Mertensia is a genus of flowering plants in the family Boraginaceae. They are perennial herbaceous plants with blue or sometimes white flowers that open from pink-tinged buds. Such a change in flower color is common in Boraginaceae and is caused by an increase of pH in the flower tissue. Mertensia is one of several plants that are commonly called "bluebell". In spite of their common name, the flowers are usually salverform (trumpet-shaped) rather than campanulate (bell-shaped).
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.
Cirsium neomexicanum is a North American species of thistle known by the common names New Mexico thistle, powderpuff thistle, lavender thistle, foss thistle and desert thistle.
Clintonia uniflora, commonly known as bride's bonnet, queen's cup, or bead lily, is a species of flowering plant in the lily family Liliaceae. The specific epithet uniflora means "one-flowered", a characteristic that distinguishes this species from others in the genus Clintonia. For this reason, it is also known as the single-flowered clintonia.
Cleomella arborea, is a perennial shrub or bush in the spiderflower family (Cleomaceae) known by the common names bladderpod, bladderpod spiderflower and burro-fat. It has yellow flowers in bloom all months of the year. It emits a foul odor to discourage herbivory from insects.
Brickellia californica, known by the common name California brickellbush, is a species of flowering plant in the family Asteraceae.
Agoseris glauca is a species of flowering plant in the family Asteraceae known by the common names false dandelion, pale agoseris, prairie agoseris, and short-beaked agoseris. It is native to western North America.
Ambrosia eriocentra is a North American species of ragweed known by the common names woolly bursage and woollyfruit burr ragweed.
Brickellia greenei is a species of flowering plant in the family Asteraceae known by the common name Greene's brickellbush. It is native to the mountain ranges of southwestern Oregon and northern California, including the Cascades, the northern Coast Ranges, and Sierra Nevada.
Calycadenia fremontii is a species of flowering plant in the daisy family known by the common name Frémont's western rosinweed. It is native to southwestern Oregon and northern California. It is a common member of the flora in several types of habitat in the mountains, foothills, and valleys. This annual plant is variable in appearance.
Chaenactis carphoclinia is a species of flowering plant in the daisy family known by the common name pebble pincushion. It is native to the southwestern United States and northwestern Mexico, where it grows in rocky and gravelly habitat, such as the California deserts. The species is found in southern California, Nevada, Utah, Arizona, southwestern New Mexico, Baja California, Sonora.
Cirsium douglasii is a species of thistle known by the common names Douglas' thistle and California swamp thistle.
Crepis intermedia is a North American species of flowering plant in the family Asteraceae known by the common name limestone hawksbeard. It is native to the Pacific Northwest, Columbia Plateau, Great Plains and Southwestern regions of western North America.
Hymenoxys hoopesii is a species of flowering plant in the daisy family known by the common names owl's claws, orange sneezeweed, and yerba del lobo. It is native to the western United States, where it grows in habitats of moderate elevation, such as mountain meadows in the Rocky Mountains, Sierra Nevada, southern Cascades, and other ranges. It has been found from Arizona, New Mexico, and central California north as far as Montana and Oregon.
Clintonia andrewsiana is a species of flowering plant in the lily family Liliaceae. The species was discovered by John Milton Bigelow in 1854 and described by John Torrey in 1856. The specific epithet andrewsiana honors Timothy Langdon Andrews (1819–1908), a "gentleman who assiduously examined the botany" of California during the mid-19th century. The species is commonly known as Andrews clintonia or red clintonia, where the latter refers to the color of the flowers. In California, it is also known as bluebead lily or western bluebead lily, not to be confused with C. borealis, which is likewise known as bluebead lily. The Pomo people of northern California considered the plant to be poisonous.
Berberis haematocarpa, Woot. with the common names red barberry, red Mexican barbery, Colorado barberry and Mexican barberry, is a species in the Barberry family in southwestern North America. It is also sometimes called algerita, but that name is more often applied to its relative, Mahonia trifoliolata.
Ambrosia monogyra is a species of flowering plant in the sunflower family commonly known as the singlewhorl burrobrush, leafy burrobush, slender burrobush, and desert fragrance. Ambrosia monogyra is native to North America and is typically found in canyons, desert washes, and ravines throughout arid parts of the southwestern United States and northern Mexico. This species has green, threadlike leaves that emit a distinctive odor when crushed, and flowers from August to November. The fruits have distinctive wings in their middle that aid in dispersion through wind and water.
Erigeron howellii is a rare North American species of flowering plant in the family Asteraceae known as Howell's fleabane. It has been found in the Cascades in the northwestern United States, in northwestern Oregon and southwestern Washington.
Guardiola platyphylla, the Apache plant, is a North American species of plants in the family Asteraceae, native to Mexico and the southwestern United States. It is found in northwestern Mexico and the southwestern United States.
Hazardia berberidis is a species of flowering plant in the family Asteraceae commonly known as the barberry-leaf goldenbush. A woody shrub, it is characterized by sawtooth leaves and yellow ray flowers that bloom from March to August. It is endemic to the coastal sage scrub and coastal succulent scrub habitats of Baja California, Mexico, but with populations of uncertain origin in San Diego County, California.
