The Chihuahuan Desert is a desert and ecoregion designation covering parts of northern Mexico and the southwestern United States. It occupies much of West Texas, parts of the middle and lower Rio Grande Valley and the lower Pecos Valley in New Mexico, and a portion of southeastern Arizona, as well as the central and northern portions of the Mexican Plateau. It is bordered on the west by the extensive Sierra Madre Occidental range, along with northwestern lowlands of the Sierra Madre Oriental range. On the Mexican side, it covers a large portion of the state of Chihuahua, along with portions of Coahuila, north-eastern Durango, the extreme northern part of Zacatecas, and small western portions of Nuevo León. With an area of about 362,000 km2 (139,769 sq mi), it is the second largest desert of the Americas and the largest in North America.
Agave parryi, known as Parry's agave or mescal agave, is a flowering plant in the family Asparagaceae. It is a slow-growing succulent perennial native to Arizona, New Mexico, and northern Mexico.
Bouteloua curtipendula, commonly known as sideoats grama, is a perennial, short prairie grass that is native throughout the temperate and tropical Western Hemisphere, from Canada south to Argentina.
Bouteloua gracilis, the blue grama, is a long-lived, warm-season (C4) perennial grass, native to North America.
Bouteloua is a genus of plants in the grass family. Members of the genus are commonly known as grama grass.
Bouteloua eriopoda, commonly known as black grama, is a perennial prairie grass that is native to the Southwestern United States. Its main means of reproduction is by stolons, as its ratio of viable seeds to sterile ones is naturally low. The disparity may play a role in its lack of tolerance to overgrazing, but aside from this B. eriopoda is a good forage food for livestock.
Bouteloua trifida is a species of grass known by the common name red grama. It is native to central and northern Mexico and the Southwestern United States, where it grows in desert scrub and other dry areas.
Bouteloua hirsuta, commonly known as hairy grama, is a perennial short prairie grass that is native throughout much of North America, including the Great Plains and Canadian Prairies region, as well as Mexico and Guatemala.
Geranium caespitosum, the purple cluster geranium or pineywoods geranium, is a perennial herb native to the western United States and northern Mexico. Its US distribution includes Arizona, Colorado, Nevada, New Mexico, Texas, Utah, and Wyoming.
Cirsium parryi, or Parry's thistle, is a species of North American flowering plants in the aster family. It is native to the southwestern United States, where it has been found in Colorado, Arizona, and New Mexico.
Bouteloua barbata is a species of grass known by the common name six-weeks grama. It is native to North America, where it occurs in the southwestern United States and south to Oaxaca in southern Mexico. It may occur in Montana. It is also present in Argentina.
Pleuraphis mutica is a species of grass known by the common name tobosa, or tobosa grass. It is native to Northern Mexico, and the Southwestern United States, in Arizona, New Mexico, Oklahoma, and Texas.
Salvia parryi is a perennial subshrub that is endemic to Northern Mexico, southwestern New Mexico, and southern Arizona, growing at 3,500 to 5,000 ft elevation.
Bouteloua breviseta is a species of grass known by the common names gypsum grama and chino grama.
Bouteloua aristidoides, the needle grama, is an annual desert grass (Poaceae) found in California, Arizona, and western North America.
Helianthella parryi, common name Parry's dwarf-sunflower, is a North American plant species in the sunflower family. It grows in the southwestern United States, in the States of Arizona, New Mexico, Colorado, and Utah.
Bouteloua chondrosioides, commonly known as sprucetop grama, is a perennial bunchgrass native to southern Arizona and northern Mexico.
Bouteloua eludens, colloquially known as Santa Rita grama or sometimes Santa Rita Mountain grama, is a grass species in the grama genus native to southern Arizona in the United States and northern Sonora in Mexico.
Bouteloua repens, colloquially known as slender grama, is a grass species in the grama genus native to the southwestern United States and northern Mexico.
Bouteloua radicosa, colloquially known as purple grama, is a grass species in the grama genus native to the southwestern United States and northern Mexico.
