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  2. Douglas fir - Wikipedia

    en.wikipedia.org/wiki/Douglas_fir

    The Douglas squirrel harvests and hoards great quantities of Douglas-fir cones, and also consumes mature pollen cones, the inner bark, terminal shoots, and developing young needles. [ 13 ] Mature or "old-growth" Douglas-fir forest is the primary habitat of the red tree vole ( Arborimus longicaudus ) and the spotted owl ( Strix occidentalis ).

  3. Fir - Wikipedia

    en.wikipedia.org/wiki/Fir

    Many are also decorative garden trees, notably Korean fir and Fraser's fir, which produce brightly coloured cones even when very young, still only 1–2 m (3 ft 3 in – 6 ft 7 in) tall. Many fir species are grown in botanic gardens and other specialist tree collections in Europe and North America.

  4. Spruce - Wikipedia

    en.wikipedia.org/wiki/Spruce

    The peg-like base of the needles, or pulvinus, in Norway spruce (Picea abies) Pulvini remain after the needles fall (white spruce, Picea glauca) Determining that a tree is a spruce is not difficult; evergreen needles that are more or less quadrangled, and especially the pulvinus, give it away. Beyond that, determination can become more difficult.

  5. Abies balsamea - Wikipedia

    en.wikipedia.org/wiki/Abies_balsamea

    The balsam fir is one of the greatest exports of Quebec and New England. It is celebrated for its rich green needles, natural conical shape, and needle retention after being cut, and it is notably the most fragrant of all Christmas tree varieties. [17] The balsam fir was used six times for the US Capitol Christmas Tree between 1964 and 2019. [11]

  6. Blue spruce - Wikipedia

    en.wikipedia.org/wiki/Blue_spruce

    The blue spruce (Picea pungens), also commonly known as Colorado spruce or Colorado blue spruce, is a species of spruce tree native to North America in Arizona, Colorado, Idaho, New Mexico, Utah and Wyoming. [4] It is noted for its blue-green colored needles, and has therefore been used as an ornamental tree in many places far beyond its native ...

  7. Picea abies - Wikipedia

    en.wikipedia.org/wiki/Picea_abies

    Picea abies, the Norway spruce [2] or European spruce, [3] is a species of spruce native to Northern, Central and Eastern Europe. [ 4 ] It has branchlets that typically hang downwards, and the largest cones of any spruce , 9–17 cm long.

  8. Picea mariana - Wikipedia

    en.wikipedia.org/wiki/Picea_mariana

    Balsam fir and northern white cedar, both more understory-tolerant species with deeper taproots, survive and eventually succeed the spruce in the absence of fire. [14] The spruce budworm, a moth larva, causes defoliation which kills trees if it occurs several years in a row, though black spruce is less susceptible than white spruce or balsam ...

  9. Abies holophylla - Wikipedia

    en.wikipedia.org/wiki/Abies_holophylla

    The leaves ("needles") are flattened, 2–4 cm (3 ⁄ 4 – 1 + 1 ⁄ 2 in) long and 1.5–2.5 mm (1 ⁄ 16 – 3 ⁄ 32 in) thick, spread at right angles from the shoot, and end in a point. [1] They spread on two sides, but not flat like for example in silver fir. Usually they more or less rise up forming with the shoot a V-shape empty ...