Flora of Nevada

Astragalus phoenix is a rare species of milkvetch commonly known as Ash Meadows milkvetch. It is mostly found in Nye County, southwestern Nevada.

Spiranthes infernalis, common name Ash Meadows lady's tresses, is a rare species of orchid known from only four locations in Nevada, all close to one another. The type locale is inside Ash Meadows National Wildlife Refuge, in Nye County approximately 90 miles (140 km) WNW of Las Vegas. The site is a seasonally wet meadow. The epithet infernalis means "of the underworld" or "of the nether regions", in reference to the extremely hot climate of the region.

Mentzelia leucophylla, known by the common name Ash Meadows blazingstar, is a rare species of flowering plant in the Loasaceae. It is endemic to southwestern Nevada, in the Western United States.

Atriplex phyllostegia is a species of saltbush known by the common names arrowscale, leafcover saltweed, and Truckee orach. It is native to the western United States from California to Utah, where it grows in meadow bottoms and areas with saline soils such as dry or ephemeral lakes.

Penstemon rhizomatosus is a rare species of flowering plant in the plantain family known by the common names Scheel Creek beardtongue and rhizome beardtongue. It is endemic to Nevada in the United States, where it occurs only in the Schell Creek Range of White Pine County. This plant was first described in 1998. It is a perennial herb growing up to about 28 centimeters in maximum height. The clusters of stems arise from a woody caudex and thick taproot. The leaves are lance-shaped and borne on winged petioles. They are up to 3.5 centimeters long including the petioles and are coated in short

Eriogonum argophyllum is a species of wild buckwheat known by the common names Sulphur Hot Springs buckwheat, Silver Lake buckwheat, and Ruby Valley buckwheat. It is endemic to Nevada in the United States, where there is only one known population. This plant only grows in the Ruby Valley of Elko County, Nevada. It grows in the wetlands associated with hot springs, and depends on the water for survival. It grows in shallow, sandy soils covered in a crust of minerals left by the evaporation of the water. Associated plants include Senecio canus, Ivesia kingii, Bromus tectorum, Zeltnera exaltata,

Primula capillaris is a rare species of flowering plant in the primrose family known by the common name Ruby Mountains primrose, or Ruby Mountain primrose. It is endemic to Nevada in the United States, where it is limited to the Ruby Mountains of Elko County. This small plant is a few centimeters tall, growing from a short rhizome. The thick, hairless leaves are linear or somewhat lance-shaped, 1 to 6 centimeters long and no more than half a centimeter wide with rounded tips. The delicate, showy flower has a bell-shaped calyx of green sepals. The corolla is reddish or bluish purple with a

Penstemon pudicus is a rare species of flowering plant in the plantain family known by the common names bashful beardtongue and Kawich Range beardtongue. It is endemic to Nevada in the United States, where it is known only from the Kawich Range in Nye County. This perennial herb grows up to 50 centimeters tall and bears purple-blue flowers in June and July. The plant grows in pinyon-juniper woodland habitat in rocky soils and outcrops. There are only about 6 known occurrences of this plant, all in the Kawich Mountains of central Nevada. While it may be locally abundant in its limited range,

Lewisia maguirei is a rare species of flowering plant in the family Montiaceae known by the common name Maguire's lewisia, or Maguire's bitterroot. It is endemic to Nevada in the United States, where it is known only from eastern Nye County.

Eriogonum tiehmii, known as Tiehm's buckwheat, is a species of flowering plant endemic to the Silver Peak Range of Esmeralda County, Nevada, in the United States. Its only known population is at high risk of destruction due to proposed mining for lithium (used for batteries in electric vehicles) by the Australian company Ioneer. In 2020, a noticeable decline in the known population was attributed to herbivory.

Draba serpentina is a species of flowering plant in the family Brassicaceae known by the common name serpentine draba. It is endemic to Nevada in the United States, where it occurs in the Snake Range in White Pine County and the Toiyabe Range of Lander County. Until 2007 this taxon was treated as a variety of Draba oreibata. The two were separated because they are different in morphology, in chromosome number, and in distribution, as they grow over 480 kilometers apart. This is a small cushion-like plant with stems 3 to 13 centimeters long. It has up to 14 white flowers in its inflorescence,

Castilleja salsuginosa is a species of flowering plant in the family Orobanchaceae known by the common name Monte Neva Indian paintbrush. It is endemic to Nevada in the United States, where it is known from two populations, one in White Pine County and another in Eureka County. The two occurrences of this plant are located about 83 miles (134 km) apart within the Great Basin. There are only about 275 individuals. This plant grows in two locations in Nevada's alkaline meadows. It grows around hot springs on salty, wet soils. The local elevation is about 6,000 feet (1,830 m). Other plants in

Boechera ophira (formerly Arabis ophira) is a rare species of flowering plant in the mustard family known by the common name Ophir Pass rockcress, or Ophir rockcress. It is endemic to Nevada in the United States, where it is known from Nye and Lander Counties. It grows on the crest of the Toiyabe Range. This long-lived perennial herb produces hairy stems up to 14 centimeters tall from a woody caudex. There are narrow, hairy leaves around the stem bases and a few higher on the stems. The inflorescence is a raceme of 6 to 15 flowers with purple petals. The fruit is a straight silique up to 4

Potentilla johnstonii is a rare species of flowering plant in the rose family known by the common name sagebrush cinquefoil. It is native to Nevada, where it has been collected from only one spot in the Quinn Canyon Range of Nye County. This plant has been known for decades but herbarium specimens have been labeled a variety of Potentilla concinna. They are actually specimens of a separate species and the plant was described to science in 2006. The plant has stems about 15 centimeters long. The leaves are borne on hairy petioles. Each is made up of a few leaflets with toothed tips. The

Nevada holmgrenii is a flowering plant in the mustard family, Brassicaceae, endemic to Nevada in the United States. It is the only species in the genus Nevada. It was first described as Smelowskia holmgrenii.

Ionactis caelestis, the Spring Mountain aster, is a rare North American species in the family Asteraceae. It has been found only in southern Nevada in the western United States.

Eriogonum diatomaceum is a species of wild buckwheat known by the common name Churchill Narrows buckwheat. It is endemic to Nevada in the United States, where it is known only from the Pine Nut Mountains in Lyon County. It is limited to the Churchill Narrows near Fort Churchill State Historic Park. This plant was discovered in 1997 and described to science in 2002. There is only a single population of the plant, split into about 15 occurrences and containing a total of less than 50,000 individuals. All the plants are within about three square miles on Bureau of Land Management lands.

Diplacus ovatus, also known as steamboat monkeyflower, Carson monkeyflower, or eggleaf monkeyflower, is a species of flowering plant. This plant is only known from three locations in the U.S. state of Nevada, including Steamboat Hot Springs.

Cymopterus goodrichii is a rare species of flowering plant in the carrot family known by the common name Toiyabe springparsley. It is endemic to Nevada in the United States, where it occurs in the Toiyabe and West Humboldt Ranges. This perennial herb grows up to 15 or 20 centimeters tall from a taproot and underground root crown. There is a small rosette of leaves with intricately divided blades 1 or 2 centimeters long. The inflorescence arises on a purple flower stalk directly from the ground. It is a small umbel about a centimeter wide containing white or purple flowers. The fruit is 5 to 8

Mentzelia candelariae is a wildflower native to Nevada. It has been found in the counties of Churchill, Esmeralda, Mineral, Nye, and Pershing. It is known by the common name candelaria blazingstar.

Helianthus devernii is a North American species of flowering plant in the daisy family Asteraceae, known by the common name Red Rock sunflower. The perennial herbaceous plant is endemic to a portion of Nevada's Red Rock Canyon National Conservation Area measuring less than 1 acre (4,000 m2), where it grows in just two desert spring locations within the Mojave Desert. The plant reaches up to 102 cm (40 in) in height. Its leaves tend toward the grass-like shape, with a single prominent vein, and alternate up the stem. The flower heads feature 5-8 yellow apparent petals—ray florets—surrounding a

Erigeron ovinus is a rare North American species of flowering plant in the family Asteraceae, called the sheep fleabane. It has been found only in the southeastern part of the US state of Nevada (Clark County + Lincoln County). Erigeron ovinus is a perennial herb up to 15 centimeters (6 inches) tall, with a large taproot, forming clumps of many individuals close together. Leaves are pinnatifid with long narrow lobes. The plant generally produces one or two flower heads per stem, each head with numerous yellow disc florets but no ray florets. The species grows on ridges and in cracks in rocks

Erigeron cavernensis is a North American species of flowering plants in the family Asteraceae known by the common name lone fleabane. It has been found only in the State of Nevada in the western United States, on ridges, cliff faces, and rocky outcrops at high elevations in the mountains of Nye and White Pine Counties. Erigeron cavernensis is a very small perennial herb up rarely more than 6 cm (2.4 inches) tall, forming clumps of many individuals close together. Most of the leaves are low and close to the ground. Each stem produces only one flower head, with 12–24 white, pink or lavender ray

Ericameria compacta, the Charleston Mountain goldenbush, is a rare North American species of flowering plants in the family Asteraceae. It has been found only in pine forests in the Spring and Sheep Mountains of Clark County, Nevada. Fewer than 12 populations have been found. Ericameria compacta is a branching shrub up to 50 cm (20 inches) tall. Leaves are oblanceolate to narrowly spatulate, up to 4 cm (1.6 inches) long. One plant can form many small, yellow flower heads, each with as many as 16 disc florets but no ray florets.

Antennaria soliceps is a rare species of flowering plant in the family Asteraceae known by the common name Charleston Mountain pussytoes. It has been found only on Mount Charleston in Clark County in the southern part of the US state of Nevada. Antennaria soliceps is a small plant rarely growing more than 2 inches (5.1 cm) from the ground, spreading by means of horizontal stems running along the surface of the ground. All known plants discovered to date are female, the species apparently relying exclusively on asexual reproduction. It grows on talus slopes near the tree line in the mountains,

Toiyabea alpina, the alpine serpentweed, is a species of North American plants in the tribe Astereae within the family Asteraceae. It is native to the Toiyabe and Toquima Mountains of central Nevada (Nye and Lander Counties).

Chrysothamnus eremobius, the Pintwater rabbitbrush , is a rare North American species of flowering plants in the tribe Astereae within the family Asteraceae. It has been found only in the Pintwater and Sheep Ranges of Clark and Lincoln Counties in southern Nevada. Chrysothamnus eremobius is a branching shrub up to 30 cm (12 inches) tall. It produces large, dense arrays of small yellow flower heads, each with disc florets but no ray florets. It grows in the crevices of limestone cliffs.

Toiyabea granitica, common names granite serpentweed and Lone Mountain serpentweed, is a rare endemic plant species known only from the east side of Lone Mountain in Esmeralda County, Nevada, about 20 km (12.5 miles) west of Tonopah. It grows there in the crevices of granitic outcrops. Toiyabea granitica is a perennial herb growing close to the ground and forming mats. Leaves are ovate to spatulate, irregularly toothed, up to 4 cm (1.6 inches) long. Flower heads are born in racemose or corymbiform arrays. There are no ray flowers, but up to 23 yellow disc flowers.

Eriogonum corymbosum var. nilesii is a rare variety of Eriogonum corymbosum, a species of Polygonaceae, commonly known as Nile's wild buckwheat, Las Vegas buckwheat, or golden buckwheat. The plant can be found in the Mojave Desert, located in the Las Vegas Valley and Muddy Mountains region of Clark County, Nevada.

Salvia funerea, is a species of semi-deciduous perennial shrub with the common names Death Valley sage, woolly sage, and funeral sage, is an intricately branched shrub associated with limestone soils in the Mojave Desert in California and Nevada. It is characterized by an overall white appearance due to wooly hairs that cover the stems and leaves.