List of Quercus species

Quercus hiholensis acorn UWBM 56470-3 Pigg & Wehr 2002 Plt2 fig16

Quercus is a genus of trees and shrubs, which includes the oaks and is part of the beech family, Fagaceae. There are approximately 500 species of Quercus spread throughout the northern hemisphere, including deciduous and evergreen species extending from cool temperate to tropical latitudes in the Americas, Asia, Europe, and North Africa. This article provides a list of Quercus species, highlighting the diversity and ecological significance of this genus.

List of Quercus Species

The genus Quercus is divided into several sections, including the well-known white oaks (Section Quercus) and red or black oaks (Section Lobatae). Below is a non-exhaustive list of some notable Quercus species, categorized by their respective sections.

Section Quercus (White Oaks)

• Quercus alba – White Oak
• Quercus robur – English Oak or Pedunculate Oak
• Quercus petraea – Sessile Oak
• Quercus garryana – Garry Oak or Oregon White Oak

Section Lobatae (Red or Black Oaks)

• Quercus rubra – Northern Red Oak
• Quercus velutina – Black Oak
• Quercus coccinea – Scarlet Oak
• Quercus falcata – Southern Red Oak

Section Cerris

• Quercus cerris – Turkey Oak
• Quercus suber – Cork Oak

Other Notable Species

• Quercus ilex – Holm Oak or Evergreen Oak
• Quercus agrifolia – Coast Live Oak
• Quercus virginiana – Southern Live Oak
• Quercus palustris – Pin Oak

Ecological and Economic Importance

Quercus species are of great ecological importance, providing habitat and food for numerous species of birds, mammals, and insects. Oaks are also valued for their timber, which is used in furniture, flooring, and for making wine barrels. The cork oak (Quercus suber) is especially important for the production of cork used in wine bottles and other products.

Conservation

Many Quercus species are threatened by habitat loss, climate change, and diseases such as sudden oak death. Conservation efforts are crucial to protect these keystone species and maintain biodiversity.

See Also

• Oak
• Fagaceae
• Tree
• Wood