Parkinsonia florida, the blue palo verde, is a species of palo verde native to the Sonoran Deserts in the Southwestern United States and Northwestern Mexico. Its name means "green pole or stick" in Spanish, referring to the green trunk and branches, that perform photosynthesis.
Cirsium arizonicum, the Arizona thistle, is a North American species of thistle in the sunflower family, native to the southwestern United States and northwestern Mexico. It has been found in Arizona, southeastern California, New Mexico, Nevada, Colorado, Utah, Sonora, and northwestern Chihuahua.
Gutierrezia is a genus of flowering plants in the family Asteraceae, native to western North America and western South America. Plants of this genus are known generally as snakeweeds or matchweeds. Some species have been called greasewood. They are annual or perennial plants or subshrubs with yellow or white flowers.
Adenophyllum is a small genus of plants in the marigold tribe within the sunflower family. It contains ten species known generally as dogweeds.
Dicoria canescens is a North American flowering plant in the daisy family known by several common names including desert twinbugs and bugseed. This is a desert plant of the southwestern United States and northwestern Mexico, found in Sonora, Baja California, southern California, Nevada, Arizona, Utah, southwestern Colorado, and northwestern New Mexico.
Bebbia, common name sweetbush, is a genus of aromatic shrubs in the daisy family.
Calycoseris wrightii, commonly known as white tackstem, is an annual spring wildflower, one of two species in the genus Calycoseris; the other species is C. parryi, the Yellow tack-stem. They are part of the sunflower family.
Helianthus niveus is a species of sunflower known by the common names showy sunflower and snowy sunflower. It is native to northern Mexico and the Southwestern United States.
Hymenothrix is a small genus of North American flowering plants in the daisy family known as thimbleheads. They are native to the southwestern United States and northern Mexico.
Isocoma acradenia is a North American species of flowering plant in the daisy family known by the common name alkali goldenbush.
Ageratina herbacea is a North American species of flowering plants in the daisy family known by the common names fragrant snakeroot and Apache snakeroot. It is native to desert regions of the southwestern United States and northern Mexico. It grows in rocky slopes in conifer forests and woodlands.
Calochortus kennedyi is a North American species of flowering plant in the lily family known by the common name desert mariposa lily.
Quercus turbinella is a North American species of oak known by the common names shrub oak, 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.
Platanus wrightii, the Arizona sycamore, is a sycamore tree native to Arizona and New Mexico with its range extending south into the Mexican states of Sonora, Chihuahua, and Sinaloa.
Senecio mohavensis, known by the common name Mojave ragwort, is a species of flowering plant in the aster family.
Galium stellatum is a species of plant in the family Rubiaceae. It is widespread across most of Arizona, and found also in Baja California, Baja California Sur, southeastern California, Nevada, Utah. It is dioecious, with male and female flowers on separate plants.
Baccharis wrightii is a North American species of shrubs in the aster family known by the common name Wright's baccharis or false willow. It is native to northern Mexico and the southwestern and south-central United States.
Brickellia atractyloides is a North American species of flowering plant in the daisy family known by the common name spearleaf brickellbush. It is native to the desert regions of the southwestern United States and northwestern Mexico.
Gutierrezia wrightii is a North American species of flowering plant in the daisy family known by the common name Wright's snakeweed. It is native to the southwestern United States and northwestern Mexico.
Hymenothrix wrightii is a North American species of flowering plant in the daisy family. It grows in northwestern Mexico and the southwestern United States.
