| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Abelmoschus esculentus | Fruit | 730.0 | 7300.0 | 1.4 | USDA's Ag Handbook 8 and sequelae) |
| Acacia farnesiana | Leaf | 3440.0 | 18450.0 | 1.4 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Allium sativum var. sativum | Bulb | 6.15 | 7000.0 | -1.0 | * |
| Allium cepa | Bulb | 330.0 | 8597.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Allium schoenoprasum | Leaf | 1260.0 | 15830.0 | 0.8 | USDA's Ag Handbook 8 and sequelae) |
| Allium ampeloprasum | Plant | -- | -- | * | |
| Aloe vera | Leaf | -- | 15769.0 | 0.7 | * |
| Alpinia galanga | Leaf | -- | -- | * | |
| Althaea officinalis | Root | -- | -- | * | |
| Amaranthus sp. | Leaf | 1390.0 | 16722.0 | 1.0 | * |
| Anacardium occidentale | Seed | 7020.0 | 7141.0 | -0.6 | * |
| Ananas comosus | Fruit | 170.0 | 1259.0 | -1.0 | USDA's Ag Handbook 8 and sequelae) |
| Anastatica hierochuntica | Fruit | -- | -- | * | |
| Angelica sinensis | Root | -- | -- | Jim Duke's personal files. | |
| Angelica archangelica | Leaf | -- | -- | * | |
| Apium graveolens | Pt | 220.0 | 4665.0 | USDA's Ag Handbook 8 and sequelae) | |
| Arachis hypogaea | Seed | 10390.0 | 12137.0 | 0.4 | * |
| Arctium lappa | Root | 250.0 | 1250.0 | -1.1 | USDA's Ag Handbook 8 and sequelae) |
| Artemisia dracunculus | Plant | -- | -- | Stitt, Paul. Why George should eat broccoli. | |
| Artocarpus altilis | Seed | 3360.0 | 7685.0 | -0.5 | USDA's Ag Handbook 8 and sequelae) |