Pholisma sonorae, commonly known as sandfood, is a rare and unusual species of flowering plant endemic to the Sonoran Deserts to the west of Yuma, Arizona in the California Yuha, Mojave Desert and Colorado Desert, and south in the Yuma Desert, where it is known from only a few locations.
Spaniacris deserticola is a species of grasshopper in the family Romaleidae known as the Coachella Valley grasshopper and spanistic desert grasshopper. It is known from a few locations in the deserts of southern California and just across the border in Sonora, Mexico.
Tiquilia is a genus of flowering plants in the borage family, Boraginaceae. The 27 species in this genus are known by the common name crinklemat. They are native to the Western Hemisphere and are mostly found in desert regions.
Tiquilia canescens, the woody crinklemat or shrubby tiquilia, is a perennial, shrub in mid- to lower-elevation desert regions in the family Boraginaceae - Borage or the Forget-me-nots. It is found in the southwestern United States and Northwestern Mexico, in the states of California, Nevada, Arizona, Utah, New Mexico, Texas, Chihuahua, Sonora, and Baja California. It is a short, low-growing plant, seldom over 15 in tall.
Atriplex parishii is an uncommon species of saltbush known by the common names Parish's saltbush and Parish's brittlescale. It is native to central and southern California where it can occasionally be found along the immediate coastline, and the Channel Islands. Its distribution extended historically into the western edges of the Mojave Desert and Baja California and it may still exist there.
Calochortus palmeri is a species of flowering plant in the lily family known by the common names Palmer's mariposa lily and strangling mariposa.
Linanthus maculatus is a species of flowering plant in the phlox family known by the common names San Bernardino Mountain gilia and Little San Bernardino Mountains gilia. It is endemic to California, where it is known only from a few locales in the Little San Bernardino Mountains and the adjacent Palm Springs area in the northern end of the Coachella Valley. The largest populations, which may contain thousands of individuals, are located within the bounds of Joshua Tree National Park. This is a very small annual herb no more than three centimeters high. It has a taproot which may exceed 6 centimeters in length to collect moisture from the dry desert sand in its native habitat. The tiny, hairy stem branches to form small matted clusters on the sand surface. The hairy leaves are just a few millimeters long and unlobed. The inflorescence is a dense cluster of flowers each only 2 to 5 millimeters wide. The flower corolla has curled-back lobes which are white, sometimes with a spot of purple or pink. The protruding stamens are yellow. The main threat to this species is development in its range, and it is also vulnerable to off-road vehicle damage in the wide open sandy flats where it grows.
Erythranthe palmeri is a species of monkeyflower known by the common name Palmer's monkeyflower. It was formerly known as Mimulus palmeri.
Monardella palmeri is a species of flowering plant in the mint family known by the common name Palmer's monardella.
Ranunculus cymbalaria is a species of buttercup known by the common names alkali buttercup and seaside buttercup. It is native to much of Eurasia and parts of North and South America, where it grows in many types of habitat, especially in moist to wet areas such as marshes, bogs, and moist spring meadows. It is a perennial herb producing several stems a few centimeters to nearly 40 centimeters long. Some are prostrate against the ground and are stolons which root in moist substrate, and some are erect. The leaves are variable in shape, the basal ones with notched or slightly divided leaf blades borne on long petioles, and any upper leaves much reduced in size. The inflorescence bears one or more flowers on erect stalks. The flower has five to eight pale yellow petals, each under a centimeter long. The protruding receptacle at the center of the flower becomes a cylindrical cluster of fruits, each of which is an achene.
Ranunculus gormanii is a species of buttercup known by the common name Gorman's buttercup. It is native to Oregon and northern California, where it grows in the Klamath Mountains and a section of the southern Cascade Range. It can be found in moist areas in mountain forests and meadows. It is a perennial herb producing prostrate stems which extend along the ground up to 20 centimeters in length, sometimes rooting at nodes that come in contact with wet substrate. The leaves have oval blades up to 4 centimeters wide which are borne on petioles up to 7 centimeters in length. Flowers have 5 to 7 shiny yellow petals each a few millimeters long and many stamens and pistils. The fruit is an achene borne in a spherical cluster of up to 15.
Ranunculus sardous is a species of buttercup known by the common name hairy buttercup. It is native to Europe and it can be found in many other areas of the world, including parts of the United States and Australia, as an introduced species and a roadside and lawn weed. It grows in many types of disturbed habitat, especially in moist areas. It is an annual or biennial herb producing a mostly erect, hairy stem up to half a meter tall. The hairy leaves are usually divided into three leaflets which are borne on petioles a few centimeters in length. The flower has usually five yellow petals each up to a centimeter long and five reflexed sepals. The fruit is an achene borne in a spherical cluster of up to 35.
Scrophularia desertorum is a species of flowering plant in the figwort family known by the common name desert figwort. It is native to eastern California and Nevada, where it grows in dry areas in local mountain ranges, including the Sierra Nevada and the desert ranges adjacent. It is a perennial herb producing clusters of erect stems that often exceed one meter tall. The leaves have toothed, triangular or lance-shaped blades up to 13 centimeters long which are borne on petioles measuring up to 10 centimeters in length. The inflorescence is a wide-open panicle with several hairy, glandular branches bearing flowers. The flower has a spherical corolla opening at the top into a hoodlike, lobed mouth. The corolla is just under a centimeter long and is whitish at the base and deep red around the mouth and on the lobes. The staminode is generally visible in the mouth of the corolla. The fruit is a capsule just under a centimeter long containing many seeds.
Scutellaria tuberosa is a species of flowering plant in the mint family known by the common name Danny's skullcap. It is native to western North America from Oregon through California to Baja California, where it is widespread throughout the mountain and coastal regions; it is absent from the deserts and the Central Valley of California. It can be found in forest and woodland habitat, and a variety of open habitat types, often appearing in areas recently cleared by wildfire. It is a perennial herb producing an erect stem or cluster of stems up to about 25 centimeters tall from a root system with tubers. The stems are coated in short, spreading hairs. The oval leaves are oppositely arranged. The lowest leaves are borne on short petioles. Flowers emerge from the leaf axils. Each flower is held in a calyx of sepals with a large ridge or dome-shaped appendage on the upper part. The tubular corolla is one to two centimeters long and has a large upper and lower lip. The upper lip is folded into a beaklike protrusion and the lower has three wide lobes. The corolla is deep purple-blue, usually with a white patch or mottling on the lower lip.
Stachys pycnantha is a species of flowering plant in the mint family known by the common name shortspike hedgenettle. It is native to California, where it is known from many types of mountain and foothill habitat. This mint produces several stems usually exceeding 60 centimeters in height. It is hairy and glandular and very aromatic. The leaves have lance-shaped or oval blades borne on short petioles. The inflorescence is usually a single cluster or interrupted series of a few clusters of flowers, with up to 12 flowers per cluster. The tubular corolla is up to a centimeter long and white to pink in color. It is borne in a hairy calyx of sepals.
Tetracoccus ilicifolius is a rare species of flowering shrub in the family Picrodendraceae known by the common names hollybush and holly-leaved tetracoccus.
Trautvetteria is a genus of flowering plants in the buttercup family. Today it is often considered a monotypic genus, containing only one species, Trautvetteria caroliniensis, which is known by the common names Carolina bugbane, false bugbane, and tassel-rue. A second species, T. japonica, is now generally considered a variety of this species. The genus is named for the botanist Ernst Rudolf von Trautvetter.
Triteleia hyacinthina is a species of flowering plant known by the common names white brodiaea, white tripletlily, hyacinth brodiaea, and fool's onion. It is native to western North America from British Columbia to Idaho to central California. Its habitat includes grassland and vernally moist areas such as meadows and vernal pools. It is a perennial herb growing from a corm. It produces two or three basal leaves up to 40 centimeters (16 in) long by 2 centimeters (0.79 in) wide. The inflorescence arises on an erect stem up to 60 centimeters (24 in) tall and bears an umbel-like cluster of many flowers. Each flower is a funnel-shaped bloom borne on a pedicel up to 5 centimeters (2.0 in) long. The flower is white, often tinged purple along the tubular throat, with six green-veined tepals. There are six stamens with white, yellow, or occasionally blue anthers.
Eriogonum gypsophilum is a rare species of wild buckwheat known by the common names Seven River Hills buckwheat and gypsum wild buckwheat. It is endemic to the state of New Mexico in the United States, where it is known from only three sites in Eddy County. It is limited to a specific type of soil which is high in gypsum. The plant has been federally listed as a threatened species of the United States since 1981.
Deinandra mohavensis is a species of flowering plant in the aster family known by the common name Mojave tarplant, or Mojave tarweed.
