Summary ²

An oak is a tree or shrub in the genus Quercus (/ˈkwɜːrkəs/; Latin "oak tree") of the beech family, Fagaceae. There are approximately 600 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably Lithocarpus (stone oaks), as well as in those of unrelated species such as Grevillea robusta (silky oaks) and the Casuarinaceae (she-oaks). The genus Quercus is native to the Northern Hemisphere, and includes de

Sources and Credits

1. (c) Robert Flogaus-Faust, some rights reserved (CC BY), http://commons.wikimedia.org/wiki/File:Quercus_robur_4_RF.jpg
2. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Quercus

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Encyclopedia of Earth
• Global Biodiversity Information Facility (GBIF)
• SEINet Symbiota portals
• Tropicos
• VASCAN by Canadensys

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