Allium campanulatum is a species of wild onion known by the common name dusky onion or Sierra onion. This is a flowering plant native to the western United States from southeastern Washington and northern Oregon to southern California, and western Nevada. The dusky onion grows in foothills and mountains, especially in dry areas, such as chaparral habitats.
Boechera perennans is a species of rockcress known as perennial rockcress. It is native to the southwestern United States and northern Mexico. This rockcress forms several erect stems reaching past half a meter in height at maximum. The basal leaves may be several centimeters long and are hairy and often toothed, while the scattered upper leaves are smaller. Toward the top of the stem are small widely spaced purple or pink-purple flowers on long, thin stalks. These give way to the fruits, which are siliques: long, very narrow pods up to 6 centimeters long.
Hieracium greenei is a species of hawkweed known by the common name Greene's hawkweed.
Juncus capitatus is a species of rush known by the common names dwarf rush and leafybract dwarf rush. It is native to Europe, Asia and North Africa. It is also an introduced species in parts of North America such as California and the Gulf Coast. It grows in moist areas, such as wet sand, vernal pools, and ditches.
Juncus confusus is a species of rush known by the common name Colorado rush. It is native to western North America from British Columbia to northern California to Colorado, where it grows in coniferous forests and wet, grassy areas such as mountain meadows. It is a bunching rhizomatous perennial herb which grows to a maximum height between 30 and 50 centimeters. Its thready leaves grow from the base of the light green stems to about 15 centimeters long. The inflorescence atop the stem is an array of individual flowers and there is a long bract at the base which may be up to 8 centimeters in length. Each flower has long, pointed tepals with dark and light longitudinal stripes and membranous, translucent borders. There are six stamens. The fruit is a light to dark brown oval-shaped or rounded capsule.
Juncus mexicanus is a species of rush known by the common name Mexican rush. It is native to the southwestern quadrant of the United States and parts of Mexico and Central and South America. It is a plant of moist areas in a great number of habitats, from coast to desert to mountain and low to high elevation.
Juncus nevadensis is a species of rush known by the common name Sierra rush. It is native to much of western North America from British Columbia to New Mexico, where it grows in wet areas in many habitat types. This is a rhizomatous perennial herb which varies in appearance. Its thin, smooth stems reach a maximum height between 10 and 70 centimeters. The thin green leaves may be up to 30 centimeters long. The inflorescences generally contain a number of flowers, with each flower bearing dark to very light brown tepals, six stamens with large anthers, and very long stigmas. The fruit is a shiny chestnut brown capsule.
Juncus occidentalis is a species of rush known by the common name western rush. It is native to the western United States, where it grows in wet areas in many types of habitat. This is a bunching perennial herb with thin, stiff stems reaching maximum heights between 30 and 60 centimeters. The wispy leaves grow from the base of the stem and may approach half the stem's length. The inflorescence holds loose bundles of individual flowers and there is usually one long, leaflike bract extending far past the flowers. Each flower has green-striped brownish to reddish tepals each several millimeters long, and six stamens with small anthers. The fruit is a brown capsule which grows encased within the tepals.
Juncus dubius is a species of rush known by the common name wrinkled rush. It is endemic to California, in the California Coast Ranges, Transverse Ranges, and southern Sierra Nevada. It is a common member of the flora in many wet areas, such as marshes and riverbanks.
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.
Carex alma is a species of sedge known by the common name sturdy sedge. It is native to the southwestern United States and northern Mexico, where it grows in moist spots in a number of habitat types. This sedge forms a thick clump of thin stems up to 90 centimeters in length and long, thready leaves. The leaves have basal sheaths with conspicuous red coloration, often spotting. The inflorescence is a dense to open cluster of many spikelets occurring both at the ends of stems and at nodes. Each cluster is up to 15 centimeters long and 1 to 2 wide. The plant is sometimes dioecious, with an individual sedge bearing either male or female flowers. The female, pistillate flowers have white or white-edged bracts. The male, staminate flowers have visible anthers 2 millimeters long or longer. The fruit is coated in a sac called a perigynium which is gold to dark brown in color and has a characteristic bit of spongy tissue at the base.
Gilia aliquanta is a species of flowering plant in the phlox family known by the common name puffcalyx gilia. It is native to the Sierra Nevada mountains and deserts of southeastern California and southern Nevada.
Juncus bryoides is a species of rush known by the common names moss rush and mosslike dwarf rush. It is native to western North America from Oregon to Baja California, where it grows in many types of wet, sandy habitat. It is a very tiny annual herb producing erect, hair-thin stems no more than about 2 centimeters tall. Atop the stem is one flower made up of a few reddish segments 1 to 3 millimeters long which curve around the developing fruit.
Juncus duranii is an uncommon species of rush known by the common name Duran's rush. It is endemic to southern California, where it is known only from the San Gabriel, San Bernardino, and San Jacinto Mountains.
Juncus hemiendytus is a species of rush known by the common name Herman's dwarf rush. It is native to the western United States, where it grows in moist places, especially areas that are wet in spring, such as vernal pools. This is a very small annual herb forming dense clumps of hair-thin reddish stems no more than about 3 centimeters tall. The tiny, thready leaves surrounding the stems are up to about 2 centimeters long. Each stem usually bears one reddish flower, which is made up of segments 2 or 3 millimeters long curving around the developing fruit.
Juncus tiehmii is a species of rush known by the common name Nevada rush. It is native to the western United States, where it grows in wet habitat with granite sand substrate, including riverbanks and barren seeps. This is a small annual herb forming dense clumps of hair-thin stems no more than about 6 centimeters high. The inflorescence is made up of one to seven tiny flowers atop each stem. The flowers have a few greenish to pink or red segments no more than about 3 millimeters long.
Juncus triformis is an uncommon species of rush known by the common names Yosemite dwarf rush and long-styled dwarf rush.
Juncus uncialis is a species of rush known by the common names twelfth rush and inch-high rush. It is native to the western United States, where it is known from wet habitat such as vernal pools. This is a petite annual herb forming dense clumps of hair-thin green stems no more than 3 or 4 centimeters high. The inflorescence is made up of a single tiny flower atop each stem. The flower has several reddish segments about 2 to 5 millimeters long wrapped around the developing fruit.
Isolepis setacea is a species of flowering plant in the sedge family known by the common names bristle club-rush and bristleleaf bulrush. It is native to Eurasia and Africa, and possibly Australasia. It can be found in other places, including some areas in North America, where it is an introduced species. It grows in many types of moist and wet habitat, often in coastal regions, and sometimes inland. It is a perennial herb which forms mats of very thin, grooved, erect or arching stems up to about 20 centimeters tall. The leaves sheath the stem bases and have short, flat, thick blades. The inflorescence is a solitary spikelet just a few millimeters long, or a cluster of up to three spikelets. These are accompanied by a stiff bract extending past the flowers.
Juncus digitatus is a rare species of rush known by the common name finger rush. It is endemic to Shasta County, California, where it is known from only two occurrences near Shingletown. It occurs in spring-moist habitat such as vernal pools in sunny locations in the foothills of the southernmost Cascade Range. The plant was first collected in 1991 and described to science as a new species in 2008.
