The Fagales are some of the best known trees which order include the bayberry, beech, birch, oak, she-oak, southern beech, ticodendron and walnut trees.

Betulaceae: the birch family of six genera with 167 species

Casuarinaceae: the she-oak family of four genera with 91 species

Fagaceae: the beech-oak family of eight genera with 927 species

Juglandaceae: the walnut family of ten genera with 50 species

Muyricaceae: the bayberry family of three genera with 55 species

Nothofagaceae: the southern beech family of one genus with 43 species

Ticodendraceae: the ticodendron family of one genus with one species

The Fagaceae is a family of flowering plants that includes beeches and oaks, in which are eight genera with about 927 species.

The Fagaceae plants found in temperate regions are mostly deciduous, which are plants that shed their leaves annually. However, of the Fagaceas plant found in the tropics, many species occur as evergreen trees and shrubs.

The Fagaceae plants are characterized by alternate simple leaves with pinnate venation, unisexual flowers in the form of catkins, and fruit in the form of cup-like (cupule) nuts. Their leaves are often lobed and both petioles and stipules are generally present. Their fruits lack endosperm and lie in a scaly or spiny husk that may or may not enclose the entire nut, which may consist of one to seven seeds.

The Fagaceae is one of the most ecologically important woody plant families in the Northern Hemisphere, as many species of oaks form the backbone of temperate forest in North America, Europe, and Asia and one of the most significant sources of wildlife fodder.

The Fagaceae family include the following eight genus:

Chestnuts, 8 species

Location: north temperate areas of Earth

Chiquapins or chinkapins, 125 to 130 species,

Location: tropical areas of southeast Asia

Golden Chinkapins, 2 species,

Location: north temperate areas western United States

Location: lower elevations of north Pacific Coast Ranges

Along Mountain ranges in Washington to north California

Location: high elevations in south Pacific Coast Ranges

Klamath, Sierra Nevada, San Gabriel, San Bernardino, and San Jancinto Mtns.

Beeches, 10 to 13 species in

Location: north temperate areas

East Asia, Southwest Asia, Southeast Europe eastern North America

Stone Oaks, 330 to 340 species,

Location: warm temperate to tropical Asia

Tanoaks, 1 species

Location: endemic to California and southwest Oregon

Oaks, about 600 species

Location: widespread Northern Hemisphere, and Indonesia