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| pyrethrum | |||
| pyrethrum (Anacyclus pyrethrum, Chrysanthemum cinerariaefolium) | |||
| feverfew (Chrysanthemum parthenium Bernh., Matricaria parthenium L., Tanacetum parthenium) | |||
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| pyrethrins | |||
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pyrethres : 21 phrases, 8 sujets |
| Agriculture | 2 |
| Botanique | 5 |
| Commerce | 1 |
| Économie | 1 |
| Général | 3 |
| Horticulture | 5 |
| Ressources naturelles et conservation de la faune | 2 |
| Sciences naturelles | 2 |