Coreopsis calliopsidea is a species of flowering plant in the daisy family known by the common name leafstem tickseed. It is endemic to California. The plant grows in some of the southern coastal mountain ranges and Transverse Ranges and the Mojave Desert from Alameda and Inyo Counties south to Riverside County.
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.
Ivesia aperta is a species of flowering plant in the rose family known by the common name Sierra Valley mousetail.
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.
Lepidium densiflorum is a species of flowering plant in the mustard family known by the common names common pepperweed and prairie peppergrass.
Chenopodium hians is a species of flowering plant in the family Amaranthaceae known by the common names hians goosefoot and gaping goosefoot. The Latin species name hians means "gaping".
Hackelia brevicula is a species of flowering plant in the borage family known by the common name Poison Canyon stickseed.
Lepidium dictyotum is a species of flowering plant in the mustard family known by the common names alkali pepperweed and alkali pepperwort.
Meconella denticulata is a species of flowering plant in the poppy family known by the common name smallflower fairypoppy.
Mentzelia albicaulis is a species of flowering plants in the family Loasaceae known by the common names whitestem blazingstar, white-stemmed stickleaf, and small flowered blazing star. It is native to much of western North America, where it grows in mountain, desert, and plateau habitat.
Plagiobothrys leptocladus is a species of flowering plant in the borage family known by the common names finebranched popcornflower and alkali plagiobothrys. It is native to western North America from Alaska to the Dakotas to northern Mexico, where it can be found in varied types of wet habitat, including inundated alkali flats and vernal pools.
Spergularia macrotheca is a species of flowering plant in the family Caryophyllaceae known by the common name sticky sandspurry. It is native to western North America from British Columbia to Baja California, where it grows in many types of moist coastal and inland habitat, often in alkaline and saline substrates. It may be found in marshes, alkali flats, beaches, meadows, seeps, and vernal pools. It is a perennial herb producing a narrow stem up to 40 centimeters long with a woody, thickened base and taproot. They may grow erect or prostrate across the ground. It is covered in sticky glandular hairs, especially in the inflorescence. The stems are lined with fleshy linear leaves, sometimes tipped with spines. The leaves are accompanied by triangular stipules up to a centimeter long each. Flowers occur in clusters at the end of the stem as well as in leaf axils. The small flowers have five pointed sepals and five oval white to lavender-pink petals. The fruit is a capsule containing tiny reddish brown, winged seeds.
Nestotus stenophyllus is a species of flowering plant in the family Asteraceae known by the common name narrowleaf mock goldenweed. It was previously known as Stenotus stenophyllus. It is native to the western United States, especially the inland Pacific Northwest and northern Great Basin, where it grows in sagebrush habitat usually in rocky soil.
Grevillea scapigera, commonly known as Corrigin grevillea, is a species of flowering plant in the family Proteaceae and is endemic to a small area of the south-west of Western Australia. It is a prostrate to weakly ascending, suckering shrub with divided leaves, the end lobes broadly triangular and sharply-pointed, and spikes of white to cream-coloured flowers held above the foliage.
Symphoricarpos longiflorus is a species of flowering plant in the honeysuckle family known by the common names desert snowberry and fragrant snowberry. It is native to the western United States from the Great Basin to western Texas, as well as northwestern Mexico.
Townsendia scapigera is a species of flowering plant in the family Asteraceae known by the common name tufted Townsend daisy. It is native to the western United States, where it grows in mountains, sagebrush, and other habitat.
Vaccinium membranaceum is a species within the group of Vaccinium commonly referred to as huckleberry. This particular species is known by the common names thinleaf huckleberry, tall huckleberry, big huckleberry, mountain huckleberry, square-twig blueberry, and (ambiguously) as "black huckleberry".
Wyethia longicaulis is a species of flowering plant in the family Asteraceae known by the common name Humboldt mule's ears. It is endemic to California, where it occurs in the North Coast Ranges and the Klamath Mountains. It grows in mountain and foothill habitat such as grassland and forests. It is a perennial herb growing from a tough taproot and caudex unit and producing a stem up to half a meter tall. It is hairless to hairy and glandular. The leaves have lance-shaped or oblong blades up to 20 centimeters long. They are glandular and have a waxy exudate that dries white. The inflorescence is usually a cluster of 2 to 4 flower heads, each with up to 10 yellow ray florets which may be up to 3 centimeters long. The fruit is an achene about a centimeter long, including its tiny pappus.
Arabis serotina is a rare species of flowering plant in the mustard family known by the common name shale barren rockcress. It is native to eastern West Virginia and western Virginia in and around the Shenandoah Valley, where it is known from fewer than 60 populations. It is endemic to the shale barrens, a type of habitat characterized by steep slopes of bare shale, an exposed, rocky habitat type that is subject to very dry and hot conditions. Shale barrens host a number of endemics, such as Allium oxyphilum and Taenidia montana, and this rockcress is among the rarest. It is a federally listed endangered species.
Goodenia scapigera, commonly known as white goodenia, is a species of flowering plant in the family Goodeniaceae and is endemic to the south-west of Western Australia. It is an erect, perennial herb or shrub with linear to narrow egg-shaped leaves clustered near the ends of the stems, and thyrses of white flowers with purplish spots.
