Quercus ilex, the evergreen oak, holly oak or holm oak is a large evergreen oak native to the Mediterranean region. It is a member of the Ilex section of the genus, with acorns that mature in a single summer.
Quercus coccifera, the kermes oak, is an oak bush in the Ilex section of the genus. It has many synonyms, including Quercus calliprinos. 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, Balkans, and Greece, including Crete. The Kermes Oak was historically important as the food plant of Kermes scale insects, from which a red dye called crimson was obtained. The etymology of the specific name coccifera is related to the production of red cochineal (crimson) dye and derived from Latin coccum which was from Greek κόκκος, the kermes insect. The Latin -fera means 'bearer'.
Quercus canariensis, the Algerian oak, Mirbeck's oak or zean oak, is an oak native to southern Portugal, Spain, Tunisia, Algeria and Morocco. Despite the scientific name, it does not occur naturally today in the Canary Islands, though it may have in the past. It is placed in section Quercus.
Quercus alnifolia, commonly known as the golden oak, is an evergreen oak species of Cyprus. Its common English name refers to the golden coloured lower surface of its leaves. Quercus alnifolia belongs to the endemic flora of the island and it is confined to the igneous geological complex of the Troodos Mountains. In February 2006, the parliament of Cyprus selected the golden oak to be the country's national tree.
Quercus minima, the dwarf live oak or minimal oak, is a North American species of shrubs in the beech family. It is native to the southeastern United States. It is placed in the southern live oaks section of the genus Quercus.
Quercus geminata, commonly called sand live oak, is an evergreen oak tree native to the coastal regions of the subtropical southeastern United States, along the Atlantic Coast from southern Florida northward to southeastern Virginia and along the Gulf Coast westward to southern Mississippi, on seacoast dunes and on white sands in evergreen oak scrubs.
Quercus baloot, the holm oak or holly oak is a rare species of oak that was described by Griffith in 1848. It is classified in subgenus Cerris and section Ilex. It is native to the Himalayas from 1,000–3,000 metres (3,300–9,800 ft).
Quercus phillyreoides is a species of flowering plant in the genus Quercus, placed in subgenus Cerris and section Ilex. It is evergreen, withstands frost and can be grown in hardiness zone 7. It is native to southern China, the Ryukyu Islands, and Japan, and has been introduced to Korea.
Quercus semecarpifolia is an Asian species of oak. It is native to the Himalayas and nearby mountains in Tibet, Afghanistan, India, Nepal, and Pakistan, where it is referred to as kharsu. It is classified in subgenus Cerris, section Ilex.
Quercus augustinii is a rare species of tree in the beech family Fagaceae. It has been found in Vietnam as well as Guangxi, Guizhou, and Yunnan Provinces in southern China. It is placed in subgenus Cerris, section Cyclobalanopsis.
Quercus hypargyrea is an Asian species of tree in the beech family Fagaceae. It is native to south-central and southeast China, in particular the provinces of Anhui, Fujian, Guangxi, Hubei, Hunan, Jiangxi, Shaanxi, and Sichuan. It has incorrectly been known as Quercus multinervis, which is properly the name of a fossil species. It is placed in subgenus Cerris, section Cyclobalanopsis.
Quercus setulosa is the accepted name of an oak species in genus Quercus of the family Fagaceae. It is now placed in section Ilex of subgenus Cerris.
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 aquifolioides is a species of oak native to south-central China and Tibet. It is in the subgenus Cerris, section Ilex. It is a shrub or small tree adapted to high elevations.
Quercus floribunda, called the Moru oak or Mohru oak, Tilonj oak and green oak, is a species of oak native to Afghanistan, Pakistan, India's western Himalaya, and Nepal, typically found from 2,000 to 3,000 metres above sea level. It is in the subgenus Cerris, section Ilex. An evergreen tree with a dense crown reaching 30 m (98 ft), it is an important fuelwood and fodder species.
Quercus pannosa is a species of oak native to south-central China. An evergreen tree or shrub, it is found at very high elevations, flourishing at up to 4,270 metres above sea level. It is classified in subgenus Cerris, section Ilex.
Quercus spinosa is a species of oak native to central China, Taiwan and Myanmar, in the subgenus Cerris, section Ilex. An evergreen tree, its leaf traits may be adaptations to altitude. It is placed in section Ilex.
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 acrodonta is a species of flowering plant in the oak genus Quercus, family Fagaceae, native to central and southern China. It is typically found growing in valleys and on mountains 300 to 2,300 m above sea level. It is an evergreen tree, occasionally a shrub, reaching 15 m (50 ft), most of its structures are covered in a tomentose yellowish-gray layer. It is placed in section Ilex.
Quercus subgenus Cerris is one of the two subgenera into which the genus Quercus was divided in a 2017 classification. It contains about 140 species divided among three sections. It may be called the Old World clade or the mid-latitude clade; all species are native to Eurasia and North Africa.
