Arnica is a genus of perennial, herbaceous plants in the sunflower family (Asteraceae). The genus name Arnica may be derived from the Greek arni, "lamb", in reference to the plants' soft, hairy leaves. Arnica is also known by the names mountain tobacco and, confusingly, leopard's bane and wolfsbane—two names that it shares with the entirely unrelated genus Aconitum.
Eriophyllum lanatum, with the common names common woolly sunflower, Oregon sunshine and golden yarrow, is a common, widespread, North American plant in the family Asteraceae.
Chrysothamnus, known as rabbitbrush, rabbitbush, and chamisa, are a genus of shrubs in the family Asteraceae. The native distribution is in the arid western United States, Canada, and northern Mexico. It is known for its bright white or yellow flowers in late summer.
Hackelia (stickseeds) is a genus of plants in the borage family, Boraginaceae. It includes 54 species found in North America, western South America, temperate Eurasia, and Australia. 12 species are native to California.
Stephanomeria is a genus of North American plants also known as wirelettuce, belonging to the tribe Cichorieae within the family Asteraceae.
Lewisia is a plant genus, named for the American explorer Meriwether Lewis (1774-1809) who encountered the species in 1806. The native habitat of Lewisia species is rocky ground and cliffs in western North America. Native Americans ate the roots, which have also been used to treat sore throats.
Luetkea is a genus of herbaceous plants in the family Rosaceae. One species is accepted. Luetkea pectinata is a mat-forming semi-shrub. It is endemic to the cold portions of western North America occurring in subarctic Alaska, Yukon, western Northwest Territories, and subalpine to alpine regions of British Columbia, southwestern Alberta, Washington, Oregon, Idaho, northern California and western Montana.
Chaenactis is a genus of plants in the family Asteraceae which are known generally as pincushions and dustymaidens.
Balsamorhiza is a genus of plants in the family Asteraceae known commonly as balsamroots. These are perennials with fleshy taproots and caudices bearing erect stems and large, basal leaves. Atop the tall stems are showy yellow sunflower-like blooms. Balsamroots are native to western North America.
Antennaria luzuloides is a North American species of flowering plant in the family Asteraceae known by the common name rush pussytoes. The species is native to western Canada and the western United States.
Cirsium scariosum is a species of thistle known by the common names meadow thistle, elk thistle and dwarf thistle. It is native to much of western North America from Alberta and British Columbia, south to Baja California. There are also isolated populations on the Canadian Atlantic Coast, on the Mingan Archipelago in Québec, where it is called the Mingan thistle.
Crepis occidentalis is a North American species of flowering plant in the family Asteraceae known by the common names western hawksbeard, or largeflower hawksbeard. It is native to western Canada and the western United States.
Crepis runcinata is a North American species of flowering plant in the family Asteraceae known by the common name fiddleleaf hawksbeard. It is native to western and central Canada, the western and central United States and northern Mexico (Chihuahua).
Eucephalus is a genus of North American flowering plants in the family Asteraceae.
Sabulina nuttallii is a species of flowering plant in the family Caryophyllaceae known by the common names Nuttall's sandwort and brittle sandwort.
Hydrophyllum capitatum, is a species of waterleaf known by the common name ballhead waterleaf. It is native to Western North America from British Columbia to Utah.
Erigeron pumilus, the shaggy fleabane, or vernal daisy, is a hairy North American species of perennial plants in the family Asteraceae. It is widespread across much of western Canada and the western United States, from British Columbia east to Saskatchewan and south as far as Oklahoma and the San Bernardino Mountains of California. There have been reports of the plant growing in Yukon Territory, but these were based on misidentified specimens.
Arnica ovata is a North American species of flowering plant in the family Asteraceae, known by the common name sticky leaf arnica. It is native to western Canada, and the western United States.
Asimitellaria is a genus of flowering plants in the family Saxifragaceae that is native to Japan and Taiwan. Formerly a section in the genus Mitella, Asimitellaria was elevated to genus rank in 2021.
