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| Chemical Name | Dosage | Reference |
|---|---|---|
| BERBERASTINE | MIC=200 ug/ml | Duke, 1992 * |
| BERBERINE | MIC=200 ug/ml | Duke, 1992 * |
| MENTHOL | MIC=1.25 mg/ml | Duke, 1992 * |
| SWEROSIDE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Coptis spp | Generic Goldthread | 2 | 90, 000 |
| Cornus officinalis | Chinese Dogwood | 1 | 0 |
| Corydalis spp | Fumewort | 1 | 0 |
| Cymbopogon nardus | Ceylon Citronella; Citronella | 1 | 0 |
| Dipsacus fullonum | not available | 1 | 0 |
| Elytrigia repens | Couchgrass; Doggrass; Quackgrass; Wheatgrass; Twitchgrass | 1 | 190 |
| Eschscholzia californica | California Poppy | 1 | 0 |
| Eucalyptus citriodora | Lemon Eucalyptus; Lemon-Scented Gum; Spotted Gum; Citron-Scented Gum | 1 | 0 |
| Gentiana lutea | Yellow Gentian; Gentian | 1 | 0 |
| Glechoma hederacea | Alehoof | 1 | 0 |
| Hedeoma drummondii | Drummond's Pennyroyal | 1 | 10 |
| Hedeoma pulegioides | American Pennyroyal | 1 | 1, 030 |
| Helianthus annuus | Sunflower; Girasol | 1 | 620, 000 |
| Hydrastis canadensis | Goldenseal | 2 | 140, 000 |
| Hyptis suaveolens | Wild Hops | 1 | 0 |
| Juniperus communis | Common Juniper; Juniper | 1 | 44 |
| Levisticum officinale | Lovage | 1 | 0 |
| Macleaya cordata | Plume Poppy | 1 | 0 |
| Mahonia aquifolium | Oregon Grape; Blue Barberry; Holly Barberry; Holly Mahonia; Mountain Grape | 1 | 65 |
| Mahonia fargesii | not available | 1 | 0 |