Kenneth N. Wiley has written: 'Site index tables for western hemlock in the Pacific Northwest' -- subject(s): Western hemlock, Site index (Forestry) 'Thinning of Western hemlock' -- subject(s): Thinning, Western hemlock
A western hemlock was extinct for millions of years.
western hemlock
Tsuga heterophylla
germination
Western hemlock
Edward Tyson Allen has written: 'The western hemlock' -- subject(s): Accessible book, Western hemlock, Forests and forestry
== == == == The bill designating the western hemlock (Pinaceae Tsuga heterophylla) was signed into law in 1947.
Hemlock tree are in the genus Tsuga, and there are several species. The Eastern Hemlock is called Tsuga canadensis, the Western Hemlock is called Tsuga heterophylla. There are several other species.
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The Latin name for the Western Hemlock tree is 'tsuga heterophylla.' It is native to the west coast of North America.
Donald Sachs has written: 'Management effects on nitrogen nutrition and long-term productivity of western hemlock stands' -- subject(s): FORCYTE (Computer program), Western hemlock