| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Inula helenium | Root | 99000.0 | 450000.0 | 0.7 | * |
| Arctium lappa | Root | 94000.0 | 500000.0 | 1.0 | * |
| Arnica montana | Rhizome | 90000.0 | 120000.0 | 1.0 | * |
| Cichorium intybus | Root | 80000.0 | 850000.0 | 2.6 | * |
| Echinacea spp | Root | 59000.0 | 200000.0 | -0.4 | * |
| Echinacea angustifolia | Root | 50000.0 | 90000.0 | -0.9 | * |
| Taraxacum officinale | Root | 42900.0 | 300000.0 | 0.1 | * |
| Echinacea purpurea | Root | 42670.0 | 170000.0 | -0.5 | * |
| Parthenium integrifolium | Root | 24000.0 | 150000.0 | -0.6 | * |
| Eupatorium perfoliatum | Plant | 13500.0 | 150000.0 | * | |
| Taraxacum mongolicum | Plant | -- | -- | * | |
| Arnica montana | Flower | -- | -- | * | |
| Taraxacum officinale | Plant | -- | -- | * | |
| Achillea millefolium | Plant | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Allium sativum var. sativum | Bulb | -- | -- | * | |
| Centaurea calcitrapa | Plant | -- | -- | * | |
| Cichorium intybus | Leaf | -- | -- | * | |
| Saussurea lappa | Root | -- | 180000.0 | -0.5 | * |
| Gentiana lutea | Root | -- | -- | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Tragopogon porrifolius | Root | -- | -- | * |