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Quercus ilicifolia, commonly known as bear oak or scrub oak, is a small shrubby oak native to the Eastern United States and, less commonly, in southeastern Canada. Its range in the United States extends from Maine to North Carolina , with reports of a few populations north of the international frontier in Ontario . [ 3 ]
California black oak leaf and bark. Quercus kelloggii typically grows from 9–25 meters (30–82 feet) in height and from 0.3–1.4 m (1– 4 + 1 ⁄ 2 ft) in diameter. Large trees may exceed 36 m (118 ft) in height and 1.6 m (5 ft 3 in) diameter, with the record holder measuring 38 m (124 ft) tall and 2.7 m (9 ft) thick (in the Siskiyou National Forest in Oregon). [2]
To combat this, the New River Gorge National Park and Preserve attempted controlled fires to burn off leaf litter of competing non-oaks without harming mature trees to encourage oak seed growth. Only the site of Backus Mountain showed positive effects of the controlled burns as oak seedlings grew in amount and maple seedlings reduced while all ...
Oak woodland in Lake County, Illinois. An oak woodland is a plant community with a tree canopy dominated by oaks (Quercus spp.).In terms of canopy closure, oak woodlands are intermediate between oak savanna, which is more open, and oak forest, which is more closed. [1]
Quercus gambelii, with the common name Gambel oak, is a deciduous small tree or large shrub that is widespread in the foothills and lower mountains of western North America. It is also regionally called scrub oak , oak brush , and white oak .
Quercus alba, the white oak, is one of the preeminent hardwoods of eastern and central North America. It is a long-lived oak, native to eastern and central North America and found from Minnesota, Ontario, Quebec, and southern Maine south as far as northern Florida and eastern Texas. [3]
Quercus brantii, Brant's oak, [4] is a species of oak native to Western Asia, mainly in Iran, Iraq, Syria, and Turkey. [5] [6] Quercus brantii (covering more than 50% of the Zagros Mountains forest steppe ecoregion) is the most important tree species of the Zagros in Iran. [7] Iranians use its seed in traditional medicine.
The valley oak may surpass 30 meters (98 feet) in height, with a sturdy trunk possibly exceeding 3 m (10 ft) in diameter. The "Henley Oak", in Covelo, California, is the tallest known valley oak, at 47 m (153 ft). [7] [8] The branches have an irregular, spreading and arching appearance.