Sida rhombifolia, commonly known as arrowleaf sida, is a perennial or sometimes annual plant in the Family Malvaceae, native to the Old World tropics and subtropics. Other common names include rhombus-leaved sida, Paddy's lucerne, jelly leaf, and also somewhat confusingly as Cuban jute, Queensland-hemp, and Indian hemp. Synonyms include Malva rhombifolia. It is used in Ayurvedic medicine, where it is known as kurumthotti.
Arctostaphylos viscida, with the common names whiteleaf manzanita and sticky manzanita, is a species of manzanita.
Andersonglossum occidentale is a species of flowering plant in the borage family known by the common name western hound's tongue.
Hastingsia alba is a species of flowering plant known by the common names white rushlily and white schoenolirion.
Hastingsia serpentinicola is a species of flowering plant known by the common name Klamath rushlily. It is native to the mountains of northwestern California and southwestern Oregon, where it grows in serpentine soils.
Abronia turbinata is a species of flowering plant in the four o'clock family known by the common name transmontane sand-verbena. It is native to eastern California and Oregon and western Nevada, where it grows in desert and plateau scrub.
Camissoniopsis bistorta is a species of flowering plant in the evening primrose family known by the common names southern suncup and California suncup. It is native to southern California and Baja California, where it grows in several types of plant community along the coast and in the coastal hills and mountain ranges. This is a hairy annual or short-lived perennial herb spreading from a basal rosette, with stems reaching up to 80 centimeters long. The leaves are narrow and sometimes toothed, and 1 to 12 centimeters in length. Toward the end of the spreading stems are nodding inflorescences of flowers, each flower with four bright yellow petals dotted with red at their bases.
Claytonia nevadensis, known by the common names Sierra springbeauty and Sierra Nevada claytonia, is a species of wildflower in the family Montiaceae. The evolutionary relationship of Claytonia nevadensis to other claytonias is a subject of debate and ongoing genetic studies. Sierra springbeauties are diploid with a chromosome base number of x = 7
Lomatium columbianum is a perennial herb of the family Apiaceae known by the common names purple leptotaenia and Columbia desert parsley. It is endemic to the U.S. states of Oregon and Washington, mostly along the Columbia River east of the Cascades.
Lupinus brevicaulis is a species of lupine known by the common names shortstem lupine and sand lupine. It is native to the southwestern United States, including Oregon, California, Nevada, Utah, Colorado, Arizona, and New Mexico, where it grows in many types of sandy habitat.
Kyhosia is a monotypic genus of flowering plants in the family Asteraceae containing the single species Kyhosia bolanderi, which is known by the common names Bolander's madia and kyhosia.
Microseris douglasii is a species of flowering plant in the family Asteraceae known by the common name Douglas' silverpuffs. It is native to western North America from Oregon and California to Baja California. It grows in several types of habitat, including grassland and vernal pools, and on soils containing clay and serpentine.
Perideridia lemmonii is a species of flowering plant in the family Apiaceae known by the common names Lemmon's yampah and tuni. It is native to the western United States, where it is known from southeastern Oregon, western Nevada, and the mountains of eastern California. It grows in meadows, forests, and other habitat. It is a perennial herb approaching one meter in maximum height, its slender, erect stem growing from usually a single small tuber about 1.5 centimeters long. Leaves near the base of the plant have blades up to 30 centimeters long divided into one or two pairs of leaflets, each of which may be subdivided. The inflorescence is a compound umbel of many spherical clusters of small white flowers. These yield ribbed, round or oblong-shaped fruits each under half a centimeter long.
Petrophytum caespitosum is a woody perennial species of flowering plant in the rose family known by the common name mat rock spiraea and native to western United States.
Phyla lanceolata is a species of flowering plant in the verbena family known by the common names lanceleaf fogfruit, fogfruit, or frogfruit. It is native to the southern half of North America, including much of the United States except for the northwestern quadrant, and much of Mexico. It is resident in many types of moist and wet habitat, including disturbed areas, such as irrigation ditches. It is a perennial herb growing decumbent in a matlike form with spreading, trailing stems up to 50 centimeters (19.7 in) long, sometimes rooting at nodes. The lance-shaped or nearly oval leaves are up to 6 centimeters (2.4 in) long and have toothed or partially toothed edges. The inflorescence, arising on a peduncle several centimeters tall, is a spherical spike of flowers which elongates into a cylindrical form as the fruits develop. The tiny, densely packed flowers are white, sometimes tinged with blue or purple.
Ribes marshallii is a North American species of currant known by the common names Hupa gooseberry and Marshall's gooseberry. It is endemic to the Klamath Mountains of southern Oregon and northern California.
Silene oregana is a species of flowering plant in the family Caryophyllaceae known by the common names Oregon silene, Oregon campion and Oregon catchfly. It is native to the western United States, including the Great Basin, where it grows in habitat such as sagebrush and forests. It is a perennial herb growing from a woody caudex and taproot, sending up an erect, mostly unbranched stem which may be 70 centimeters tall. The lance-shaped leaves are up to 8 centimeters long around the caudex, and shorter farther up the stem. Flowers occur in a terminal cyme and sometimes in leaf axils. Each flower is encapsulated in a hairy, glandular calyx of fused sepals. The five petals are creamy white or pink-tinged in color and each has four to six long, fringelike lobes at the tip.
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.
Agastache cusickii is a species of flowering plant in the mint family known by the common name Cusick's giant hyssop. It is native to the northwestern United States from eastern Oregon and central Nevada to Idaho and Montana.
Crocidium is a small North American genus of plants in the daisy family. Crocidium is native to western North America: British Columbia Washington, Idaho, Oregon, and California.
