| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Achillea millefolium | Plant | -- | -- | Wealth of India. | |
| Acinos suaveolens | Shoot | -- | 50.0 | Jim Duke's personal files. | |
| Agastache rugosa | Leaf | -- | -- | Jim Duke's personal files. | |
| Agastache rugosa | Inflorescence | -- | -- | Jim Duke's personal files. | |
| Agastache nepetoides | Leaf | -- | -- | Jim Duke's personal files. | |
| Agastache foeniculum | Leaf | -- | -- | Jim Duke's personal files. | |
| Agastache nepetoides | Inflorescence | -- | -- | Jim Duke's personal files. | |
| Agastache foeniculum | Inflorescence | -- | -- | Jim Duke's personal files. | |
| Agrimonia eupatoria | Shoot | -- | -- | * | |
| Chrysanthemum x morifolium | Plant | -- | -- | * | |
| Chrysanthemum parthenium | Flower | -- | -- | * | |
| Cnicus benedictus | Shoot | -- | -- | Jim Duke's personal files. | |
| Cuminum cyminum | Seed | -- | 1500.0 | * | |
| Cynara cardunculus | Leaf | -- | -- | Jim Duke's personal files. | |
| Cynara cardunculus | Flower | -- | -- | Jim Duke's personal files. | |
| Cynara cardunculus | Stem | -- | -- | Jim Duke's personal files. | |
| Daucus carota | Leaf | -- | -- | * | |
| Glechoma hederacea | Plant | -- | -- | * | |
| Juniperus communis | Fruit | -- | -- | * | |
| Lawsonia inermis | Leaf | -- | -- | * |