| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Apium graveolens | Root | -- | 890000.0 | 0.8 | ACTA AGRIC SCAND SUPPL 22: 1980 |
| Arachis hypogaea | Leaf | -- | 785000.0 | -0.1 | * |
| Arachis hypogaea | Seed | 56000.0 | 422000.0 | 0.7 | * |
| Arachis hypogaea | Plant | 628000.0 | 842000.0 | 0.3 | * |
| Aralia cordata | Leaf | -- | 953000.0 | 0.7 | * |
| Arctium lappa | Root | -- | 765000.0 | -0.0 | * |
| Arctium lappa | Leaf | -- | 738000.0 | -0.3 | Wealth of India. |
| Arctostaphylos uva-ursi | Leaf | -- | 884000.0 | 0.4 | * |
| Areca catechu | Sprout Seedling | -- | 864000.0 | 0.5 | * |
| Areca catechu | Seed | 123000.0 | 313000.0 | 0.3 | * |
| Armoracia rusticana | Root | -- | 820000.0 | 0.3 | * |
| Arracacia xanthorrhiza | Root | -- | 711000.0 | -0.4 | * |
| Artemisia vulgaris | Leaf | -- | 873000.0 | 0.3 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Artocarpus heterophyllus | Latex Exudate | 650000.0 | 750000.0 | 0.7 | * |
| Artocarpus altilis | Fruit | 706000.0 | 891600.0 | 0.5 | * |
| Artocarpus heterophyllus | Fruit | 712740.0 | 772000.0 | 0.0 | * |
| Artocarpus heterophyllus | Seed | 516000.0 | 577000.0 | 1.3 | * |
| Artocarpus altilis | Seed | -- | 562700.0 | 1.3 | USDA's Ag Handbook 8 and sequelae) |
| Asimina triloba | Fruit | 695000.0 | 766000.0 | -0.0 | * |
| Asparagus officinalis | Plant | 914000.0 | 950000.0 | 0.8 | * |