| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Anethum graveolens | Shoot Essent. Oil | -- | 5000.0 | * | |
| Tanacetum parthenium | Fruit Essent. Oil | -- | 1300.0 | * | |
| Artemisia annua | Leaf | 50.0 | 680.0 | 1.0 | * |
| Salvia officinalis | Leaf | 85.0 | 476.0 | 0.3 | Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980. |
| Angelica archangelica | Root | -- | 34.0 | * | |
| Anethum graveolens | Leaf | 1.0 | 3.0 | -1.4 | * |
| Zea mays | Leaf | -- | -- | Duke, J. A. Writeups or information summaries on approximately 2,000 economic plants, USDA, ARS, Beltsville, MD 20705. | |
| Piper cubeba | Fruit | -- | -- | Chemical Constituents of Oriental Herbs (3 diff. books) | |
| Helianthus annuus | Flower | -- | -- | * |