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Green fir twig pictured on top of heart in the coat of arms of Laukaa. Wood of most firs is considered unsuitable for general timber use and is often used as pulp or for the manufacture of plywood and rough timber. It is commonly used in Canadian Lumber Standard graded wood. [19]
Douglas-fir is one of the world's best timber-producing species and yields more timber than any other species in North America, making the forestlands of western Oregon, Washington, and British Columbia the most productive on the continent. In 2011, Douglas-fir represented 34.2% of US lumber exports, to a total of 1.053 billion board-feet.
NCSU Inside Wood project; Reproduction of The American Woods: exhibited by actual specimens and with copious explanatory text by Romeyn B. Hough; US Forest Products Laboratory, "Characteristics and Availability of Commercially Important Wood" from the Wood Handbook Archived 2021-01-18 at the Wayback Machine PDF 916K; International Wood ...
Wood is a structural ... growth rings closely spaced in Rocky Mountain Douglas-fir. ... "dicot" or conifer timber in its gross handling characteristics is ...
Pseudotsuga / ˌ sj uː d oʊ ˈ t s uː ɡ ə / [1] is a genus of evergreen coniferous trees in the family Pinaceae (subfamily Laricoideae).Common names for species in the genus include Douglas fir, Douglas-fir, Douglas tree, Oregon pine and Bigcone spruce.
Abies balsamea or balsam fir is a North American fir, native to most of eastern and central Canada (Newfoundland west to central Alberta) and the northeastern United States (Minnesota east to Maine, and south in the Appalachian Mountains to West Virginia).