Eriophyllum lanatum, with the common names common woolly sunflower and Oregon sunshine, is a common, widespread, North American plant in the sunflower family.
Aristolochia californica, the California pipevine, California Dutchman's-pipe, or California snakeroot is a perennial woody vine of western North America.
Trichostema lanceolatum, with the common names vinegarweed and camphor weed, is an annual flowering herb of the mint family native to western North America.
Pseudotrillium is a monotypic genus of flowering plants in the family Melanthiaceae containing the single species Pseudotrillium rivale. The genus was proposed in 2002 on the basis of morphology and molecular evidence that suggest the plant should no longer be included in genus Trillium.
Allium validum, known by several common names including swamp onion, wild onion, Pacific onion, and Pacific mountain onion, is native to the Cascade Range, to the Sierra Nevada, the Rocky Mountains, and other high-elevation regions in California, Oregon, Washington, Nevada, Idaho and British Columbia. It is a perennial herb and grows in swampy meadows at medium and high elevations.
Salix lasiolepis is a species of willow native to western North America.
Asarum caudatum is native to rich moist forests of western North America from British Columbia to California and as far east as western Montana. It is an evergreen with flowers that develop from March to August. The flowers are distinct, hirsute (hairy), cup-shaped, and brown-purple to green-yellow which terminate in three, long, gracefully curved lobes, often concealed by leaves. The long rhizomes give rise to persistent reniform leaves. Leaves are found in colonies or clusters as the rhizome spreads, forming mats. The leaves emit a ginger aroma when rubbed.
Coreopsis bigelovii is a species of flowering plant in the daisy or sunflower family, Asteraceae, with the common names Bigelow coreopsis and Bigelow's tickseed. It is endemic to California.
Allium crispum is a species of wild onion known by the common name crinkled onion. It is endemic to California, where it grows along the Central Coast in the Coast Ranges and in the Santa Monica Mountains, often in clays and serpentine soils. It is a perennial herb that is typically found in the foothill woodlands and valley grasslands of California.
Cirsium occidentale, with the common name cobweb thistle or cobwebby thistle, is a North American species of thistle in the sunflower family.
Xylococcus is a monotypic genus of flowering plants in the heather family which contains the single species Xylococcus bicolor, commonly known as the mission manzanita. It is a burl-forming, evergreen shrub to tree with leathery leaves and smooth dark reddish bark. From December to February, white to pink urn-shaped flowers adorn the foliage, often attracting hummingbird pollinators. There is growing concern over the future of this plant, referred to as the "queen of the elfin forest, " as it may possibly lose up to 88% of its habitat and its wild seedlings are failing to survive more than a full year.
Chrysothamnus viscidiflorus is a species of shrub in the daisy family of the Americas known by the common names yellow rabbitbrush and green rabbitbrush.
Diplacus douglasii is a species of monkeyflower known by the common names brownies and purple mouse ears. It is native to the mountains and foothills of California and Oregon, where it is often found on serpentine soils. D. douglasii was first described in a published flora by George Bentham, an English botanist who was considered "the premier systematic botanist of the nineteenth century,." It was later described by Asa Gray, the father of North American botany.
Lomatium howellii is an uncommon species of flowering plant in the carrot family known by the common name Howell's biscuitroot, or Howell's lomatium. It is native to the Klamath Mountains of southern Oregon and northern California, where it is a member of the local serpentine soils flora.
Harmonia hallii is a species of flowering plant in the aster family known by the common names Hall's harmonia and Hall's madia.
Romanzoffia californica is a species of flowering plant in the borage family known by the common name California mistmaiden. It is native to Oregon and northern California, where it grows in moist and wet habitat, such as coastal bluffs and mountain forests.
Scoliopus bigelovii is a species of flowering plant in the lily family known by several common names, including California fetid adderstongue, Bigelow's adderstongue, slinkpod, and brownies. It is native to California, where it is known from the Santa Cruz Mountains, parts of the San Francisco Bay Area and North Coast Ranges. It has also been collected just over the border in Oregon. It occurs in old-growth forest in the understory of redwoods. It grows in mossy, moist places, often in shade.
Sidalcea oregana is a species of flowering plant in the mallow family known by the common name Oregon checkerbloom.
Tetracoccus hallii is a species of flowering shrub in the family Picrodendraceae, known by the common names Hall's shrubby-spurge and Hall's tetracoccus.
Scoliopus hallii, the Oregon fetid adderstongue, is a plant species endemic to western Oregon. It is closely related to the California fetid adderstongue, Scoliopus bigelovii, but has yellow flowers with thin purple stripes rather than the purple flowers with yellow stripes as in S. bigelovii
