 |
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| thuya occidental | |||
| thuya m (Thuja, Thuja occidentalis) | |||
| cèdre blanc Bursera altissima | |||
| arbre à vie (Thuja occidentalis); thuya du Canada (Thuja occidentalis) | |||
| cèdre blanc d'Amérique (Chamaecyparis thyoides, Cupressus thyoides) | |||
| white cedar: 9 phrases in 3 subjects |
| Botany | 3 |
| Natural resourses and wildlife conservation | 2 |
| Natural sciences | 4 |