| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Cinnamomum sieboldii | Root Bark | -- | 20.0 | 0.7 | * |
| Isatis tinctoria | Root | -- | 40.0 | 0.7 | * |
| Cinnamomum verum | Bark | 11.4 | 20.0 | 0.7 | * |
| Diospyros virginiana | Stem | 9.0 | 162.0 | 0.7 | * |
| Coriandrum sativum | Fruit | 34.0 | 52.0 | 0.7 | * |
| Prunus serotina | Leaf | 3.0 | 192.0 | 0.7 | * |
| Rubia cordifolia | Root | -- | 39.0 | 0.6 | * |
| Panax quinquefolius | Plant | 10.0 | 114.0 | 0.6 | * |
| Lepidium meyenii | Root | -- | 38.0 | 0.6 | Taylor, Leslie. 2005. The Healing Power of Rainforest Herbs. SquareOne Publisher, Garden City Park, NY. 519 pp. |
| Carum carvi | Seed | 47.0 | 66.0 | 0.6 | * |
| Anethum graveolens | Seed | 43.0 | 66.0 | 0.6 | USDA's Ag Handbook 8 and sequelae) |
| Vigna radiata | Sprout Seedling | 3.5 | 48.0 | 0.5 | USDA's Ag Handbook 8 and sequelae) |
| Sinapis alba | Seed | 27.0 | 61.0 | 0.5 | * |
| Brassica oleracea var. viridis l. | Leaf | 10.0 | 157.0 | 0.4 | * |
| Brassica oleracea var. gemmifera | Leaf | 10.0 | 157.0 | 0.4 | USDA's Ag Handbook 8 and sequelae) |
| Pisum sativum | Seed | 11.0 | 60.0 | 0.4 | * |
| Acanthopanax gracilistylis | Root Bark | -- | 19.0 | 0.4 | * |
| Viburnum opulus | Bark | -- | 17.0 | 0.4 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Fraxinus rhynchophylla | Bark | -- | 17.0 | 0.4 | * |
| Pimpinella anisum | Seed | -- | 59.0 | 0.4 | * |