| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Rosa canina | Fruit | 10.0 | 25.0 | 0.4 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Rubus chamaemorus | Fruit | 3.0 | 38.0 | 1.4 | * |
| Solanum tuberosum | Tuber | 0.64 | 23.0 | ACTA AGRIC SCAND SUPPL 22: 1980 | |
| Sorbus aucubaria | Fruit | 3.0 | 33.0 | 1.1 | * |
| Spinacia oleracea | Leaf | 0.9 | 90.0 | 1.8 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Taraxacum officinale | Plant | 19.0 | 50.0 | 2.3 | Chem. & Pharm. Bull. 38: 2205. |
| Urtica dioica | Leaf | 3.2 | 17.8 | -0.9 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Vaccinium macrocarpon | Fruit | 0.5 | 3.5 | -1.2 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Vaccinium vitis-idaea | Fruit | 2.7 | 22.0 | 0.2 | * |
| Vaccinium myrtillus | Fruit | 5.0 | 60.0 | 3.1 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Vigna unguiculata | Seed | 13.0 | 39.0 | 1.9 | * |
| Vigna unguiculata | Seed | 13.0 | 39.0 | 1.9 | * |
| Vitis vinifera | Fruit | 0.4 | 5.5 | -1.0 | ACTA AGRIC SCAND SUPPL 22: 1980 |