| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Piper methysticum | Rhizome | 12000.0 | 13400.0 | * | |
| Piper methysticum | Plant | -- | -- | * | |
| Piper methysticum | Root | -- | 140.0 | * | |
| Piper methysticum | Resin, Exudate, Sap | -- | 22200.0 | * | |
| Piper methysticum | Stem | -- | -- | * | |
| Piper methysticum | Leaf | -- | 7100.0 | * |