| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Annona diversifolia | Fruit | 0.3 | 10.0 | 1.1 | * |
| Annona glabra | Fruit | 0.7 | 5.0 | -0.0 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Apium graveolens | Pt | -- | 34.0 | 1.3 | * |
| Apium graveolens | Seed | 0.1 | 0.6 | -1.1 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Apium graveolens | Fruit | 0.1 | 0.6 | -0.9 | * |
| Arachis hypogaea | Seed | 1.3 | 3.1 | -0.2 | * |
| Arachis hypogaea | Leaf | 5.8 | 27.0 | -0.1 | * |
| Aralia cordata | Leaf | 0.2 | 4.0 | -0.2 | * |
| Arctium lappa | Root | 0.8 | 3.4 | -0.1 | * |
| Arctostaphylos uva-ursi | Leaf | -- | -- | -0.2 | * |
| Areca catechu | Seed | 6.9 | 7.9 | 1.7 | * |
| Armoracia rusticana | Root | 4.0 | 20.0 | 3.5 | * |
| Arracacia xanthorrhiza | Root | 0.2 | 0.7 | -0.7 | * |
| Artemisia dracunculus | Plant | 13.0 | 14.0 | 0.2 | USDA's Ag Handbook 8 and sequelae) |
| Artemisia vulgaris | Leaf | 1.6 | 13.0 | -0.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Artocarpus altilis | Seed | 1.0 | 7.0 | 1.3 | * |
| Artocarpus altilis | Fruit | 0.3 | 1.0 | -0.9 | * |
| Artocarpus heterophyllus | Fruit | 1.0 | 4.0 | -0.2 | * |
| Asparagus officinalis | Shoot | 1.0 | 36.0 | 1.7 | * |
| Asparagus officinalis | Root | 2.4 | 24.0 | 4.4 | * |