| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Aloysia citrodora | Plant | 1.0 | 7.0 | -0.5 | Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980. |
| Alpinia galanga | Leaf Essent. Oil | -- | 11600.0 | -0.7 | * |
| Alpinia galanga | Rhizome | 5.0 | 555.0 | 0.2 | * |
| Alpinia galanga | Rhizome Essent. Oil | -- | 11600.0 | -0.5 | * |
| Alpinia galanga | Leaf | -- | 900.0 | -0.2 | * |
| Amomum xanthioides | Seed | -- | -- | * | |
| Amomum compactum | Seed | -- | 960.0 | -0.4 | Duke, J. A. and duCellier, J. L. 1993. CRC Handbook of Alternative Cash Crops. CRC Press. Boca Raton, FL 33431. 536 pp. US $312.50. |
| Anethum graveolens | Seed Essent. Oil | -- | -- | * | |
| Anethum graveolens | Shoot Essent. Oil | 17500.0 | 31700.0 | 2.0 | * |
| Anethum graveolens | Seed | 12.0 | 1001.0 | -0.4 | * |
| Anethum graveolens | Leaf | 25.0 | 405.0 | -0.2 | * |
| Anethum graveolens | Fruit | 24.0 | 1001.0 | -0.5 | * |
| Anethum graveolens | Essential Oil | -- | -- | * | |
| Angelica sinensis | Root | -- | -- | Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp. | |
| Angelica archangelica | Root Essent. Oil | -- | -- | * | |
| Angelica archangelica | Seed | 170.0 | 1500.0 | -0.3 | * |
| Angelica archangelica | Fruit | -- | -- | * | |
| Angelica archangelica | Root | 35.0 | 5890.0 | 2.2 | * |
| Angelica archangelica | Seed Essent. Oil | -- | 149000.0 | 0.3 | * |
| Aniba rosaeodora | Essential Oil | -- | -- | * |