| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Laburnum anagyroides | Flower | -- | -- | * | |
| Laburnum anagyroides | Seed | -- | -- | * | |
| Spartium junceum | Flower | -- | -- | * | |
| Spartium junceum | Fruit | -- | 6300.0 | * | |
| Sophora angustifolia | Seed | -- | -- | * | |
| Genista tinctoria | Shoot | -- | -- | * | |
| Baptisia tinctoria | Leaf | -- | -- | * | |
| Baptisia tinctoria | Root | -- | -- | * | |
| Baptisia tinctoria | Stem | -- | -- | * | |
| Cytisus scoparius | Seed | -- | -- | * | |
| Sophora japonica | Seed | -- | -- | * | |
| Ulex europaeus | Flower | -- | -- | ANON. 1948-1976. The Wealth of India raw materials. Publications and Information Directorate, CSIR, New Delhi. 11 volumes. | |
| Ulex europaeus | Plant | -- | 1000.0 | List, P.H. and Horhammer, L., Hager's Handbuch der Pharmazeutischen Praxis, Vols. 2-6, Springer-Verlag, Berlin, 1969-1979. | |
| Sophora secundiflora | Seed | -- | -- | * |