Pseudotsuga

Pseudotsuga ə is a genus of evergreen coniferous trees in the family Pinaceae. Common names include Douglas fir, Douglas-fir, Douglas tree, and Oregon pine. Pseudotsuga menziesii is widespread in western North America and is an important source of timber. The number of species has long been debated, but two in western North America and two to fou...
Found on http://en.wikipedia.org/wiki/Pseudotsuga

Pseudotsuga

genus Pseudotsuga noun douglas fir; closely related to genera Larix and Cathaya
Found on https://www.encyclo.co.uk/local/20974

Pseudotsuga

[n] - douglas fir
Found on http://www.webdictionary.co.uk/definition.php?query=Pseudotsuga
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