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  • Arctostaphylos spp. and chamise Adenostoma fasciculatum or mixed coniferous forest with ponderosa pine Pinus ponderosa, incense-cedar Calocedrus decurrens, Douglas fir Pseudotsuga menziesii, white fir Abies concolor and California black oak Quercus kelloggii.

    Yosemite National Park, United States

  • Before cultivation and European settlement, the Puget Sound lowland forests were dominated by dense coniferous forests most commonly made up of western red cedar, western hemlock (Tsuga heterophylla), and Douglas-fir (Pseudotsuga menziesii).

    Puget lowland forests

  • Typical species are Douglas fir Pseudotsuga menziesii and lodgepole pine Pinus contorta (R).

    Waterton Lakes National Park, Canada

  • Upland regions of the Coos watershed are heavily forested with conifers, predominantly Sitka spruce (Picea sitchensis), Douglas fir (Pseudotsuga menziesii), western hemlock (Tsuga heterophylla), and Port Orford cedar (Chamaecyparis lawsoniana).

    South Slough National Estuarine Research Reserve, Oregon

  • Montane forests are made up of lodgepole pine, quaking aspen (Populus tremuloides), white spruce (P. glauca), and Douglas fir (Pseudotsuga menziesii) with a pine grass understory.

    Cascade Mountains leeward forests

  • Forest cover ranges from lodgepole pine (Pinus contorta) with quaking aspen (Populus tremuloides), white spruce (Picea glauca), and Douglas-fir (Pseudotsuga menziesii) on the plateau to Douglas-fir and pine grass at moderate mid-slope elevations.

    Okanagan dry forests

  • Other endemic or locally common rare conifers are from the genera Keteleeria, Pseudotsuga, Platycladus and Cunninghamia.

    Three Parallel Rivers of Yunnan Protected Areas, China

  • The major forest complex consists of Douglas-fir (Pseudotsuga menziesii) and western hemlock (Tsuga heterophylla), encompassing seral forests dominated by Douglas-fir and massive old-growth forests of fir, hemlock, western red cedar (Thuja plicata), and other species.

    Central Pacific coastal forests

  • Montane forests include lodgepole pine, trembling aspen (Populus tremuloides), white spruce (P. glauca) and Douglas-fir (Pseudotsuga menziesii).

    Fraser Plateau and Basin complex

  • Typical species include Douglas fir Pseudotsuga menziesii, white spruce, Picea glauca, aspen Populus tremuloides and poplar Populus balsamifera.

    Canadian Rocky Mountain Parks, Canada


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