Helianthus is a genus comprising about 70 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. Except for three South American species, the species of Helianthus are native to North America and Central America. The best-known species is the common sunflower, whose round flower heads in combination with the ligules look like the Sun. This and other species, notably Jerusalem artichoke, are cultivated in temperate regions and some tropical regions as food crops for humans, cattle, and poultry, and as ornamental plants. The species H. annuus typically grows during the summer and into early fall, with the peak growth season being mid-summer.
Eriophyllum lanatum, with the common names common woolly sunflower and Oregon sunshine, is a common, widespread, North American plant in the family Asteraceae.
Rudbeckia laciniata, the cutleaf coneflower, is a species of flowering plant in the family Asteraceae. It is native to North America, where it is widespread in both Canada and the United States. Its natural habitat is wet sites in flood plains, along stream banks, and in moist forests. Common names other than cutleaf coneflower include cutleaf, goldenglow, green-headed coneflower, tall coneflower, sochan and thimbleweed.
Bahiopsis parishii known commonly as Parish goldeneye or shrubby goldeneye, is a North American species of flowering shrubs in the family Asteraceae.
Viguiera is a genus of flowering plants in the family Asteraceae. The name honours French physician L. G. Alexandre Viguier (1790–1867). It contains around 150 species, which are commonly known as goldeneyes and are native to the New World. These are herbs to bushy shrubs that bear yellow or orange daisy-like flowers.
Coreopsis bigelovii is a species of flowering plant in the daisy or sunflower family, Asteraceae, with the common names Bigelow coreopsis and Bigelow's tickseed. It is endemic to California.
Geraea viscida is a species of flowering plant in the family Asteraceae known by the common name sticky geraea, or sticky desertsunflower. It is native to southern California, mainly the chaparral hills of eastern San Diego County, and nearby Baja California.
Helianthus bolanderi is a species of sunflower known by the common names Bolander's sunflower and serpentine sunflower. It is native to California and Oregon, where it grows mainly in mountainous areas, often in serpentine soils. It has been found from southwestern Oregon as well as in northern and central California as far south as Santa Cruz County, with reports of a few isolated populations in southern California.
Helianthus californicus is a North American species of sunflower known by the common name California sunflower. It is native to California in the United States and Baja California in Mexico, where it grows in many types of habitats.
Helianthus gracilentus is a species of sunflower known by the common name slender sunflower. It is native to central and southern California and Baja California, where it is a member of the dry wildfire-prone chaparral ecosystem.
Hulsea californica is a rare species of flowering plant in the family Asteraceae known by the common names San Diego alpinegold and San Diego sunflower. It is endemic to southern California, where it grows only in the Peninsular Ranges.
Ambrosia pumila is a rare species of herbaceous perennial plant known by the common names San Diego ragweed and San Diego ambrosia. It is native to far southern California, Baja California, and Baja California Sur. It grows in floodplains and open grasslands in proximity to wetland areas.
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 pringlei is a North American species of flowering plant in the family Asteraceae known by the common name Pringle's woolly sunflower. It is native to the southwestern United States and northern Mexico, where it grows in several types of desert, canyon, and hillside habitat, such as chaparral and sagebrush.
Microseris laciniata is a species of flowering plant in the family Asteraceae known by the common name cutleaf silverpuffs. It is native to the western United States from Washington to northern California and Nevada, where it grows in forest and grassland habitat.
Simsia is a genus of flowering plants in the tribe Heliantheae within the family Asteraceae. It includes annuals, herbaceous perennials, and shrubs. They range from the western United States south through Central and South America to Argentina, with the center of diversity occurring in Mexico. The genus is named for British physician and botanist John Sims (1749–1831). Although some species are relatively rare, others have become common weeds that line the roadsides and fields of Mexico, often forming dense stands mixed with Tithonia and other Asteraceae. Some species are known by the common name bushsunflower.
Sidalcea malviflora is a species of flowering plant in the mallow family, known by the common names dwarf checkerbloom, Greek mallow, prairie mallow and dwarf checkermallow.
Bahiopsis reticulata is a species of flowering plant in the family Asteraceae known by the common names netvein goldeneye and Death Valley goldeneye. It is native to the Mojave Desert of California and Nevada, where it grows in several types of dry desert habitat. Many of the populations are inside Death Valley National Park.
Agnorhiza bolanderi is a species of flowering plant known by the common name Bolander's mule's ears. It is endemic to California, where it is known only from a narrow section of the Sierra Nevada foothills about 275 kilometers long from Shasta County to Mariposa County. It grows in chaparral and grassland habitat, usually on serpentine soils.
Bahiopsis is a genus of North American flowering plants in the tribe Heliantheae within the family Asteraceae. It is native to the southwestern United States and northwestern Mexico, with several of the species endemic to the Baja California Peninsula.
