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.
Cryptantha intermedia is a species of wildflower in the borage family known by several common names, including common cryptantha, Clearwater cryptantha, and nievitas.
Epilobium densiflorum is a species of willowherb known by the common names denseflower willowherb, dense spike-primrose or dense boisduvalia. It is native to western North America from British Columbia to Baja California, where it is found in a variety of habitats. This is an erect annual often exceeding a meter in height with fuzzy green foliage. The pointed leaves are up to 8 centimeters long near the base of the plant, and the upper leaves are generally more hairy than the lower. The stem may branch or not. The top of the stem is occupied by a hairy, leafy, densely flowered inflorescence. Each flower has four deeply notched petals in shades of pinkish purple to nearly white with dark veining, each about a centimeter long. The fruit is a cylindrical capsule about a centimeter long.
Gratiola ebracteata is a species of flowering plant known by the common name bractless hedgehyssop. It is native to western North America from British Columbia to Montana to California. It grows in mud. This is a small, hairless, glandular annual plant rarely exceeding 10 centimeters in height. It grows from the mud of wet habitats, producing an erect stem in shades of reddish green. There are a few small red-bordered green leaves along the stem. The inflorescence is an extension of the stem a few millimeters long and coated in hairlike glands. The centimeter-long flower is a sort of rectangular tube which is yellowish or off-white. The fruit is a spherical capsule a few millimeters wide.
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.
Lepidium nitidum, known by the common name shining pepperweed, is a species of flowering plant in the mustard family.
Eriocoma parishii is a species of grass known by the common name Parish's needlegrass.
Agoseris grandiflora is a North American species of flowering plant in the family Asteraceae known by the common names California dandelion, bigflower agoseris, and grassland agoseris.
Allium hickmanii is a rare species of wild onion known by the common name Hickman's onion. It is endemic to California, where it is known from Monterey, Sonoma, Kern, and San Luis Obispo Counties.
Allium punctum is a species of wild onion known by the common name dotted onion or Modoc onion. It is native to the western United States in and around the Modoc Plateau in northeastern California, northwestern Nevada, and southeastern Oregon. It is uncommon, growing in volcanic flatlands created by old lava flows.
Allium tribracteatum, known by the common name Threebract onion, is a species of wild onion found in California.
Boechera cobrensis is a species of flowering plant in the mustard family known by the common names Masonic rockcress and sagebrush rockcress. It is native to the western United States from eastern California to Wyoming, where it is found in sandy habitat, especially sagebrush. This is a perennial herb growing several erect, slender stems to heights near half a meter from a branching caudex. The plant forms a narrow clump with a base of narrow, linear, densely hairy leaves up to 5 centimeters long. There are also a few slightly shorter leaves clasping the stems at intervals. The top of each stem is occupied by an inflorescence of small, nodding flowers with dull yellowish sepals and white petals. The flowers give way to fruits which are narrow, straight siliques up to 4 centimeters long containing winged seeds.
Astragalus andersonii is a species of milkvetch known by the common name Anderson's milkvetch. It is native to eastern California and western Nevada, where it is found in the plateaus at the foot of the Sierra Nevada, including the Modoc Plateau. It was named after Charles Lewis Anderson by Asa Gray.
Cardamine nuttallii is a species of cardamine known by the common name Nuttall's toothwort. It is native to western North America from British Columbia to California, where it grows in moist mountain habitats.
Boechera dispar is a species of flowering plant in the family Brassicaceae known by the common name pinyon rockcress. It is native to eastern California and western Nevada, where it grows in rocky areas in desert and mountain habitat. This is a perennial herb growing from a branching caudex. It produces several erect stems reaching 10 to 25 centimeters tall. The leaves are mostly located about the caudex. They are linear to lance-shaped, coated in white hairs, and one or two centimeters long. The flowers have purple petals. The fruit is a long, narrow, hairless silique up to 7 centimeters long containing round, winged seeds.
Leptosiphon montanus is a species of flowering plant in the phlox family known by the common name mustang clover.
Lithophragma parviflorum is a species of flowering plant in the saxifrage family known by the common name smallflower woodland star. It is native to much of western North America from British Columbia to California to South Dakota and Nebraska, where it grows in several types of open habitat. It is a rhizomatous perennial herb growing erect or leaning with a naked flowering stem. The leaves are mainly located low on the stem, each cut into three lobes or divided into three lobed leaflets. The stem bears up to 14 flowers, each in a cuplike calyx of red or green sepals. The five petals are bright white, up to 1.6 centimeters long, and usually divided into three toothlike lobes.
Psilocarphus brevissimus is a species of flowering plant in the family Asteraceae known by the common names short woollyheads, woolly marbles, and woolly heads.
Pyrrocoma apargioides is a species of flowering plant in the family Asteraceae known by the common name alpineflames. It is native to the western United States from the Sierra Nevada of California east to Utah, where it grows in the forests and meadows of high mountains. It is a perennial herb growing from a taproot and producing one or more stems to 30 centimeters in length. The stems are decumbent or upright, reddish, and hairless to slightly woolly. Most of the leaves are located around the base. They are thick and leathery, lance-shaped with large sawteeth along the edges, often center-striped in white, and measure up to 10 centimeters long. The inflorescence is usually a single flower head lined with centimeter-long phyllaries which are reddish to green with red edges. The head has a center of yellow disc florets and a fringe of ray florets which are yellow, often splashed with red along the undersides, measuring up to 1.6 centimeters in length. The fruit is an achene which may be well over a centimeter in length including its pappus.
Frasera neglecta is a species of flowering plant in the gentian family known by the common name pine green gentian.
