| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Centella asiatica | Shoot | -- | -- | Jim Duke's personal files. | |
| Eucalyptus globulus | Leaf Essent. Oil | -- | -- | * | |
| Eucalyptus nova-anglica | Leaf | -- | 11060.0 | -1.0 | Brophy, J. L., Lassak, E. V., & Boland, D. J. 1992. The Leaf Essential Oils of Eucalyptus nova-anglica. Deane & Maiden. Journal of Essential Oil Res. 4: 29-32. |
| Eucalyptus grandis | Leaf Essent. Oil | -- | 2000.0 | * | |
| Eucalyptus globulus | Leaf | -- | 28000.0 | 1.0 | * |
| Humulus lupulus | Fruit | -- | 5.0 | * | |
| Melaleuca alternifolia | Essential Oil | -- | 1800.0 | * | |
| Pimenta dioica | Plant | -- | -- | * |