| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Allium cepa | Bulb | -- | -- | Itoh, T., Tamura, T., Mitsuhashi, T., Matsumoto, T. 1977. Sterols of Liliaceae. Phytochemistry, 16: 140-141. | |
| Avena sativa | Seed | -- | -- | * | |
| Avena sativa | Leaf | -- | -- | * | |
| Calendula officinalis | Sprout Seedling | -- | -- | * |