information about Pseudotsuga menziesii var. menziesii field
Pseudotsuga menziesii var. menziesii
http://en.wikipedia.org/wiki/Pseudotsuga_menziesii_var._menziesiiField Hierarchy
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Douglas fir 6,051 papers | |||
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Pseudotsuga menziesii var. menziesii papers | |||
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