| Plant | Low PPM | High PPM | StdDev | *Reference | |
|---|---|---|---|---|---|
| Boehmeria nivea | Plant | 36000.0 | 39000.0 | 2.7 | * |
| Vigna aconitifolia | Plant | 23400.0 | 23700.0 | 1.1 | * |
| Glechoma hederacea | Plant | 21000.0 | 23000.0 | 1.0 | Chem. & Pharm. Bull. 38: 2205. |
| Valerianella radicata | Plant | 19884.0 | 24463.0 | 1.2 | * |
| Coffea arabica | Leaf | 19000.0 | 20406.0 | 0.1 | CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses |
| Origanum majorana | Plant | 17925.0 | 23625.0 | 1.1 | USDA's Ag Handbook 8 and sequelae) |
| Thymus vulgaris | Plant | 16935.0 | 22534.0 | 1.0 | USDA's Ag Handbook 8 and sequelae) |
| Azadirachta indica | Leaf | 16700.0 | 26500.0 | 0.6 | * |
| Morus alba | Root Bark | 16100.0 | 16500.0 | -0.3 | * |
| Limonia acidissima | Seed | 15800.0 | 16460.0 | 2.3 | Morton, J.F., Major Medicinal Plants. 1977. Atlas of Medicinal Plants of Middle America. Bahamas to Yucatan. 1981. |
| Trachyspermum ammi | Fruit | 15250.0 | 16469.0 | 2.9 | * |
| Peucedanum decursivum | Plant | 14400.0 | 30000.0 | 1.8 | * |
| Origanum vulgare | Plant | 14070.0 | 18794.0 | 0.6 | Lawrence, B.M., Essential Oils 1976-1977, Essential Oils 1978, Essential Oils 1979-1980. |
| Anethum graveolens | Seed | 14003.0 | 17671.0 | 2.5 | * |
| Anethum graveolens | Fruit | 14003.0 | 17671.0 | 3.2 | * |
| Papaver somniferum | Seed | 13807.0 | 16214.0 | 2.2 | * |
| Anthriscus cerefolium | Leaf | 13460.0 | 14509.0 | -0.3 | * |
| Petasites japonicus | Plant | 13000.0 | 14000.0 | 0.0 | Chem. & Pharm. Bull. 38: 2205. |
| Robinia pseudoacacia | Leaf | 12900.0 | 15000.0 | -0.2 | * |
| Oenothera biennis | Seed | 12700.0 | 18000.0 | 2.5 | * |