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  2. California oak woodland - Wikipedia

    en.wikipedia.org/wiki/California_oak_woodland

    California oak woodland is a plant community found throughout the California chaparral and woodlands ecoregion of California in the United States and northwestern Baja California in Mexico. Oak woodland is widespread at lower elevations in coastal California; in interior valleys of the Coast Ranges, Transverse Ranges and Peninsular Ranges; and ...

  3. Quercus douglasii - Wikipedia

    en.wikipedia.org/wiki/Quercus_douglasii

    Quercus ransomii Kellogg. Quercus douglasii, known as blue oak, is a species of oak endemic to California, common in the Coast Ranges and the foothills of the Sierra Nevada. [4] It is California's most drought-tolerant deciduous oak, [5] and is a dominant species in the blue oak woodland ecosystem. It is occasionally known as mountain oak and ...

  4. Quercus lobata - Wikipedia

    en.wikipedia.org/wiki/Quercus_lobata

    Quercus lobata, commonly called the valley oak or roble, is the largest of the California oaks. It is endemic to the state, growing in interior valleys and foothills from Siskiyou to San Diego counties. [4] Deciduous, it requires year-round groundwater, [5][6] and may live up to 600 years. Its thick, ridged bark (resembling alligator hide) and ...

  5. Protected areas of California - Wikipedia

    en.wikipedia.org/wiki/Protected_areas_of_California

    The California Department of Parks and Recreation maintains over 270 protected areas, which include almost one-third of California's scenic coastline, including coastal wetlands, estuaries, beaches, and dune systems. The state parks system covers 1.3 million acres (5,300 km 2), with over 280 miles (450 km) of coastline, 625 miles (1,006 km) of ...

  6. Jurupa Oak - Wikipedia

    en.wikipedia.org/wiki/Jurupa_Oak

    Jurupa Oak. The Jurupa Oak, or Hurungna Oak, [1][2] is a clonal colony of Quercus palmeri (Palmer's oak) trees in the Jurupa Mountains in Crestmore Heights, Riverside County, California. The colony has survived an estimated 13,000 years through clonal reproduction, [3][4][5] making it one of the world's oldest living trees. [5]

  7. Quercus engelmannii - Wikipedia

    en.wikipedia.org/wiki/Quercus_engelmannii

    Quercus engelmannii is a small tree growing to 10 metres (33 feet) tall, generally evergreen, but may be drought- deciduous during the hot, dry local summers, and has a rounded or elliptical canopy. The bark is thick, furrowed, and light gray-brown. The leaves are leathery, 3–6 centimetres (– inches) long and 1–2 cm (– in) broad, of a ...

  8. Quercus garryana - Wikipedia

    en.wikipedia.org/wiki/Quercus_garryana

    Quercus garryana is an oak tree species of the Pacific Northwest, with a range stretching from southern California to southwestern British Columbia. [3] It is commonly known as the Garry Oak, Oregon white oak or Oregon oak. It grows from sea level to an altitude of 690 feet (210 metres) in the northern part of its range, and from 980 to 5,900 ...

  9. Elfin Forest Natural Area - Wikipedia

    en.wikipedia.org/wiki/Elfin_Forest_Natural_Area

    The native Coast live oak (Quercus agrifolia) trees compose an elfin forest, in a naturally harsh location with poor soil conditions, salt spray, and constant winds, that have stunted and directed their growth. They now compose a woodland of trees, with the largest between 200 and 400 years old, and range from a height of 20 feet (6.1 m) in ...