| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Brassica oleracea var. capitata l. | Leaf | -- | -- | * | |
| Lepidium meyenii | Root | -- | -- | * | |
| Lepidium meyenii | Seed | -- | -- | * | |
| Carica papaya | Fruit | -- | -- | Jim Duke's personal files. | |
| Carica papaya | Latex Exudate | -- | 116000.0 | Jim Duke's personal files. | |
| Alliaria petiolata | Plant | -- | -- | * |