| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Annona reticulata | Fruit | 4.0 | 47.0 | -0.3 | * |
| Annona cherimola | Fruit | 2.0 | 26.0 | -0.4 | * |
| Anthriscus cerefolium | Leaf | 320.0 | 345.0 | -0.0 | * |
| Apium graveolens | Seed | 25.0 | 571.0 | 2.0 | * |
| Apium graveolens | Root | 3.6 | 47.0 | -0.4 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Apium graveolens | Fruit | 25.0 | 120.0 | -0.1 | * |
| Apium graveolens | Pt | 3.0 | 347.0 | 1.3 | * |
| Arachis hypogaea | Seed | 21.0 | 42.0 | -0.5 | * |
| Arachis hypogaea | Leaf | 42.0 | 195.0 | -0.4 | * |
| Aralia cordata | Leaf | 3.0 | 64.0 | -0.8 | * |
| Arctium lappa | Root | 35.0 | 147.0 | -0.2 | * |
| Arctostaphylos uva-ursi | Leaf | 12.0 | 105.0 | -0.7 | * |
| Areca catechu | Seed | 15.0 | 70.0 | -0.4 | * |
| Areca catechu | Shoot | 20.0 | 147.0 | -0.5 | * |
| Arisaema consanguineum | Rhizome | -- | 600.0 | 0.7 | * |
| Aristolochia debilis | Fruit | -- | 190.0 | 0.2 | * |
| Armoracia rusticana | Root | 1.4 | 8.0 | -0.4 | * |
| Arracacia xanthorrhiza | Root | 9.0 | 31.0 | -0.4 | * |
| Artemisia vulgaris | Leaf | 15.0 | 118.0 | -0.6 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Artemisia capillaris | Plant | -- | 200.0 | -0.5 | * |