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| tsuga Tsuga (spp.); falso abeto Tsuga (spp.) | |||
| tsuga de Alberta (Tsuga heterophylla); tsuga del Pacífico (Tsuga heterophylla); tsuga heterofila (Tsuga heterophylla) | |||
| tsuga oriental (Tsuga canadensis); tsuga del Canadá (Tsuga canadensis) | |||
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tsuga : 10 phrases, 5 sujets |
| Agriculture | 1 |
| Antiparasitaire | 1 |
| Environnement | 2 |
| Ressources naturelles et conservation de la faune | 3 |
| Sylviculture | 3 |