Palafoxia, or palafox, is a genus of North American flowering plants in the Bahia tribe within the Asteraceae.
Encelia is a genus of the plant family Asteraceae. It consists of shrubs of arid environments in southwestern North America and western South America.
Madia is a genus of annual or perennial usually aromatic herbs with yellow flowers, in the tribe Madieae within the family Asteraceae.
Astereae is a tribe of plants in the family Asteraceae that includes annuals, biennials, perennials, subshrubs, shrubs, and trees. They are found primarily in temperate regions of the world. Plants within the tribe are present nearly worldwide divided into over 250 genera and more than 3,100 species, making it the second-largest tribe in the family behind Senecioneae.
Parthenium is a genus of North American shrubs in the tribe Heliantheae within the family Asteraceae and subfamily Asteroideae.
Mentzelia is a genus of about 60-70 species of flowering plants in the family Loasaceae, native to the Americas. The genus comprises annual, biennial, and perennial herbaceous plants and a few shrubs.
Dalea is a genus of flowering plants in the legume family, Fabaceae. Members of the genus are commonly known as prairie clover or indigo bush. Its name honors English apothecary Samuel Dale (1659–1739). They are native to the Western hemisphere, where they are distributed from Canada to Argentina. Nearly half of the known species are endemic to Mexico. Two species of Dalea have been considered for rangeland restoration.
Rafinesquia, commonly known as plumeseed, is a genus of flowering plants in the family Asteraceae, native to the western United States and northwestern Mexico.
Townsendia is a genus of North American plants in the tribe Astereae within the family Asteraceae.
Wyethia is a genus of North American flowering plants in the family Asteraceae. First published by Thomas Nuttall in J. Acad. Nat. Sci. Philadelphia vol.7 on page 39 in 1834.
Boykinia is a small genus of plants related to the saxifrages. It contains at least nine species, known as brookfoams. Brookfoams are glandular rhizomatous creeping perennials with highly lobed or toothed leaves and inflorescences of petite flowers. They are native to North America and Asia.
Psilostrophe, the paperflowers is a genus of North American plants in the sneezeweed tribe within the sunflower family.
Monoptilon (desertstar) is a small genus of annual plants in the tribe Astereae within the family Asteraceae.
Chloracantha is a monotypic genus of flowering plants in the aster family, containing the single species Chloracantha spinosa. It is distributed in the southwestern and south-central United States, most of Mexico, and much of Central America. Its English language common names include spiny chloracantha, spiny aster, devilweed aster, and Mexican devilweed. In Spanish it is known as espina de agua, espinaza, and espinosilla.
Orbexilum, commonly called leather-root, is a genus of flowering plants in the legume family (Fabaceae). They are native to North America, where they are found in the United States and Mexico, south to Chiapas.
Stenotus is a genus of flowering plants in the family Asteraceae. There are four species, all native to western North America. They are known commonly as mock goldenweeds.
Xanthisma, common name sleepy-daisy, is a genus of flowering plants in the family Asteraceae.
Tetradymia is a genus of North American shrubs in the groundsel tribe within the sunflower family. Horsebrush is a common name for plants in this genus.
Psathyrotes annua is a species of flowering plant in the aster family known by the common names annual psathyrotes, turtleback, or mealy rosettes. It is native to the southwestern United States and as far north as Idaho. It grows in desert and scrub habitat, often in areas with alkali soils among plants such as shadscale. It is a low, flat or mounding plant with spreading, hairy, scaly stems. It is pale green to reddish purple in color with gray-green leaves, its color dull from the coating of fibers on its surface. The irregularly rounded leaf blades are up to 1.6 centimeters long with wavy or toothed edges. The knobby inflorescence arises from the leaf axils. It is lined with hairy gray-green phyllaries with dull points that curve outward. It contains several hairy yellow to reddish disc florets. The fruit is an achene covered densely in long hairs and tipped with a large pappus of bristles.
Psathyrotopsis is a genus of North American plants in the tribe Bahieae within the family Asteraceae.
