| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Zizyphus jujuba | Fruit | 162000.0 | 830000.0 | 0.3 | * |
| Zizyphus spina-christi | Fruit | -- | 93000.0 | -2.9 | * |
| Zizyphus jujuba | Seed | -- | 213000.0 | -0.1 | * |
| Zingiber officinale | Rhizome | 93090.0 | 930000.0 | 1.0 | * |
| Zingiber officinale | Root | -- | 930000.0 | 1.1 | * |
| Zea mays | Seed | 100000.0 | 885000.0 | 2.5 | * |
| Zea mays | Silk Stigma Style | -- | 620000.0 | 1.0 | * |
| Yucca baccata | Root | -- | 792000.0 | 0.1 | * |
| Xanthosoma sagittifolium | Leaf | -- | 839000.0 | 0.2 | * |
| Xanthosoma sagittifolium | Root | 150000.0 | 770000.0 | 0.0 | * |
| Vitis vinifera | Stem | -- | 792000.0 | 0.2 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Vitis vinifera | Fruit | 761000.0 | 897000.0 | 0.5 | * |
| Viscum album | Leaf | -- | 798000.0 | -0.0 | * |
| Vigna subterranea | Seed | 101000.0 | 573000.0 | 1.3 | * |
| Vigna mungo | Seed | 98000.0 | 106000.0 | -0.5 | * |
| Vigna unguiculata | Shoot | -- | 897800.0 | 0.4 | USDA's Ag Handbook 8 and sequelae) |
| Vigna unguiculata | Seed | 83120.0 | 85480.0 | -0.5 | USDA's Ag Handbook 8 and sequelae) |
| Vigna radiata | Sprout Seedling | -- | 888140.0 | 0.8 | USDA's Ag Handbook 8 and sequelae) |
| Vigna angularis | Seed | -- | 134400.0 | -0.4 | * |
| Vigna unguiculata | Seed | 115600.0 | 668000.0 | 1.7 | USDA's Ag Handbook 8 and sequelae) |