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| douglasgran (Pseudotsuga douglasii (lindl.)carr., Pseudotsuga douglasii, Pseudotsuga menziesii, Pseudotsuga menziessii (Mirbel) franco, Pseudotsuga taxifolia (poir.)Britt. Ex Su Dworth, Pseudotsuga taxifolia, Douglas fir) | |||
| douglas: 3 phrases in 3 subjects |
| Forestry | 1 |
| General | 1 |
| Medical | 1 |