<P> 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 deciduous and evergreen species extending from cool temperate to tropical latitudes in the Americas , Asia , Europe , and North Africa . North America contains the largest number of oak species , with approximately 90 occurring in the United States , while Mexico has 160 species of which 109 are endemic . The second greatest center of oak diversity is China , which contains approximately 100 species . </P>
<P> 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 deciduous and evergreen species extending from cool temperate to tropical latitudes in the Americas , Asia , Europe , and North Africa . North America contains the largest number of oak species , with approximately 90 occurring in the United States , while Mexico has 160 species of which 109 are endemic . The second greatest center of oak diversity is China , which contains approximately 100 species . </P>
where do oak trees grow in the world
where do oak trees grow in the world
the Americas Asia Europe North Africa
the Americas Asia Europe North Africa