Ionactis, common name stiff-leaved asters or ankle-asters, is a small genus of plants belonging to the family Asteraceae. These aster-like plants are endemic to North America. One species is widespread across much of the eastern half of the continent, while two others are rare endemics with very restricted ranges.
Cacaliopsis is a monotypic genus of flowering plants in the aster family, Asteraceae, containing the single species Cacaliopsis nardosmia. It is known by the common name silvercrown. It is native to western North America.
Ericameria laricifolia is a North American species of flowering shrub in the family Asteraceae known by the common name turpentine bush, or turpentine-brush. It is native to the southwestern United States and northern Mexico (Chihuahua).
Erigeron glaucus is a species of flowering plant in the family Asteraceae known by the common name seaside fleabane, beach aster, or seaside daisy. It is native to the West Coast of the United States.
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 tackstem. They are part of the family Asteraceae.
Lasthenia californica is a species of flowering plant in the family Asteraceae known by the common name California goldfields. It is native to western North America.
Agoseris aurantiaca is a species of plant in the family Asteraceae, commonly called orange agoseris or mountain dandelion. It is widespread in western North America.
Almutaster is a North American genus of plants in the family Asteraceae containing the single species Almutaster pauciflorus, which is known by the common name alkali marsh aster. It is native to Canada, the Western United States, and northern and central Mexico. The genus is named for botanist Almut Gitter Jones.
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.
Chaenactis suffrutescens is a species of flowering plant in the aster family known by the common name Shasta chaenactis.
Eriophyllum ambiguum is a species of flowering plant in the family Asteraceae known by the common name beautiful woolly sunflower. It is native to the deserts and adjacent hills of southern and eastern California, northwestern Arizona, and southern Nevada.
Eriophyllum congdonii, known by the common name Congdon's woolly sunflower, is a rare California species of flowering plant in the family Asteraceae.
Corethrogyne filaginifolia is a species of flowering plant in the daisy family known by the common names common sandaster and California aster.
Senecio mohavensis, known by the common name Mojave ragwort, is a species of flowering plant in the aster family.
Arnica dealbata is a species of Californian plants in the tarweed tribe within the aster family
Deinandra fasciculata, known by the common names clustered tarweed and fascicled spikeweed, is a species of flowering plant in the family Asteraceae native to western North America.
Heterotheca shevockii is a rare species of flowering plant in the family Asteraceae known by the common names Kern Canyon false goldenaster and Shevock's goldenaster. It is endemic to California in the United States, where it is known only from Kern County. It grows along a 21-mile stretch of the Kern River.
Ipomoea tastensis is a species of plant in the bindweed family, Convolvulaceae. It is native to the Mexican state of Baja California Sur and are particularly abundant in the Sierra El Taste, where the white showy flowers make them a conspicuous part of the landscape.
Eucephalus tomentellus is a North American species of flowering plant in the family Asteraceae known by the common name Brickellbush aster or rayless aster. It grows on openings in oak or conifer forests the Siskiyou Mountains of the US States of California and Oregon.
Dudleya pauciflora is a species of succulent plant in the stonecrop family known by the common name few-flower liveforever. It is characterized by its small crowded rosettes of narrow leaves and its colorful inflorescence with red-yellow flowers. Found growing on rocky outcrops and cliffs in the high elevation mountains of the Sierra de San Pedro Martir and the Sierra de San Borja, it is endemic to the state of Baja California, Mexico.
