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Quercus variabilis is a medium-sized to large deciduous tree growing to 25–30 metres (82–98 feet) tall with a rather open crown, and thick corky bark with deep fissures and marked by sinuous ridges.
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 ]
PLANTS Database. United States Department of Agriculture (USDA). Virginia Tech, Department of Forest Resources and Environmental Conservation: Cherrybark oak; Nature Serve: Quercus pagoda; A Tree A Day: Louisiana oak or Quercus ludoviciana; photo of herbarium specimen at Missouri Botanical Garden, collected in Missouri in 1990
A tree plantation, forest plantation, plantation forest, timber plantation or tree farm is a forest planted for high volume production of wood, usually by planting one type of tree as a monoculture forest. The term tree farm also is used to refer to tree nurseries and Christmas tree farms.
Quercus sumatrana is an oak native to the islands of Sumatra and Borneo in Indonesia and Malaysia.On Borneo, it is reported from Sarawak, Sabah and East Kalimantan.This is a very large emergent tree up to 60 m (200 ft) tall, growing in mixed dipterocarp forest up to 1,400 m (4,600 ft) elevation.
Quercus polymorpha, the Mexican white oak, Monterrey oak or netleaf white oak, is a North American species of oak.It is widespread in Mexico, Guatemala, and Honduras, and known from a single population in the United States (about 30 kilometres or 19 miles north of the Río Grande in Val Verde County, Texas) but widely planted as an ornamental.
Quercus robur, the pedunculate oak or English oak, [3] [4] is a species of flowering plant in the beech and oak family, Fagaceae. It is a large tree, native to most of Europe and western Asia , and is widely cultivated in other temperate regions.
Quercus coccifera, the kermes oak or holly oak, [3] is an oak shrub or tree in section Ilex of the genus. [4] It has many synonyms, including Quercus calliprinos. [2] It is native to the Mediterranean region and Northern African Maghreb, south to north from Morocco to France and west to east from Portugal to Cyprus and Turkey, crossing Spain, Italy, Libya, the Balkans, and Greece, including Crete.