Fallugia is a monotypic genus of flowering plants containing the single species Fallugia paradoxa, which is known by the common names Apache plume and póñil. This plant is native to the southwestern United States and northern Mexico, where it is found in arid habitats such as desert woodlands and scrub.
Hibiscus lasiocarpos is a species of hibiscus known by the common name hairy-fruited hibiscus. It is also one of several hibiscus called rosemallow. It is native to much of the southeastern United States, as well as parts of California and northern Mexico. It is a large, bushy perennial herb with sprawling stems reaching one to two meters long. The leaves are heart-shaped, toothed, and pointed, and generally between 6 and 10 centimeters long. The inflorescence holds large showy, solitary flowers. Each flower has a cup of partly fused sepals beneath a layer of slender bracts. These may be covered in hairs or woolly fibers. The flower's large petals may be up to 10 centimeters long and are generally bright white with red bases. The stamen tube and anthers are white or cream. The fruit is a capsule 2.5–3 centimeters long containing spherical seeds.
Vaccinium stamineum, commonly known as deerberry, tall deerberry, highbush huckleberry, buckberry, and southern gooseberry, is a species of flowering plant in the heath family. It is native to North America, including Ontario, the eastern and central United States, and parts of Mexico. It is most common in the southeastern United States.
Brunfelsia pauciflora is a species of flowering plant in the family Solanaceae, the nightshades. It is endemic to Brazil, and it is grown in cultivation. A shrubby perennial plant grown in gardens, its common names include today, tomorrow together, yesterday, today and tomorrow, morning-noon-and-night, kiss me quick, and Brazil raintree.
Eremogone ursina is a species of flowering plant in the family Caryophyllaceae known by the common name Bear Valley sandwort.
Neviusia, the snow-wreaths, is a genus of ornamental plants, which are native to the United States, containing two extant species and one extinct species known from fossil leaves. This genus is a rare example of a disjunct range occurring in North America. The type species, Neviusia alabamensis, occurs in several southeastern states, while second extant species, Neviusia cliftonii, is endemic to the Mt Shasta region of California, and the extinct species Neviusia dunthornei is found in shale deposits in the Okanagan Highlands of Washington and British Columbia. It is named for Episcopal priest and botanist Reuben Nevius.
Campanula shetleri is a rare species of bellflower known by the common name Castle Crags bellflower. The plant is named for Castle Crags, a mountain formation in its limited native range, within the Shasta-Trinity National Forest.
Clarkia borealis is a rare species of flowering plant in the evening primrose family known by the common name northern clarkia. It is endemic to California, where it is known from the forests of the southern Klamath Range and the southernmost Cascade Range foothills. It is an annual herb growing an erect, slender stem. The leaves are oval in shape and borne on short petioles. The top of the stem is occupied by the inflorescence, in which the lowest flowers open first and hanging, pointed flower buds occur at nodes at the top. The sepals separate as the flower blooms, revealing purplish pink petals. Each petal is between 1 and two centimeters long, elongated triangular to semicircular in shape, and sometimes flecked with dark purple. There are 8 stamens with anthers bearing blue-gray pollen, and a protruding stigma.
Ribes speciosum is a species of flowering plant in the family Grossulariaceae, which includes the edible currants and gooseberries. It is a spiny deciduous shrub with spring-flowering, elongate red flowers that resemble fuchsias, though it is not closely related. Its common name is fuchsia-flowered gooseberry. It is native to central and southern California and Baja California, where it grows in the scrub and chaparral of the coastal mountain ranges.
Polygonum shastense is a species of flowering plant in the knotweed family known by the common name Shasta knotweed. It is native to sections of southwestern Oregon, northwestern Nevada, and northern and central California, where it grows in rocky and gravelly mountainous habitat up to 3300 meters (11,000 feet) elevation. It is most common in the Sierra Nevada. The species name refers to its occurrence on Mount Shasta in Shasta County, California.
Ribes amarum is a species of currant known by the common name bitter gooseberry. It is endemic to California, where it is known from mountains, foothills, and canyons. Its habitat includes Chaparral.
Ribes binominatum is a species of currant known by the common names trailing gooseberry and ground gooseberry.
Ribes roezlii is a North American species of gooseberry known by the common name Sierra gooseberry.
Ribes thacherianum, with the common name Santa Cruz gooseberry, or Santa Cruz Island gooseberry, is a rare North American species of currant found only on one island off the coast of California.
Rubus lasiococcus is a species of wild blackberry known by the common names roughfruit berry and dwarf bramble. It is native to western North America from British Columbia to northern California, where it grows in mountain forests. In the southern half of its range the plant is commonly found in a plant community in the understory of mountain hemlock and Shasta red fir.
Calochortus syntrophus is a rare species of flowering plant in the lily family known by the common names Callahan's mariposa lily and clustered mariposa lily. It is endemic to northern California, where it occurs in a remote area north of Montgomery Creek in Shasta County. It has also been spotted in adjacent Tehama County. Its habitat includes open, rocky areas with moist or wet soils in oak woodland territory. It was first discovered in 1993 and its description was published the following year.
Prunus eremophila, also known by its common name Mojave Desert plum, is a rare species of plum native to California.
Lysimachia iniki is a rare species of flowering plant in the family Primulaceae known by the common names Wailua River yellow loosestrife and Wailua River island-loosestrife. It is endemic to Hawaii, where there is only one known occurrence existing on the island of Kauai. The plant was federally listed as an endangered species of the United States in 2010.
Viburnum bracteatum is a species of flowering plant in the Adoxaceae known by the common names bracted arrowwood and limerock arrowwood. It is native to the southeastern United States, where it is limited to Alabama, Georgia, and Tennessee. Some authors include Viburnum ozarkense in this species, which would expand its distribution westward. Other authors include V. ozarkense in Viburnum molle, or retain it as a distinct species.
Peniocereus striatus is a species of cactus known by several common names, including gearstem cactus, cardoncillo, jacamatraca, sacamatraca, and dahlia-rooted cactus. It is endemic to the Sonoran Desert, where it occurs in Baja California, Sinaloa, and Sonora in Mexico and Arizona in the United States.
