| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Abies sachalinensis | Branches | 3360.0 | 3780.0 | * | |
| Pinus sylvestris | Leaf Essent. Oil | 6500.0 | 62000.0 | 0.2 | * |
| Coriandrum sativum | Seed Essent. Oil | 15500.0 | 70100.0 | * | |
| Salvia officinalis | Leaf Essent. Oil | 16000.0 | 250000.0 | 2.7 | * |
| Valeriana officinalis | Leaf Essent. Oil | 18200.0 | 153000.0 | 1.4 | * |
| Salvia officinalis | Essential Oil | 19700.0 | 156000.0 | 0.6 | * |
| Rosmarinus officinalis | Essential Oil | 21000.0 | 223000.0 | 1.3 | * |
| Plectranthus barbatus | Essential Oil | 30000.0 | 239000.0 | 1.4 | * |