| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Salix alba | Bark | 18480.0 | 110000.0 | 1.1 | * |
| Hydrastis canadensis | Root | 18282.0 | 66000.0 | -0.0 | * |
| Cucurbita maxima | Leaf | 18200.0 | 129100.0 | 0.2 | * |
| Phytelephas aequatorialis | Mesocarp | 18200.0 | 154295.0 | KOZIOL & PEDERSEN. 1993. PHYTELEPHAS AEQUATORIALIS(ARECACEAE) IN HUMAN AND ANIMAL NUTRITION. ECON. BOT. 47:401-307. | |
| Theobroma angustifolium | Seed | 18200.0 | 44600.0 | -0.1 | * |
| Gentiana lutea | Root | 18040.0 | 82000.0 | 0.4 | * |
| Avena sativa | Plant | 18040.0 | 82000.0 | -0.7 | * |
| Secale cereale | Seed | 18000.0 | 24650.0 | -0.7 | USDA's Ag Handbook 8 and sequelae) |
| Taraxacum officinale | Leaf | 18000.0 | 205000.0 | 1.5 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Lepidium sativum | Leaf | 18000.0 | 169800.0 | 0.9 | * |
| Vigna subterranea | Seed | 18000.0 | 42000.0 | -0.2 | * |
| Tetragonia tetragonioides | Leaf | 18000.0 | 300000.0 | 3.2 | * |
| Achillea millefolium | Plant | 17700.0 | 100000.0 | -0.4 | * |
| Cnicus benedictus | Plant | 17689.0 | 133000.0 | 0.2 | * |
| Phytelephas aequatorialis | Flower | 17000.0 | 58220.0 | -0.2 | KOZIOL & PEDERSEN. 1993. PHYTELEPHAS AEQUATORIALIS(ARECACEAE) IN HUMAN AND ANIMAL NUTRITION. ECON. BOT. 47:401-307. |
| Corylus avellana | Seed | 17000.0 | 50000.0 | 0.1 | * |
| Pothomorphe sp. | Leaf | 17000.0 | 95000.0 | -0.4 | * |
| Foeniculum vulgare | Plant | 17000.0 | 170000.0 | 0.9 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Cnidoscolus chayamansa | Leaf | 17000.0 | 130000.0 | 0.2 | * |
| Pinus echinata | Shoot | 17000.0 | 42000.0 | -1.4 | * |