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  2. Willamette Valley ponderosa pine - Wikipedia

    en.wikipedia.org/wiki/Willamette_Valley...

    The Willamette Valley ponderosa pine is a population of the ponderosa pine (Pinus ponderosa) native to the Willamette Valley in Oregon. It is adapted for Western Oregon 's wet winter and dry summer. [ citation needed ]

  3. Pinus ponderosa - Wikipedia

    en.wikipedia.org/wiki/Pinus_ponderosa

    Pinus ponderosa subsp. ponderosa Douglas ex C. Lawson – Columbia ponderosa pine, North plateau ponderosa pine [32] Southeast British Columbia, eastern Washington State and Oregon east of the Cascade Range, 1,200–1,900 m (3,900–6,200 ft) in northeastern California, northwestern Nevada, Idaho and west of the Helena, Montana, transition zone.

  4. Lost Forest Research Natural Area - Wikipedia

    en.wikipedia.org/wiki/Lost_Forest_Research...

    Old growth ponderosa pine in Lost Forest. Lost Forest covers approximately 9,000 acres (36 km 2). It is a self-sustaining stand of ponderosa pines growing in the arid high desert, 40 miles (64 km) from the nearest contiguous pine forest. The Bureau of Land Management considers 4,153 acres (1,681 ha) to be prime forest land with large old-growth ...

  5. Ponderosa pine forest - Wikipedia

    en.wikipedia.org/wiki/Ponderosa_pine_forest

    Ponderosa pine forest is a plant association and plant community dominated by ponderosa pine and found in western North America. It is found from the British Columbia to Durango, Mexico . [ 1 ] In the south and east, ponderosa pine forest is the climax forest , while in the more northern part of its range, it can transition to Douglas-fir or ...

  6. Blue Mountains (ecoregion) - Wikipedia

    en.wikipedia.org/wiki/Blue_Mountains_(ecoregion)

    The region is dominated by Western ponderosa pine, lodgepole pine, Douglas-fir, and grand fir, with western larch, ninebark, snowberry, Rocky Mountain maple, serviceberry, mountain big sagebrush, low sagebrush, big huckleberry, grouse huckleberry, twinflower, prince's pine, elk sedge, and pinegrass. Higher elevations support subalpine fir.

  7. Ochoco Mountains - Wikipedia

    en.wikipedia.org/wiki/Ochoco_Mountains

    Ponderosa pine is the dominant tree species in most parts of the Ochoco Mountains. These pines are common at elevations from 3,000 to 6,000 feet (910 to 1,830 m) above sea level. Manzanita, antelope bitterbrush, and ceanothus are common shrubs in the pine-dominated areas with Idaho fescue and Ross' sedge as the main ground

  8. Eastern Cascades Slopes and Foothills - Wikipedia

    en.wikipedia.org/wiki/Eastern_Cascades_slopes...

    The dry continental climate supports open woodlands dominated by ponderosa pine and bitterbrush, with some Douglas-fir and Oregon white oak. Fire is an integral part of the ecosystem . The region covers 1,793 square miles (4,640 km 2 ) in Washington, mainly on land belonging to the Yakama Nation .

  9. Fremont National Forest - Wikipedia

    en.wikipedia.org/wiki/Fremont_National_Forest

    Ponderosa pine (Pinus ponderosa) The dominant conifer species of the east of the Cascade Range. Ponderosas range in height of mature trees range up to 232 feet in height, diameter trunks range from 30 to 50 inches and can live from 300 to 600 years. [19] Fire is a critical component to the ponderosa lifecycle.