| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Abelmoschus esculentus | Fruit | 1450.0 | 14820.0 | 0.6 | * |
| Acacia senegal | Plant | -- | -- | Pakistan Encyclopedia Planta Medica. 1986. | |
| Acacia farnesiana | Plant | 7040.0 | 37770.0 | 1.3 | * |
| Allium sativum var. sativum | Bulb | 0.1 | 11736.0 | 1.0 | * |
| Allium cepa | Bulb | 640.0 | 6967.0 | -1.0 | USDA's Ag Handbook 8 and sequelae) |
| Allium sativum var. sativum | Leaf | -- | -- | * | |
| Allium schoenoprasum | Leaf | 2590.0 | 32400.0 | 0.3 | USDA's Ag Handbook 8 and sequelae) |
| Allium ampeloprasum | Plant | -- | -- | * | |
| Aloe vera | Leaf | -- | -- | Waller, G. R., Mangiafico, S., Ritchey, C. R. 1978. A Chemical Investigation of Aloe barbadensis. Proc. Okla. Acad. Sci. 58: 69-. | |
| Aloe vera | Plant | -- | -- | Pakistan Encyclopedia Planta Medica. 1986. | |
| Alpinia galanga | Leaf | -- | -- | * | |
| Amaranthus sp. | Leaf | 2290.0 | 27549.0 | 0.0 | * |
| Anacardium occidentale | Seed | 15050.0 | 15310.0 | -0.6 | * |
| Ananas comosus | Fruit | 293.0 | 4222.0 | -0.8 | * |
| Anastatica hierochuntica | Fruit | -- | -- | * | |
| Angelica archangelica | Leaf | -- | -- | * | |
| Angelica sinensis | Root | -- | -- | Jim Duke's personal files. | |
| Apium graveolens | Shoot | -- | -- | * | |
| Apium graveolens | Pt | 1130.0 | 23880.0 | USDA's Ag Handbook 8 and sequelae) | |
| Arachis hypogaea | Seed | 31900.0 | 36968.0 | 1.3 | * |