Quercus robur, the pedunculate oak, 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. It grows on soils of near neutral acidity in the lowlands and is notable for its value to natural ecosystems, supporting a very wide diversity of herbivorous insects and other pests, predators and pathogens.
Quercus pontica, the Pontine oak or Armenian oak, is a species of endangered oak currently extant to the western Caucasus mountains of Georgia and northeastern Turkey where it grows at altitudes of 1,300–2,100 metres.
Quercus gulielmi-treleasei is a species of plant in the family Fagaceae. It is found in Costa Rica and Panama. It is placed in section Lobatae.
Quercus tonduzii is a species of oak. It is endemic to Costa Rica. It is placed in section Lobatae.
Quercus vicentensis is a species of oak tree in the family Fagaceae, native to southern Mexico and northern Central America. It is placed in section Quercus.
Quercus ithaburensis subsp. macrolepis, the Valonia oak, is a subspecies of Quercus ithaburensis, a member of the beech family, Fagaceae. It may also be treated as a separate species, Quercus macrolepis.
Quercus ithaburensis, the Mount Tabor oak, is a tree in the beech family Fagaceae. It is found from southeastern Italy to the Palestine region. It is the national tree of Jordan. Two subspecies are accepted, Quercus ithaburensis subsp. ithaburensis and Quercus ithaburensis subsp. macrolepis. Together with Quercus brantii, it forms a clade of distinct, closely related species within the oak section Cerris.
Quercus acuta, the Japanese evergreen oak, is an oak native to Japan, South Korea, Taiwan, and China's Guizhou Province and Guangdong Province. It is placed in subgenus Cerris, section Cyclobalanopsis.
Quercus lanata, the woolly-leaved oak, is a species of Quercus native to southern and southeastern Asia, including India, Bhutan, Nepal, Indochina, and southwestern China. It is a large evergreen tree up to 30 metres tall. The leaves are thick and leathery, green on top but covered in thick wool on the underside. It is classified in subgenus Cerris, section Ilex.
Quercus rotundifolia, the holm oak or ballota oak, is an evergreen oak native to the western Mediterranean region, with the majority on the Iberian Peninsula and minor populations in Northwest Africa. The species was first described by Jean-Baptiste Lamarck in 1785. It is the typical species of the Iberian dehesa or montado, where its sweet-astringent acorns are a source of food for livestock, particularly the Iberian pig. Its acorns have been used for human nourishment since the Neolithic era. It is placed in section Ilex. Some authors described it as a subspecies of Quercus ilex.
Quercus pyrenaica, also known as Pyrenean oak, or Spanish oak is a tree native to southwestern Europe and northwestern North Africa. Despite its common name, it is rarely found in the Pyrenees Mountains and is more abundant in northern Portugal and north and northwestern Spain.
Quercus margarettae, the sand post oak or dwarf post oak, is a North American species of oak in the beech family. It is native to the southeastern and south-central United States from Virginia to Florida and west as far as Texas and Oklahoma. There are historical reports of the species growing in New York State, but it has not been seen there in years.
Quercus vulcanica is a species of flowering plant in the Fagaceae family. It is referred to by the common name Kasnak oak, and is a rare species of tree native to Lebanon, Syria, and Turkey. It is placed in section Quercus.
Quercus eduardi is a species of oak tree. Q. eduardi is found in Sierra Fría, Aguascalientes, Mexico, between 2,200 and 2,600 metres above sea level. It is placed in Quercus section Lobatae.
Quercus lowii is a species of oak (Quercus) native to the mountains of northern Borneo.
Quercus lineata is a species of Quercus (oak) in the beech family Fagaceae, belonging to subgenus Cerris, section Cyclobalanopsis. It was first described by Carl Ludwig von Blume.
Quercus look, also known as the look oak and the Mount Hermon oak is a species of oak in subgenus Cerris, section Cerris, native to the Levant region of Western Asia, including northern Israel, Lebanon, and Syria. Of the local oak species, it prefers to grow at the highest altitudes, for instance at c. 1800 m on Mount Hermon.
Quercus guyavifolia is a species of flowering plant in the family Fagaceae, native to south-central China. An evergreen tree reaching 15 m (50 ft), its leaves are golden-brown on their undersides, making it one of the most attractive of the golden oaks. It is placed in section Ilex.
Quercus kotschyana is a species of oak endemic to the mountains of Lebanon. It is placed in subgenus Quercus, section Quercus.
