Quercus stellata, the post oak or iron oak, is a North American species of oak in the white oak section. It is a slow-growing oak that lives in dry areas on the edges of fields, tops of ridges, and also grows in poor soils, and is resistant to rot, fire, and drought. Interbreeding occurs among white oaks, thus many hybrid species combinations occur. It is identifiable by the rounded cross-like shape formed by the leaf lobes and hairy underside of the leaves.
Quercus gambelii, with the common name Gambel oak, is a deciduous small tree or large shrub that is widespread in the foothills and lower mountains of western North America. It is also regionally called scrub oak, oak brush, and white oak.
Quercus toumeyi, the Toumey oak, is a North American species of tree in the beech family. It is found in northwestern Mexico and the southwestern United States. It grows in Sonora, Chihuahua, Arizona, New Mexico, and the extreme westernmost tip of Texas.
Quercus glaucoides is an oak species in the white oak section, Quercus section Quercus, found in and endemic to eastern, central and southern Mexico.
Quercus turbinella is a North American species of oak known by the common names shruboak, turbinella oak, shrub live oak, and gray oak. It is native to Arizona, California, New Mexico, Utah, Colorado, and Nevada in the western United States. It also occurs in northern Mexico.
Quercus arizonica, the Arizona white oak, is a North American tree species in the beech family. It is found in Arizona, New Mexico, western Texas, Sonora, Chihuahua, Coahuila, Sinaloa, and Durango.
Quercus pungens, commonly known as the sandpaper oak or scrub oak, is a North American species evergreen or sub-evergreen shrub or small tree in the white oak group. There is one recognised variety, Quercus pungens var. vaseyana, the Vasey shin oak. Sandpaper oak hybridizes with gray oak in the Guadalupe Mountains of New Mexico and Texas.
Quercus grisea, commonly known as the gray oak, shin oak or scrub oak, is a North American species deciduous or evergreen shrub or medium-sized tree in the white oak group. It is native to the mountains of the southwestern United States and northern Mexico. It hybridises with four other oak species where the ranges overlap, the Arizona white oak (Q. arizonica), the Gambel oak (Q. gambelii), the Mohr oak (Q. mohriana) and the sandpaper oak (Q. pungens).
Quercus hypoleucoides, the silverleaf oak or the whiteleaf oak, is a North American species of oak tree or shrub. It grows in the southwestern United States and northern Mexico.
Quercus magnoliifolia, also known as encino amarillo, encino avellano, encino bermejo, encino blanco, encino napis, encino prieto, and roble, is a Mexican species of oak. It is widespread along the Pacific Coast of Mexico from Sinaloa to Chiapas, and also found inland as far as Zacatecas and Puebla.
Quercus chihuahuensis, the Chihuahua oak, is a species of oak in the beech family. It is native to the region from extreme western Texas west to Sonora, Mexico, and south to Zacatecas and San Luis Potosí. It grows mostly at mid elevations, from 400–2,000 metres above sea level, in forests mixed with various pines and other oaks. It is one of the dominant species of the Sierra Madre Occidental in Chihuahua and Sonora.
Quercus intricata, common name dwarf oak, intricate oak or Coahuila scrub oak, is a plant species native to northern Mexico and western Texas.
Quercus crassifolia is a species of oak. It is widespread in Mexico from Sonora and Chihuahua to Veracruz and Chiapas. It has also been found in Guatemala.
Quercus obtusata is an oak in the white oak group endemic to Mexico, with a distribution ranging from San Luis Potosí and Nayarit south to Oaxaca, from 620 to 2800 MSL.
Quercus peduncularis is an oak native to Mexico and Central America, ranging from Jalisco to Honduras.
Quercus calophylla is a Mesoamerican species of oak tree. It is native to mountain forests of central and southern Mexico, Guatemala, and El Salvador. It has incorrectly been known as Quercus candicans.
Quercus castanea is a species of oak tree. It is widespread across much of Mexico, from Sonora to Chiapas, and in Guatemala, El Salvador, and Honduras.
Quercus elliptica is a Mesoamerican species of oak tree. It is widespread across central and southern Mexico and Central America from Sinaloa and Hidalgo south as far as Nicaragua. It is classified in Quercus sect. Lobatae.
Quercus mexicana is a species of oak. It is widespread in eastern Mexico from Chiapas to Tamaulipas.
Quercus urbani, also known as Quercus urbanii, is a species of oak. It is native to western and central Mexico from Sinaloa, Durango, and Zacatecas to Oaxaca. It was previously synonymized with Quercus pennivenia, but this was restored as an independent species in 2020.
