Ericameria bloomeri is a species of flowering shrubs in the daisy family known by the common names Bloomer's rabbitbush and Bloomer's goldenbush. This plant is native to the mountains of western North America from British Columbia to California, including Washington, Oregon, Idaho, and Nevada. Some sources say it has probably been extirpated from Canada.
Ericameria discoidea, called whitestem goldenbush or sharp-scale goldenweed or whitestem goldenbush or sharp-scale goldenweed, is a species of flowering shrub in the daisy family known by the common name whitestem goldenbush. This plant is native to the western United States from California, Oregon, Nevada, Utah, Colorado, Idaho, and Montana.
Layia fremontii is a species of flowering plant in the family Asteraceae known by the common name Frémont's tidytips. Both its common name, and its specific epithet are derived from John C. Frémont.
Arnica cordifolia is a species of arnica in the sunflower family, known by the common name heartleaf arnica. It is native to western North America from Alaska to California to New Mexico, as far east as Ontario and Michigan. It is a plant of many habitat types, including coniferous forests, and moist mountain meadows from sea level to above 12,000 feet (3,700 m), but most commonly 4,000–11,000 feet (1,200–3,400 m).
Eucephalus breweri is a North American species in the family Asteraceae known by the common name Brewer's aster. It is native to California where it grows primarily in the Sierra Nevada at subalpine elevations. Its range extends into northwestern Nevada and southwestern Oregon.
Calycadenia oppositifolia is a species of flowering plant in the family Asteraceae known by the common name Butte County western rosinweed. It is native primarily to Butte County, California, although a few populations have been found in other parts of the state. It grows in the foothills of the high mountain ranges.
Lessingia arachnoidea is a rare species of flowering plant in the family Asteraceae known by the common name Crystal Springs lessingia. It is endemic to California, where it is known from a few occurrences in the vicinity of Crystal Springs Reservoir on the San Francisco Peninsula and southward to serpentine soil in Woodside. It may also exist in Sonoma County to the north. The plant grows in chaparral, scrub, and other local plant communities, often on serpentine soils.
Lessingia germanorum is a rare species of flowering plant in the family Asteraceae known by the common name San Francisco lessingia. It is endemic to California, where it is known from four populations in the Presidio of San Francisco and one occurrence on San Bruno Mountain south of San Francisco. It is a state and federally listed endangered species. The already rare plant is endangered by many processes, including invasive species, development, sand mining, off-road vehicles and bulldozers, habitat fragmentation, trampling, and pollution, as well as stochastic events.
Lessingia hololeuca is a species of flowering plant in the family Asteraceae known by the common name woollyhead lessingia.
Lessingia lemmonii is a species of flowering plant in the family Asteraceae known by the common name Lemmon's lessingia. It is native to the western United States around the intersection of Nevada, Arizona, and California, where it grows in desert and other habitat with sandy soils. This is an annual herb producing gray-green woolly stems in a low clump just a few centimeters high to a relatively erect 40 centimeters tall. The leaves are narrow and small, under 2 centimeters long, with much larger leaves appearing around the base of the young plant and withering away early. The flower heads appear singly or in open arrays. Each head has a bell- to bullet-shaped involucre lined with hairy to woolly phyllaries. The head is discoid, containing no ray florets but many funnel-shaped yellow disc florets with long lobes. The florets often have white markings in the throats. The fruit is an achene with a whitish or brownish pappus of bristles.
Lessingia leptoclada is a species of flowering plant in the family Asteraceae known by the common name Sierra lessingia. It is endemic to the Sierra Nevada of California, where it is known from several types of local habitat. This is a slender annual herb growing erect and varying in size from just a few centimeters to nearly a meter tall, with long, spreading branches. It is very glandular and often hairy or woolly in texture. The upper leaves are up to 5 centimeters long, narrow and sometimes toothed or lobed; the lower leaves are longer and wither early. The flower heads appear singly or in small clusters. Each head is lined with woolly phyllaries. The head is discoid, containing no ray florets but many funnel-shaped pinkish, lavender, or light bluish-purple disc florets with large lobes. The fruit is an achene with a whitish pappus of bristles.
Lessingia micradenia is a rare species of flowering plant in the family Asteraceae known by the common name Mt. Tamalpais lessingia. It is endemic to the San Francisco Bay Area of California, where it occurs in areas with serpentine soils. The species is divided into two rare varieties, each with a limited occurrence on opposite sides of the Bay Area. Lessingia micradenia var. glabrata is found in several locations across Santa Clara County south of San Jose, while var. micradenia is known only from a few spots around Mount Tamalpais in Marin County.
Lessingia nemaclada is a species of flowering plant in the family Asteraceae known by the common name slenderstem lessingia. It is endemic to California, where it is widespread across the northern parts of the Central Valley and adjacent foothills and mountains, including the Sierra Nevada foothills and the mountains of the San Francisco Bay Area. It grows in a variety of habitats. This annual herb is quite variable in appearance. It may be petite and just a few centimeters tall, or over half a meter in erect height with many spreading branches. It is generally glandular, with knobby glands most easily seen on the leaves, and often hairy to woolly. The upper leaves are small and unlobed, and the lower leaves are larger and sometimes lobed or toothed but wither early. The flower heads appear singly or in small clusters. Each head is lined with hairless, glandular phyllaries. The head is discoid, containing no ray florets and just a few pale purple, pinkish, or nearly white funnel-shaped disc florets with narrow lobes. The fruit is an achene with a whitish pappus of bristles which may be fused into points.
Lessingia tenuis is a species of flowering plant in the family Asteraceae known by the common name spring lessingia. It is endemic to California, where it is known from the San Francisco Bay Area to Ventura County. It grows on the slopes of the California Coast Ranges in common local habitat such as chaparral.
Lessingia virgata is a species of flowering plant in the family Asteraceae known by the common name wand lessingia. It is endemic to California, where it is known from the eastern side of the Central Valley and adjacent Sierra Nevada foothills. It is a woolly, glandular annual herb growing up to about 60 centimeters tall with slender, spreading branches. The upper leaves are no more than a centimeter long, while the lower ones are longer and sometimes divided into lobes or teeth. The flower heads appear singly in leaf axils, each lined with purple-tipped, glandular, woolly phyllaries. The head is discoid, containing no ray florets but a few tubular light lavender to nearly white disc florets with long, narrow lobes. The fruit is an achene with a whitish pappus on top.
Madia exigua is a species of flowering plant in the family Asteraceae known by the common names small tarweed and threadstem madia.
Harmonia hallii is a species of flowering plant in the family Asteraceae known by the common names Hall's harmonia and Hall's madia.
Pyrrocoma carthamoides is a species of flowering plant in the family Asteraceae known by the common name largeflower goldenweed. It is native to western North America from British Columbia to northeastern California to Wyoming, where it is known from grassland, woodlands, forests, barren areas, and other habitat. It is a perennial herb growing from a taproot and producing one or more stems to about half a meter in maximum length, the stems reddish-green and leafy. The largest leaves are at the base of the stem, measuring up to 20 centimeters long, lance-shaped with spiny sawtoothed edges. Leaves higher on the stem are smaller and hairier. The inflorescence is a single flower head or a cluster of up to four. Each bell-shaped head is lined with phyllaries each up to 2 centimeters long. It has many yellow disc florets surrounded by a fringe of yellow ray florets up to 7 millimeters long; ray florets are occasionally absent. The fruit is an achene which may be well over a centimeter in length including its pappus.
Pyrrocoma lucida is a species of flowering plant in the family Asteraceae known by the common names sticky goldenweed and sticky pyrrocoma. It is endemic to California, where it is known only from the northern Sierra Nevada. It grows in mountain forests and clay flats with alkali soils. This is a perennial herb growing from a taproot, producing an erect stem up to 75 centimetres (30 in) tall. It is hairless and glandular, its surface resinous and shiny. The leaves are lance-shaped with sharply toothed edges, the largest near the base of the stem reaching 25 centimetres (10 in) in length. Smaller leaves up to 10 centimetres (4 in) long occur higher on the stem. The inflorescence is a narrow spikelike array of many flower heads lined with thick, overlapping, gland-dotted phyllaries. Each head contains up to 40 yellow disc florets surrounded by a fringe of up to 20 yellow ray florets. The fruit is an achene up to a centimeter long including its pappus.
Rudbeckia californica is a species of flowering plant in the family Asteraceae, known by the common name California coneflower.
