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. 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.
Encelia is a genus of the plant family Asteraceae. It consists of shrubs of arid environments in southwestern North America and western South America.
Trichostema lanceolatum, with the common names vinegarweed and camphor weed, is an annual flowering herb of the mint family native to western North America.
Monardella is a genus of approximately 40 species of annual and perennial plants native to western North America from British Columbia to northwestern Mexico. They are grown for their highly aromatic foliage, which in some species is used for herbal teas. The two-lipped, tubular flowers are formed in terminal clusters and are most usually red, pink, or purple.
Hackelia (stickseeds) is a genus of plants in the borage family, Boraginaceae. It includes 54 species found in North America, western South America, temperate Eurasia, and Australia. 12 species are native to California.
Hymenoxys is a genus of plants in the sunflower family, native to North and South America. It was named by Alexandre Henri Gabriel de Cassini in 1828.
Stephanomeria is a genus of North American plants also known as wirelettuce, belonging to the tribe Cichorieae within the family Asteraceae.
Prunus subcordata, known by the common names Klamath plum, Oregon plum, Pacific plum and Sierra plum, is a member of the genus Prunus, native to the western United States, especially California and Oregon.
Iva is a genus of wind-pollinated plants in the family Asteraceae, described as a genus by Linnaeus in 1753. Plants of this genus are known generally as marsh elders. The genus is native to North America.
Hedeoma is a genus of flowering plants in the mint family, Lamiaceae. It is native to North and South America. They are commonly known as false pennyroyals.
Muhlenbergia is a genus of plants in the grass family.
Forestiera is a genus of flowering plants in the olive family, Oleaceae. Members of the genus are often called swampprivets. Most are shrubs.
Chaenactis is a genus of plants in the family Asteraceae which are known generally as pincushions and dustymaidens.
Bebbia, common name sweetbush, is a genus of aromatic shrubs in the family Asteraceae.
Senecio flaccidus, formerly recorded as Senecio douglasii, member of the daisy family and genus Senecio also known as threadleaf ragwort, is a native of the southwestern Great Plains of North America.
Stenanthium is a North American genus of flowering plants in the tribe Melanthieae of the family Melanthiaceae.
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.
Pilostyles thurberi is a species of endoparasitic flowering plant known by the common names Thurber's stemsucker and Thurber's pilostyles. It is native to the southwestern United States and northern Mexico, where it grows in desert and woodland. In the United States, P. thurberi has been recorded from the states of Arizona, California, New Mexico, Nevada, Texas.
Brickellia microphylla, the littleleaf brickellbush, is a flowering plant species in the family Asteraceae native to western North America.
