| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Euphrasia officinalis | Plant | 3.0 | 18.0 | 0.5 | * |
| Vigna unguiculata | Shoot | 1.8 | 17.0 | -0.1 | * |
| Peperomia pereskiifolia | Leaf | 2.5 | 17.0 | -0.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Vigna unguiculata | Shoot | 1.8 | 17.0 | -0.1 | USDA's Ag Handbook 8 and sequelae) |
| Anacardium occidentale | Fruit | 2.4 | 16.7 | 2.5 | * |
| Sonchus oleraceus | Leaf | 1.0 | 16.0 | -0.1 | * |
| Ipomoea aquatica | Leaf | 1.0 | 16.0 | -0.1 | * |
| Boehmeria nivea | Shoot | -- | 16.0 | -0.2 | * |
| Elaeagnus umbellatus | Fruit | 2.9 | 16.0 | 2.4 | * |
| Allium cepa | Bulb | 0.4 | 15.0 | 1.0 | * |
| Eryngium floridanum | Shoot | -- | 15.0 | -0.3 | * |
| Vigna radiata | Sprout Seedling | 1.0 | 15.0 | 0.2 | USDA's Ag Handbook 8 and sequelae) |
| Manihot esculenta | Leaf | 3.0 | 15.0 | -0.1 | * |
| Brassica chinensis | Leaf | 0.7 | 15.0 | -0.1 | * |
| Cucurbita pepo | Flower | 0.7 | 15.0 | 2.1 | USDA's Ag Handbook 8 and sequelae) |
| Brassica rapa | Leaf | 0.7 | 15.0 | -0.1 | USDA's Ag Handbook 8 and sequelae) |
| Glycine max | Sprout Seedling | 1.5 | 15.0 | 0.2 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Capsella bursa-pastoris | Plant | 1.7 | 14.4 | 0.2 | * |
| Medicago sativa | Plant | 2.7 | 14.2 | 0.2 | * |
| Morus alba | Fruit | 1.0 | 14.0 | 1.9 | * |