Acanthomintha duttonii is a species of annual plant endemic to San Mateo County, California in the family Lamiaceae. It is commonly called San Mateo thornmint and is found growing on serpentine soils near the Crystal Springs Reservoir in a six-mile (10 km) long strip on the east side of Montara Mountain at elevations of approximately 150 to 300 meters.
Castilleja exserta is a species of plant in the genus Castilleja which includes the Indian paintbrushes. Its common names include purple owl's clover, escobita, and exserted Indian paintbrush.
Castilleja angustifolia is a species of wildflower known by the common names northwestern Indian paintbrush and desert Indian paintbrush. It is an herbaceous perennial native to the desert, scrublands, and woodlands of western North America. It grows in hot sandy soils and rock crevices in dry conditions.
Downingia montana is a species of flowering plant in the bellflower family known by the common name Sierra calicoflower. This showy wildflower is native to California, where it lives in the meadows and pine forests of the high mountains. Its range may extend into Oregon. This annual grows an erect stem, which may branch or not, with a few sparse small, pointed leaves. Atop the stem is usually one tubular flower. The upper lip is made up of two narrow, pointed lobes usually a shade of lavender, and the lower lip is the same color, with a central field of white and two prominent projections which may be colored yellow and dark purple. The lower lip has three lobes, each of which may have a tooth. The fruit is a capsule one to four centimeters long.
Downingia pulchella is a species of flowering plant in the bellflower family known by the common names flatface calicoflower and valley calicoflower. This showy, annual wildflower is endemic to California, where it is a resident of vernal pools and other wet places in the central part of the state from the Tehachapi Mountains to the San Francisco Bay Area.
Castilleja miniata is a species of Indian paintbrush known by the common name giant red Indian paintbrush. It is native to western North America from Alaska to Ontario to California to New Mexico, where it grows usually in moist places in a wide variety of habitat types.
Erythranthe primuloides is a Western United States perennial plant in the lopseed family (Phrymaceae), known by the common name primrose monkeyflower. It was formerly known as Mimulus primuloides.
Monardella purpurea is a species of flowering plant in the mint family known by the common names Siskiyou monardella and serpentine monardella.
Orthocarpus bracteosus is a species of flowering plant in the broomrape family known by the common name rosy owl's-clover. It is native to western North America from British Columbia to northern California, where it grows in moist mountain habitat, such as meadows.
Orthocarpus imbricatus is a species of flowering plant in the broomrape family known by the common name mountain owl's-clover. It is native to western North America from British Columbia to northern California, where it grows in meadows and other mountain habitat.
Orthocarpus luteus is a species of flowering plant in the broomrape family known by the common name yellow owl's-clover. It is native to much of western and central North America, where it grows in many types of plateau, grassland, and mountain habitat.
Orthocarpus pachystachyus is a rare species of flowering plant in the broomrape family known by the common names Shasta owl's-clover and Shasta orthocarpus. It is endemic to central Siskiyou County, California, where it is so rarely seen it was thought to be extinct until 1996, when eight individuals were located. The plant grows in an isolated wilderness but since it apparently only occurs on one single hillside it is considered very vulnerable to extinction.
Streptanthus fenestratus is an uncommon species of flowering plant in the mustard family known by the common name Tehipite Valley jewelflower.
Streptanthus tortuosus is a biennial or short lived perennial plant in the mustard family (Brassicaceae) known by the common names shieldplant, shieldleaf, and mountain jewelflower.
Triphysaria floribunda is a rare species of flowering plant in the family Orobanchaceae known by the common name San Francisco owl's-clover. It is endemic to California, where it is known only from the San Francisco Bay Area. It is limited to coastal regions of Marin, San Francisco, and San Mateo Counties, where it occurs in coastal prairie habitats, sometimes on serpentine soils.
Triphysaria micrantha is a species of flowering plant in the family Orobanchaceae known by the common name purplebeak owl's-clover. It is endemic to California, where it is known from the grasslands of the Central Valley and the foothills to the east and west. It an annual herb producing a hairy, glandular, purple-colored stem up to about 15 centimeters in maximum height. Like many species in its family it is a facultative root parasite on other plants, attaching to their roots via haustoria to tap nutrients. Its greenish to red-purple leaves are up to 2.5 centimeters long and are sometimes divided into a few narrow, pointed lobes. The inflorescence is a spike of flowers a few centimeters in length. Each flower has a narrow purple upper lip and a wide lower lip which is divided into yellowish or white pouches, often with purple markings on the lower parts.
Triphysaria pusilla is a species of flowering plant in the family Orobanchaceae known by the common name dwarf owl's-clover.
Triphysaria versicolor is a species of flowering plant in the family Orobanchaceae known by the common name yellowbeak owl's-clover.
Castilleja rhexiifolia, commonly called rosy paintbrush, subalpine paintbrush, or rhexia-leaved paintbrush, is a species of plant in Orobanchaceae, commonly known as the broomrape family. They are a common flower found in moist habitats near or above timberline in the Rocky Mountains and the Pacific Northwest. Like most members of the Castilleja genus, they are partially parasitic plants.
