| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Citrus paradisi | Fruit | 3.3 | 220.0 | 2.6 | * |
| Quercus alba | Plant | 10.0 | 532.0 | 2.5 | * |
| Phaseolus lunatus | Seed | 1.0 | 100.0 | 2.5 | * |
| Nyssa sylvatica | Stem | 10.0 | 880.0 | 1.9 | * |
| Liquidambar styraciflua | Stem | 6.0 | 840.0 | 1.7 | * |
| Bertholletia excelsa | Seed | -- | 77.0 | 1.7 | Furr, A.K., et al. 1979 |
| Carya glabra | Shoot | 20.0 | 1100.0 | 1.7 | * |
| Petroselinum crispum | Plant | 285.0 | 396.0 | 1.6 | * |
| Diospyros virginiana | Leaf | 7.0 | 1000.0 | 1.5 | * |
| Lycopersicon esculentum | Fruit | -- | 140.0 | 1.2 | * |
| Nyssa sylvatica | Leaf | 7.0 | 910.0 | 1.2 | * |
| Vigna unguiculata | Seed | 2.0 | 60.0 | 1.1 | * |
| Vigna unguiculata | Seed | 2.0 | 60.0 | 1.1 | * |
| Carya ovata | Shoot | 12.0 | 900.0 | 1.1 | * |
| Brassica oleracea var. capitata l. | Leaf | 3.0 | 870.0 | 1.0 | * |
| Rhus glabra | Stem | 4.0 | 670.0 | 1.0 | * |
| Daucus carota | Root | 1.0 | 148.0 | 1.0 | * |
| Cinnamomum verum | Bark | -- | 80.0 | 1.0 | * |
| Cinnamomum sieboldii | Bark | -- | 80.0 | 1.0 | * |
| Citrus sinensis | Fruit | 0.054 | 110.0 | 0.7 | * |