Quercus carmenensis, the Mexican oak, is a tree species native to Brewster County, Texas, and Coahuila, Mexico. It grows in pine-oak forests at elevations of . It is a deciduous species with gray bark and red twigs. The leaves are lanceolate with irregular lobing along the margins.Muller, Cornelius Herman. 1937. American Midland Naturalist 18(5): 847.
References
External links isotype of Quercus carmenensis, photo of herbarium specimen at Missouri Botanical Garden, collected in Coahuila in 1936