| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Apium graveolens | Leaf | 1.0 | 44.0 | -0.3 | USDA's Ag Handbook 8 and sequelae) |
| Apium graveolens | Seed | 0.2 | 89.0 | 1.2 | * |
| Apium graveolens | Root | 2.8 | 70.0 | 2.0 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Arachis hypogaea | Seed | 31.0 | 35.0 | -0.3 | * |
| Arctium lappa | Root | 0.5 | 2.2 | -1.0 | * |
| Arctostaphylos uva-ursi | Leaf | -- | -- | * | |
| Areca catechu | Seed | -- | 16.0 | -0.8 | * |
| Arisaema consanguineum | Rhizome | -- | 14.0 | -0.4 | * |
| Aristolochia debilis | Fruit | -- | 40.0 | 0.3 | * |
| Armoracia rusticana | Root | 0.5 | 2.9 | -0.9 | * |
| Artemisia dracunculus | Plant | -- | -- | * | |
| Artemisia vulgaris | Plant | 50.0 | 90.0 | 0.4 | Chem. & Pharm. Bull. 38: 2205. |
| Artemisia cina | Plant | -- | -- | * | |
| Artemisia herba-alba | Plant | 10.0 | 21.0 | -0.3 | * |
| Artemisia capillaris | Plant | -- | 22.0 | -0.3 | * |
| Artocarpus altilis | Fruit | 1.2 | 8.0 | -0.7 | * |
| Artocarpus heterophyllus | Fruit | 4.0 | 16.0 | -0.4 | * |
| Asiasarum sieboldii | Root | 38.0 | 59.0 | 1.5 | * |
| Asiasarum heterotropoides | Root | 38.0 | 59.0 | 1.5 | * |
| Asimina triloba | Fruit | 9.0 | 38.0 | 0.2 | * |