• Thumbnail for Douglas fir
    The Douglas fir (Pseudotsuga menziesii) is an evergreen conifer species in the pine family, Pinaceae. It is the tallest tree in the Pinaceae family. It...
    31 KB (3,224 words) - 18:37, 24 April 2025
  • Thumbnail for Pseudotsuga
    fir, Douglas-fir, Douglas tree, Oregon pine and Bigcone spruce. Pseudotsuga menziesii (Douglas fir proper) is widespread in western North America and...
    18 KB (1,825 words) - 17:39, 5 April 2025
  • Thumbnail for Pseudotsuga menziesii var. menziesii
    Pseudotsuga menziesii var. menziesii, commonly known as Coast Douglas-fir, Pacific Douglas-fir, Oregon pine, or Douglas spruce, is an evergreen conifer...
    29 KB (3,097 words) - 21:51, 26 March 2025
  • Thumbnail for Pseudotsuga menziesii var. glauca
    Pseudotsuga menziesii var. glauca, or Rocky Mountain Douglas-fir, is an evergreen conifer native to the interior mountainous regions of western North...
    17 KB (1,955 words) - 13:36, 25 March 2025
  • Thumbnail for Arbutus menziesii
    Tod Provincial Park, British Columbia Trees growing with Pseudotsuga menziesii var. menziesii in Anacortes, Washington Mature trees at Deception Pass State...
    21 KB (2,146 words) - 02:02, 20 April 2025
  • Thumbnail for Pseudotsuga menziesii var. lindleyana
    Pseudotsuga menziesii var. lindleyana, commonly known as the Mexican Douglas-fir, is a conifer in the genus Pseudotsuga that is endemic to Mexico. DNA...
    4 KB (345 words) - 19:07, 11 January 2025
  • developed models of maximum height for Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) trees that yield similar estimates of 109 to 138 meters...
    27 KB (1,690 words) - 16:56, 31 March 2025
  • Thumbnail for Pseudotsuga macrocarpa
    period for that purpose. Some hybrids of Pseudotsuga macrocarpa (Bigcone Douglas-fir) × Pseudotsuga menziesii (Coast Douglas-fir) show promise for planting...
    13 KB (1,569 words) - 21:42, 5 January 2025
  • Thumbnail for List of superlative trees
    Park, California "Picea sitchensis". Gymnosperm Database. "Pseudotsuga menziesii var. menziesii". Gymnosperm Database. "The world's tallest known tropical...
    69 KB (4,372 words) - 05:17, 20 April 2025
  • Thumbnail for Limonene
    Pinus echinata, Pinus ponderosa), Pinus leucodermis, Douglas fir (Pseudotsuga menziesii), larches (Larix spp.), true firs (Abies spp.), hemlocks (Tsuga...
    19 KB (1,540 words) - 04:31, 8 April 2025
  • Thumbnail for Red Creek Fir
    The Red Creek Fir is a large Douglas fir (Pseudotsuga menziesii) tree located in the San Juan Valley of Vancouver Island in British Columbia, Canada....
    5 KB (367 words) - 19:05, 25 March 2025
  • Thumbnail for Big Lonely Doug
    Big Lonely Doug is a large Coast Douglas-fir (Pseudotsuga menziesii) tree located in the Gordon River Valley, 10km north of Port Renfrew on Vancouver...
    5 KB (294 words) - 22:22, 26 July 2024
  • Thumbnail for Wood
    77 Coast Douglas Fir Pseudotsuga menziesii var. menziesii Green 450 26.1 53 Coast Douglas Fir Pseudotsuga menziesii var. menziesii 12.00% 480 49.9 85 Interior...
    94 KB (8,952 words) - 04:17, 4 April 2025
  • including Washington. Adults emerge in April. The larvae feed on Pseudotsuga menziesii. They mine the twigs and tips of their host plant. Pupation takes...
    2 KB (67 words) - 19:41, 1 July 2024
  • Thumbnail for Doerner Fir
    Brummitt Fir, is a former record-setting Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) in Oregon, is one of the tallest known trees in the world...
    4 KB (299 words) - 21:42, 1 February 2025
  • Thumbnail for Temperate rainforest
    tallest tree. In the other ecoregions, Coast Douglas-fir (Pseudotsuga menziesii var. menziesii), Sitka Spruce (Picea sitchensis), Western Hemlock (Tsuga...
    55 KB (6,067 words) - 18:31, 17 April 2025
  • Thumbnail for Western conifer seed bug
    plants in the native range include conifers such as Douglas-fir (Pseudotsuga menziesii), ponderosa pine (Pinus ponderosa), lodgepole pine (Pinus contorta)...
    13 KB (1,487 words) - 08:42, 8 March 2025
  • Douglas-fir (Pseudotsuga menziesii) Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) Rocky Mountain Douglas-fir (Pseudotsuga menziesii var. glauca)...
    25 KB (1,626 words) - 08:02, 8 September 2024
  • Thumbnail for Hyalophora euryalus
    emarginata, Arctostaphylos, Alnus, Betula, Corylus, Ribes, Pseudotsuga menziesii, Arbutus menziesii, Liquidambar and Salix. Robinson, E. & Schmidt, B. C. "Species...
    2 KB (144 words) - 19:17, 24 July 2024
  • Thumbnail for Mycorrhizal network
    occurrence of ectomycorrhizas on Pseudotsuga menziesii seedlings grown in mature forests of Betula papyrifera and Pseudotsuga menziesii". New Phytologist. 136 (2):...
    62 KB (7,518 words) - 02:45, 21 April 2025
  • Thumbnail for Archibald Menzies
    Menziesia, a genus of shrubs in the Ericaceae, and the Douglas fir Pseudotsuga menziesii, the most commercially important tree in western North America....
    13 KB (1,485 words) - 10:14, 15 March 2025
  • Thumbnail for Black-tailed jackrabbit
    well known. However, black-tailed jackrabbits browse Douglas fir (Pseudotsuga menziesii), ponderosa pine (Pinus ponderosa), lodgepole pine (P. contorta)...
    32 KB (3,709 words) - 00:49, 24 April 2025
  • Thumbnail for Nooksack Giant
    The Nooksack Giant was a superlative Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) that grew at Loop's Ranch (now Alpenglow Farm) in Maple Falls...
    6 KB (730 words) - 21:57, 28 November 2024
  • Thumbnail for Douglas squirrel
    squirrels mostly eat seeds of coniferous trees such as Douglas fir (Pseudotsuga menziesii), Sitka spruce (Picea sitchensis) and shore pine (Pinus contorta)...
    9 KB (948 words) - 08:18, 4 March 2025
  • Thumbnail for Cascade Range
    year-round. The western slopes are densely covered with Douglas-fir (Pseudotsuga menziesii), western hemlock (Tsuga heterophylla) and red alder (Alnus rubra)...
    33 KB (3,682 words) - 01:30, 30 January 2025
  • Thumbnail for Hoh Rainforest
    height and 23 ft (7.0 m) in diameter. Coast Douglas-fir (Pseudotsuga menziesii var. menziesii), western red cedar (Thuja plicata), bigleaf maple (Acer...
    13 KB (1,151 words) - 18:05, 22 April 2025
  • Thumbnail for Conifer
    One year reproductive cycle: The genera include Abies, Picea, Cedrus, Pseudotsuga, Tsuga, Keteleeria (Pinaceae) and Cupressus, Thuja, Cryptomeria, Cunninghamia...
    49 KB (5,842 words) - 08:46, 23 April 2025
  • Thumbnail for Calgary
    exist within and around the city. The Rocky Mountain Douglas-fir (Pseudotsuga menziesii var. glauca) comes near the eastern limit of its range at Calgary...
    210 KB (19,934 words) - 23:27, 24 April 2025
  • Thumbnail for Fir
    2023-03-01. Retrieved 2023-03-01. Schar, Douglas (2015). "Douglas Fir, Pseudotsuga menziesii". Archives. Doctor Schar. Archived from the original on 2015-10-05...
    32 KB (2,448 words) - 23:32, 18 April 2025
  • Thumbnail for Northern California coastal forests
    Douglas-fir (Pseudotsuga menziesii var. menziesii), canyon live oak (Quercus chrysolepis), tanoak (Notholithocarpus densiflorus), madrone (Arbutus menziesii), California...
    19 KB (1,657 words) - 06:35, 21 January 2025