| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Bertholletia excelsa | Seed | -- | 1.3 | 3.2 | Furr, A.K., et al. 1979 |
| Carya illinoensis | Seed | -- | 0.3 | 0.3 | * |
| Vigna unguiculata | Seed | 0.005 | 0.174 | -0.1 | * |
| Vigna unguiculata | Seed | 0.005 | 0.174 | -0.1 | * |
| Pistacia vera | Seed | -- | 0.1 | -0.3 | * |
| Prunus dulcis | Seed | -- | 0.1 | -0.3 | * |
| Juglans nigra | Seed | -- | 0.1 | -0.3 | Furr, A.K., et al. 1979 |
| Cocos nucifera | Seed | -- | 0.1 | -0.3 | Furr, A.K., et al. 1979 |
| Carya ovata | Seed | -- | 0.1 | -0.3 | * |
| Anacardium occidentale | Seed | -- | 0.1 | -0.3 | * |
| Juglans cinerea | Seed | -- | 0.02 | -0.6 | * |
| Corylus avellana | Seed | -- | 0.01 | -0.6 | Furr, A.K., et al. 1979 |