| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Tamarindus indica | Fruit Essent. Oil | -- | 101100.0 | * | |
| Camellia sinensis | Shoot | 15200.0 | 17800.0 | * | |
| Aspalathus linearis | Leaf Essent. Oil | -- | 17100.0 | * | |
| Zea mays | Husk Essent. Oil | -- | 13000.0 | * | |
| Zea mays | Silk Essent. Oil | -- | 1000.0 | * | |
| Tagetes minuta | Plant | 65.0 | 175.0 | * | |
| Carthamus tinctorius | Flower | -- | 1.22 | 1.0 | * |
| Lonicera japonica | Flower | 0.2 | 0.4 | -1.0 | 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. |
| Carthamus tinctorius | Leaf | -- | 0.07 | * | |
| Vaccinium myrtillus | Fruit Juice | -- | 0.003 | * | |
| Sarracenia flava | Essential Oil | -- | -- | * | |
| Diospyros virginiana | Fruit | -- | -- | * | |
| Zea mays | Seed Essent. Oil | -- | -- | * | |
| Mentha spicata | Leaf | -- | -- | Duke, J. A. Writeups or information summaries on approximately 2,000 economic plants, USDA, ARS, Beltsville, MD 20705. | |
| Lycopersicon esculentum | Fruit | -- | -- | * | |
| Helianthus annuus | Flower | -- | -- | * | |
| Sambucus nigra | Fruit | -- | -- | * | |
| Sambucus nigra | Leaf Essent. Oil | -- | -- | * | |
| Arctium lappa | Root | -- | -- | * | |
| Petroselinum crispum | Leaf | -- | -- | * |