| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Zizyphus jujuba | Seed | 748000.0 | 950000.0 | 1.7 | * |
| Zizyphus spina-christi | Fruit | 806000.0 | 889000.0 | 0.6 | * |
| Zizyphus jujuba | Leaf | 72000.0 | 753000.0 | 1.1 | * |
| Zizyphus jujuba | Shoot | 753000.0 | 789000.0 | 1.1 | * |
| Zizyphus jujuba | Fruit | 145000.0 | 926000.0 | 0.8 | * |
| Zingiber officinale | Root | 47390.0 | 677000.0 | -2.0 | * |
| Zingiber officinale | Rhizome | 92000.0 | 823240.0 | 0.7 | * |
| Zea mays | Silk Stigma Style | -- | 825000.0 | 1.0 | * |
| Zea mays | Seed | 190209.0 | 838000.0 | 1.3 | * |
| Yucca baccata | Root | 170144.0 | 818000.0 | -0.2 | * |
| Xanthosoma sagittifolium | Root | 17000.0 | 976000.0 | 1.9 | * |
| Xanthosoma sagittifolium | Leaf | 53000.0 | 553000.0 | -0.5 | * |
| Vitis vinifera | Fruit | 177700.0 | 914095.0 | 0.7 | USDA's Ag Handbook 8 and sequelae) |
| Vitellaria paradoxa | Seed | -- | 382000.0 | -0.6 | * |
| Vigna unguiculata | Seed | 619000.0 | 676095.0 | 0.6 | USDA's Ag Handbook 8 and sequelae) |
| Vigna unguiculata | Seed | 218000.0 | 681771.0 | 0.6 | USDA's Ag Handbook 8 and sequelae) |
| Vigna radiata | Seed | 626200.0 | 688510.0 | 0.7 | USDA's Ag Handbook 8 and sequelae) |
| Vigna subterranea | Plant | -- | 748000.0 | 0.5 | * |
| Vigna mungo | Fruit | -- | 765000.0 | -0.1 | * |
| Vigna aconitifolia | Plant | 700000.0 | 737000.0 | 0.4 | * |