| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Abelmoschus manihot | Leaf | 724.0 | 6241.0 | -0.8 | * |
| Abelmoschus esculentus | Seed | 2100.0 | 2820.0 | -0.2 | * |
| Abelmoschus esculentus | Fruit | 810.0 | 8100.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Abrus precatorius | Leaf | 1266.0 | 2660.0 | -1.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Acacia tortilis | Seed | -- | 5600.0 | 0.3 | * |
| Acacia senegal | Leaf | -- | 7500.0 | -0.7 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Acacia farnesiana | Leaf | 930.0 | 5003.0 | -0.9 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Acacia tortilis | Leaf | -- | 22700.0 | 0.3 | * |
| Acacia nilotica | Plant | -- | -- | * | |
| Acacia catechu | Leaf | -- | 27400.0 | 0.6 | * |
| Acacia tortilis | Fruit | -- | 7900.0 | 0.9 | * |
| Acacia farnesiana | Seed | 3900.0 | 5500.0 | 0.2 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Acalypha indica | Leaf | 6670.0 | 34205.0 | 1.1 | Wealth of India. |
| Acanthopanax gracilistylis | Root Bark | -- | 12600.0 | -0.6 | * |
| Achillea millefolium | Plant | 1535.0 | 8670.0 | -0.5 | * |
| Achyranthes bidentata | Root | 1130.0 | 52200.0 | 4.9 | * |
| Aconitum carmichaelii | Tuber | -- | 2550.0 | -0.4 | * |
| Acorus calamus | Rhizome | -- | 7040.0 | 0.0 | Chen, H.C. and Lin, S.M. 1988. Determination of Mineral Elements in Certain Crude Drugs (Part 1), Kaohsiung J. Med. Sci., 4: 259-272. |
| Acrocomia totai | Seed | -- | 800.0 | -0.6 | * |
| Acrocomia totai | Fruit | -- | 900.0 | -0.7 | * |