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| árbol de la vida (Thuja, Thuja occidentalis) | |||
| almácigo CAM; Bursera altissima | |||
| tuya f (Thuja occidentalis) | |||
| camecíparis blanco americano (Chamaecyparis thyoides, Cupressus thyoides); falso ciprés blanco americano (Chamaecyparis thyoides, Cupressus thyoides) | |||
| white cedar: 8 phrases in 3 subjects |
| Botany | 2 |
| Natural resourses and wildlife conservation | 3 |
| Natural sciences | 3 |