellia sinensis | Leaf | -- | -- | * | |
| Carum carvi | Plant | -- | -- | Wealth of India. | |
| Carum carvi | Root | -- | -- | * |