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Tsuga heterophylla --- silviculture --- Belgium
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North America --- Oregon --- Tsuga heterophylla --- USA --- Washington --- forestry --- shrubs --- trees
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Tsuga --- Tsuga --- Hemlock woolly adelgid --- Introduced insects --- Nonindigenous pests --- Diseases and pests --- Control --- Conservation --- Control --- Control --- Control
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GYM Gymnospermae --- Cathaya --- Gymnospermae = Gymnosperms --- Keteleeria --- Larix --- Picea --- Pseudolarix --- Pseudotsuga --- Tsuga
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Hemlock woolly adelgid --- Eastern hemlock --- Tsuga --- Biological control --- Diseases and pests --- Diseases and pests.
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Flora --- Flora --- Gymnospermae --- Gymnospermae --- Taxus --- Taxus --- Pinus --- Pinus --- Larix --- Larix --- Pseudotsuga --- Pseudotsuga --- Abies --- Abies --- Tsuga --- Tsuga --- Picea --- Picea --- Juniperus --- Juniperus --- Chamaecyparis --- Chamaecyparis --- Thuja --- Thuja --- Geographical distribution --- Geographical distribution --- ecology --- ecology --- USA --- USA --- North America --- North America --- New York --- New York
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Abietaceae --- Pinaceae --- Pinacées --- GYM Gymnospermae --- Abies --- Cathaya --- Cedrus --- Gymnospermae = Gymnosperms --- Keteleeria --- Larix --- Nothotsuga --- Picea --- Pseudolarix --- Pseudotsuga --- Tsuga --- descriptions --- illustrations
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BRI British Isles --- Aesculus --- British Isles --- Cedrela --- Cladrastis --- Gymnocladus --- Ireland --- Juglans --- Larix --- Pinus laricio --- Pterocarya --- Quercus --- Thiyopsis --- Tsuga --- habitat photographs --- landscape photographs --- sylviculture --- taxa descriptions --- taxa photographs --- trees
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Abies amabilis --- Abies grandis --- Abies lasiocarpa --- Acer macrophyllum --- Larix occidentalis --- Picea contorta --- Picea engelmanni --- Picea sitchensis --- Pseudotsuga douglasi --- Taxus brevifolia --- Thuja plicata --- Tsuga heterophylla --- USA --- Washington
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Tsuga heterophylla --- Forêt résineuse --- Coniferous forests --- Facteur lié au site --- site factors --- Développement biologique --- biological development --- Hauteur --- height --- Dendrométrie --- Forest mensuration --- USA --- 630*17 Douglas spar --- 630*181.6 --- (797) --- (795) --- $?$89/3 --- Natural forests --- Usa
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