Muilla coronata is a species of flowering plant known by the common name crowned muilla. It is native to the deserts of eastern California and southern Nevada, where it is found in scrub and Joshua Tree woodland habitat, as well as the slopes of nearby mountains. It is a perennial growing from a corm and reaching no more than 15 centimeters in height. The flowering stem bears an umbel-shaped array of up to 10, but usually fewer, flowers on pedicels up to 3 centimeters long. Each flower has six tepals which are white in color, often with a blue tinge inside and a greenish tinge on the outer surfaces. At the center of the flower are six stamens with wide white petal-like filaments. The filaments are partially fused into an erect, cylindrical "crown".
Veratrum fimbriatum is an uncommon species of false hellebore, a type of plant closely related to the lily. Its common names are fringed false hellebore and fringed corn lily. It is endemic to California where it is a rare resident of the northern coastal scrub plant communities of Mendocino and Sonoma Counties. This flowering plant is a stout, hollow-stemmed perennial growing from a thick rhizome. The erect flowering plant bears several large, flat, green leaves near the base of the green stem. The large panicle inflorescence is packed with many distinctive, lacy-fringed flowers each up to a centimeter wide. The flower bud is club-shaped before it opens into a bloom of six frilly tepals, each of which bears two bright green or gold glands. The ovary and sepals extend straight outward as one thick stalk. The fruit is an oval-shaped capsule just under a centimeter long containing the seeds.
Horkelia clevelandii is a species of flowering plant in the rose family known by the common name Cleveland's horkelia. It is native to the Peninsular Ranges of southern California and northern Baja California. This is a perennial herb forming clumps of long, fernlike leaves and erect stems. The leaves are up to 18 centimeters long and are made up of triangular to rounded leaflets, each toothed or lobed and covered in thin hairs. The narrow stems reach 10 to 50 centimeters in height and bear inflorescences of several flowers. Each flower has hairy, lance-shaped bractlets and pointed sepals. The narrow oval petals are white. The center of the flower contains ten stamens and up to 50 pistils.
Chorizanthe staticoides is a species of flowering plant in the buckwheat family known by the common name Turkish rugging. It is endemic to California, where it is a common member of the flora in the chaparral and scrub habitats in a number of regions.
Arabis aculeolata is a species of flowering plant in the mustard family known by the common name Waldo rockcress. It is native to a small range in the mountains of southern Oregon, where it is an uncommon member of the serpentine soils flora. Reports of its occurrence in Del Norte County, California are unconfirmed.
Calochortus panamintensis is a rare North American species of flowering plants in the lily family known by the common name Panamint mariposa lily. It is native to Inyo and Kern Counties in California, plus adjacent Nye County, Nevada. It is named after the Panamint Range near Death Valley.
Chaenactis glabriuscula, with the common name yellow pincushion, is a species of flowering plant in the daisy family. It is native to California and Baja California.
Chenopodium fremontii is a species of flowering plant in the family Amaranthaceae known by the common name Frémont's goosefoot. Both the species' specific epithet, and the common name derive from the 19th century western pioneer John C. Frémont.
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.
Prosartes hookeri is a North American species of flowering plants in the lily family known by the common names drops of gold and Hooker's fairy bells.
Enceliopsis nudicaulis is a North American species of flowering plants in the family Asteraceae known by the common name nakedstem sunray, or naked-stemmed daisy.
Lomatium mohavense is a species of flowering plant in the carrot family known by the common name Mojave desertparsley. It is native to southern California with a few outlying populations in Arizona, Nevada and Baja California. It is found in several types of mountain and desert habitat, including chaparral, woodland, and scrub, mostly from 2,000–7,000 feet (600–2,100 m) elevation.
Muilla transmontana is a species of flowering plant known by the common name Inland muilla. It is native to sections of the Great Basin in Nevada and in California east of the major mountain ranges. It grows in mountain forest and scrubby high desert and plateau habitat.
Petalonyx nitidus is a species of flowering plant in the family Loasaceae known by the common name shinyleaf sandpaper plant. It is native to the deserts and desert mountains of the southwestern United States, where it grows in scrub, woodland, and other habitat. It is a clumpy subshrub made up of many rough-haired, erect or spreading stems growing 15 to 45 centimeters long. The leaves are oval, pointed, usually toothed or serrated, and up to 4 centimeters long. The inflorescence at the end of the stem is a crowded raceme of many flowers. The flower appears tubular, its white petals fused near the spreading tips but open lower, the long stamens extending well beyond the corolla, and unusual in that they emerge from outside the corolla.
Packera ganderi is a rare species of flowering plant in the aster family known by the common name Gander's ragwort. It is endemic to southern California, where it is known from a few occurrences in San Diego and Riverside Counties.
Silene campanulata is a species of flowering plant in the family Caryophyllaceae known by the common names Red Mountain catchfly and bell catchfly. It may be a synonym of Silene greenei.
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.
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.
Toxicoscordion brevibracteatum is a species of flowering plant known by the common name desert deathcamas. It is native to Baja California, Sonora, and California, where it grows in sandy desert habitat among creosote and Joshua trees.
Muilla lordsburgana is a species of flowering plant known by the common name Lordsburg noino. It is native to the eastern fringe of the Chihuahuan Desert of southwestern New Mexico, where it is found in scrub habitats atop Lordsburg Mesa. It is a perennial growing from a corm and reaching no more than 9 centimeters in height. The flowering stem bears an umbel-shaped array of up to 6, but usually fewer, flowers on pedicels up to 2 centimeters long. Each flower has six tepals which are white to pale lavender in color with a prominent green midvein. At the center of the flower are six stamens with wide white to pale lavender petal-like filaments. The filaments are partially fused into an erect, cylindrical "crown".
