| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Prunus laurocerasus | Leaf | -- | -- | * | |
| Ficus carica | Fruit | -- | -- | * | |
| Ficus carica | Leaf | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Trifolium pratense | Root | -- | -- | * | |
| Glycyrrhiza glabra | Root | -- | -- | * | |
| Trifolium pratense | Plant | -- | -- | * | |
| Eruca sativa | Hs | -- | -- | * | |
| Sambucus nigra | Flower Essent. Oil | -- | -- | * | |
| Sambucus nigra | Leaf Essent. Oil | -- | -- | * | |
| Prunus persica | Fruit | -- | -- | * | |
| Lonicera japonica | Flower | -- | -- | Schlotzhauer, W.S., S.D. Pair, and R.J. Horvat. 1996. Volatile constituents from the flowers of Japanese Honeysuckle. J. Agric. Food Chem. 44:206-209. | |
| Camellia sinensis | Leaf | -- | -- | * | |
| Citrullus colocynthis | Petiole | -- | -- | * | |
| Iris x germanica | Rhizome | -- | -- | * | |
| Sarracenia flava | Essential Oil | -- | -- | * |