Chrysothamnus, known as rabbitbrush, rabbitbush, and chamisa, are a genus of shrubs in the sunflower family. The native distribution is in the arid western United States, Canada, and northern Mexico. It is known for its bright white or yellow flowers in late summer.
Eriophyllum lanosum, the white woolly daisy or white easterbonnets, is a spring wildflower in the family Asteraceae. It grows in the eastern Mojave Desert and the Sonoran Desert in the southwestern United States and northwestern Mexico.
Heterotheca, are North American plants in the sunflower family.
Ancistrocarphus is a genus of flowering plants in the family Asteraceae. It contains two known species, both native to western North America. These plants are often treated as members of genus Stylocline, but they are not as closely related to Stylocline species as they are to plants of other genera, especially Hesperevax.
Chaetopappa is a genus of plants in the daisy family which are known generally as leastdaisies.
Hymenopappus filifolius is a North American species of flowering plant in the daisy family known by the common names fineleaf hymenopappus and Columbia cutleaf. It is native to western and central North America from Alberta and Saskatchewan south as far as Chihuahua and Baja California.
Chaetopappa ericoides is a species of flowering plant in the daisy family known by the common names rose heath and heath-leaved chaetopappa. It is native to the southwestern and western Great Plains regions of the United States, plus northern Mexico. It is found in California, Nevada, Arizona, Utah, New Mexico, Colorado, Wyoming, Texas, Oklahoma, Kansas, Nebraska, Chihuahua, Coahuila, Sonora, Durango, Zacatecas, San Luis Potosí, and Nuevo León.
Baileya pleniradiata is a North American species of flowering plant in the daisy family, known by the common name woolly desert marigold. It is native to desert regions of the southwestern United States and northern Mexico, where it grows in sandy habitats. It has been found in the States of Chihuahua, Sonora, Baja California, Arizona, Utah, and Nevada.
Cirsium scariosum is a species of thistle known by the common names meadow thistle, elk thistle and dwarf thistle. It is native to much of western North America from Alberta and British Columbia south to Baja California. There are also isolated populations on the Canadian Atlantic Coast, on the Mingan Archipelago in Québec.
Crepis occidentalis is a North American species of flowering plant in the daisy family known by the common names western hawksbeard, or largeflower hawksbeard. It is native to western Canada and the western United States.
Nemacladus is a genus of flowering plants in the bellflower family known generally as threadplants. Species are native to the southwestern United States and northern Mexico. These are annual herbs with very slender, sometimes threadlike, branching stems bearing small five-lobed flowers.
Stylocline citroleum is a rare species of flowering plant in the family Asteraceae known by the common name oil neststraw.
Stylocline gnaphaloides is a species of flowering plant in the aster family known by the common names mountain neststraw and everlasting neststraw.
Stylocline intertexta is a species of flowering plant in the family Asteraceae known by the common names Morefield's neststraw and Mojave neststraw. It is native to the Mojave and Sonoran Deserts of California, Nevada, Utah, and Arizona, where it grows in rocky, sandy desert soils. It likely evolved as a hybrid between woollyhead neststraw and baretwig neststraw ; it is a mix of their morphological traits and it occurs alongside both of them. It reproduces itself, producing fertile offspring, and it meets other criteria for any other definition of a species, so it was described to science as such in 1992. It is a small annual herb growing at ground level and reaching just a few centimeters in length. It is usually coated in white hairs, often woolly. The small, pointed leaves are oval to lance-shaped and measure up to 1.5 centimeters long. The inflorescence bears spherical flower heads each a few millimeters in diameter. The head has no phyllaries, just a ball of tiny woolly white flowers.
Stylocline masonii is an uncommon species of flowering plant in the family Asteraceae known by the common name Mason's neststraw.
Stylocline micropoides is a species of flowering plant in the family Asteraceae known by the common names woollyhead neststraw, woollyhead fanbract and desert neststraw. It is native to the southwestern United States and northern areas in the northern states of Mexico, where it grows in desert habitat and other dry areas. It is a small annual herb growing at ground level with stems up to 20 centimeters in length. It is woolly or felt-like in texture with a coating of white hairs. The pointed leaves are up to 2 centimeters long and alternately arranged. The inflorescence bears spherical flower heads no more than a centimeter in diameter. The head generally has no phyllaries, or has small ones that fall away early. It contains several woolly white flowers.
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.
Brickellia microphylla, the littleleaf brickellbush, is a flowering plant species in the daisy family native to western North America.
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.
Machaeranthera asteroides, the fall tansyaster, is a North American species of plants in the sunflower family. It is native to the southwestern United States and northern Mexico.
