| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Achillea millefolium | Plant | 7080.0 | 40000.0 | -0.2 | * |
| Acrocomia totai | Seed | -- | 667500.0 | 2.1 | * |
| Acrocomia totai | Fruit | -- | 279400.0 | 1.5 | * |
| Actaea racemosa | Seed | 326000.0 | 451000.0 | 1.0 | * |
| Actaea racemosa | Root | -- | 15000.0 | -0.3 | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. |
| Actinidia chinensis | Fruit | 700.0 | 38400.0 | -0.3 | * |
| Aegle marmelos | Seed | -- | 119000.0 | -0.8 | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. |
| Aegle marmelos | Fruit | 2000.0 | 8860.0 | -0.6 | * |
| Aesculus hippocastanum | Seed | 30000.0 | 50000.0 | -1.1 | * |
| Aframomum melegueta | Seed | 10000.0 | 20000.0 | -1.3 | Wealth of India. |
| Aframomum melegueta | Fruit | -- | 20000.0 | -0.5 | Wealth of India. |
| Agave americana | Plant | -- | 13000.0 | -0.6 | * |
| Ageratum conyzoides | Seed | -- | 256000.0 | -0.0 | Wealth of India. |
| Agrimonia eupatoria | Seed | -- | 350000.0 | 0.4 | Watt, J.M. and Breyer-Brandwijk, M.G. 1962. The Medicinal and Poisonous Plants of Southern and Eastern Africa. E. & S. Livingstone, Ltd. Edinburg & London. 1457 pp. |
| Agrostemma githago | Seed | 58000.0 | 68000.0 | -1.0 | * |
| Ailanthus altissima | Seed | 555000.0 | 591000.0 | 1.7 | * |
| Akebia quinata | Seed | 180000.0 | 383000.0 | 0.6 | * |
| Albizia lebbeck | Seed | -- | 68000.0 | -1.0 | Wealth of India. |
| Albizia julibrissin | Seed | 85000.0 | 111000.0 | -0.8 | * |
| Albizia lebbeck | Leaf | 85000.0 | 160000.0 | 2.1 | Wealth of India. |