Cupressus arizonica, the Arizona cypress, is a North American species of tree in the cypress family Cupressaceae, native to the southwestern United States and Mexico. Populations may be scattered rather than in large, dense stands.
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.
Eriophyllum wallacei is a North American flowering plant in the daisy family known by the common names woolly daisy and woolly easterbonnets. It grows in the southwestern United States and northwestern Mexico.
Ericameria cuneata is a species of flowering shrub in the daisy family known by the common name cliff goldenbush. This plant is native to the southwestern United States and northwestern Mexico.
Gutierrezia californica is a North American species of flowering plant in the family Asteraceae known by the common names San Joaquin snakeweed and California matchweed. It is native to California and Arizona in the United States and Baja California in Mexico. It grows in sunny sandy or rocky areas in grasslands, scrub, or open woodlands.
Gutierrezia microcephala is a species of flowering plant in the family Asteraceae known by the common names sticky snakeweed, threadleaf snakeweed, threadleaf broomweed, and smallhead snakeweed. It is a subshrub native to the southwestern United States and northern Mexico, and can be found in arid grassland and desert sand dune habitats. It can be toxic to livestock in large quantities, due to the presence of saponins and high concentrations of selenium.
Gutierrezia sarothrae is a species of flowering plant in the family Asteraceae known by the common names broom snakeweed, broomweed, snakeweed, and matchweed. It is a subshrub native to much of the western half of North America, from western Canada to northern Mexico, and can be found in a number of arid, grassland, and mountain habitats. It can be toxic to livestock in large quantities, due mainly to the presence of saponins.
Xanthocephalum is a genus of North American plants in the aster tribe within the sunflower family.
Arbutus arizonica, commonly known as Arizona madrone, is a tree species in the heath family that is native to the southwestern United States and northwestern Mexico. Its range extends along the Sierra Madre Occidental cordillera from the Madrean Sky Islands of southeastern Arizona and southwestern New Mexico south as far as Jalisco. It has been found in Sonora, Chihuahua, Durango, and Sinaloa, with one isolated population in Tamaulipas.
Chrysothamnus molestus is a species of flowering plant in the aster family known by the common names Arizona rabbitbrush, Tusayan rabbitbrush, disturbed rabbitbrush, and stickyfruit low rabbitbrush. It is endemic to the State of Arizona in the southwestern United States, where it is known from Coconino, Apache, and Navajo Counties.
Gutierrezia texana is a North American species of flowering plant in the family Asteraceae known by the common name Texas snakeweed. It is native to the south-central United States and northern Mexico as far south as Guanajuato and Hidalgo.
Tetraneuris acaulis is a North American species of flowering plants in the sunflower family. Common names include angelita daisy, stemless four-nerve daisy, stemless hymenoxys, butte marigold, and stemless rubberweed.
Bidens tenuisecta , the slimlobe beggarticks, is a North American species of flowering plant in the daisy family. It is native to northern Mexico (Chihuahua) and the western United States. There are also reports of populations in the northeastern United States but these are almost assuredly introductions.
Ericameria arizonica is a North American species of flowering shrub in the daisy family known as Arizona goldenbush or Grand Canyon goldenweed. It has been found only on the cliffs on the south rim of the Grand Canyon in Coconino County, Arizona.
Gaillardia arizonica, the Arizonia blanketflower, is a species of flowering plant in the sunflower family. It is native to northwestern Mexico (Sonora) and the southwestern United States.
Grindelia arizonica, the Arizona gumweed, is a North American species of flowering plants in the daisy family. It is native to the southwestern United States and northern Mexico, in the States of Coahuila, Chihuahua, Arizona, New Mexico, Utah, Texas, and Colorado.
Gutierrezia petradoria is a species of flowering plant in the family Asteraceae known by the common names San Pedro snakeweed and goldenrod snakeweed
Gutierrezia serotina is a North American species of flowering plant in the family Asteraceae known by the common name late snakeweed.
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.
Herrickia glauca is a North American species of flowering plants in the aster family, called the gray aster. It is native to the western United States, primarily in Arizona, New Mexico, Utah, Colorado, and Wyoming, with a few populations in Idaho and Montana.
