| |||
| white cedar (Thuja, Thuja occidentalis) | |||
| western red cedar | |||
| Western red cedar (Libocedrus decurrens); thuja (Libocedrus decurrens) | |||
| |||
| arborvitae | |||
|
thuya : 27 phrases in 7 subjects |
| Botany | 5 |
| Chemistry | 1 |
| Entomology | 2 |
| Forestry | 1 |
| General | 1 |
| Natural resourses and wildlife conservation | 3 |
| Natural sciences | 14 |