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The North American xeric region of over 95,751 sq mi (247,990 km 2) includes three major deserts, numerous smaller deserts, and large non-desert arid regions in the Western United States and in northeastern, central, and northwestern Mexico.
There are four major deserts in the United States, collectively forming the North American Desert. Each of the Great Basin, Mojave, Sonoran, and Chihuahuan deserts are located in the Western United States, with the latter two dipping into significant portions of Mexico.
North American Deserts of the USA. North American Deserts extend from British Columbia, Canada, in the north to Baja California, Mexico, in the south. They are characterized by aridity, with annual precipitation between 130 to 380 mm. Shrub, succulents, and cactus are the predominant vegetation.
There are four major North American deserts: the Great Basin Desert, Mojave Desert, Sonoran Desert and Chihuahuan Desert. All are located in the southwest of North America and correspond, roughly, with the geological region known as the Basin and Range Province.
Did you know that there are only four deserts in the US? Here we talk about the official and unofficial American deserts. Read more!
In most modern classifications, the deserts of the United States and northern Mexico are grouped into four distinct categories. These distinctions are made on the basis of floristic composition and distribution -- the species of plants growing in a particular desert region.
There are three major deserts on the continent of North America as well as many smaller deserts. Learn more about the major and minor deserts of North America.