| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Anethum graveolens | Root | -- | -- | * | |
| Apium graveolens | Fruit Essent. Oil | 50000.0 | 72000.0 | * | |
| Apium graveolens | Root | -- | 30.0 | * | |
| Apium graveolens | Seed | 190.0 | 1800.0 | * | |
| Angelica sinensis | Root | -- | -- | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. | |
| Scutellaria baicalensis | Root Essent. Oil | -- | -- | * | |
| Apium graveolens | Seed Essent. Oil | 25600.0 | 72000.0 | * |