Douglas fir and aspen forest

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Douglas fir and aspen forest is a plant community or vegetation type of the mountains of the western United States, dominated by Douglas fir ( Pseudotsuga menziesii ) and Quaking aspen ( Populus tremuloides ). [1]

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References

  1. Spatial patterns of Douglas-fir and aspen forest expansion; Sankey, Temuulen Tsagaan; New Forests;Jan2008, Vol. 35 Issue 1, p45