Olsynium douglasii is a species of flowering plant in the iris family (Iridaceae). Common names include Douglas' olsynium, Douglas' grasswidow, grass-widow, blue-eyed grass, purple-eyed-grass, and satin flower, It is native to western North America, from southern British Columbia south to northern California, and east to northwest Utah. It is the only species in the genus Olsynium in North America, the remaining 11 species being from South America. It was formerly treated in the related genus Sisyrinchium.
Baccharis glutinosa is a species of flowering plant in the daisy family known by the common names saltmarsh baccharis and Douglas' falsewillow.
Pogogyne is a small genus of flowering plants in the mint family known generally as mesamints or mesa mints. They are native to Oregon, Idaho, California, and Baja California.
Crataegus douglasii is a North American species of hawthorn known by the common names black hawthorn and Douglas' thornapple. It is named after David Douglas, who collected seed from the plant during his botanical explorations.
Acanthomintha ilicifolia, known by the common name San Diego thornmint, is a rare species of flowering plant in the mint family. It is native to Baja California and San Diego County, California, where it is a resident of the chaparral and coastal sage scrub plant communities and vernal pools.
Astragalus kentrophyta is a species of milkvetch known by the common name spiny milkvetch. It is native to western North America from central to west Canada, to California, to New Mexico. It grows in rocky mountainous areas, such as the Sierra Nevada, and on plateaus.
Chorizanthe douglasii is a species of flowering plant in the buckwheat family known by the common names San Benito spineflower and Douglas' spineflower. It is endemic to California, where it grows in the mountains of the Southern California Coast Ranges, from the Santa Lucia Range east to the Gabilan Range.
Cirsium douglasii is a species of thistle known by the common names Douglas' thistle and California swamp thistle.
Coreopsis douglasii is a species of flowering plant in the daisy family known by the common name Douglas' tickseed. It is native to California from Santa Clara County to San Diego County, as well as from Mohave County in Arizona.
Ribes divaricatum is a species in the genus Ribes found in the forests, woodlands, and coastal scrub of western North America from British Columbia to California. The three accepted varieties have various common names which include the word "gooseberry".
Microseris douglasii is a species of flowering plant in the aster family known by the common name Douglas' silverpuffs. It is native to western North America from Oregon and California to Baja California. It grows in several types of habitat, including grassland and vernal pools, and on soils containing clay and serpentine.
Minuartia douglasii is a species of flowering plant in the family Caryophyllaceae known by the common name Douglas' stitchwort.
Monardella douglasii is a species of flowering plant in the mint family known by the common name Douglas' monardella.
Pogogyne nudiuscula is a rare species of flowering plant in the mint family known by the common name Otay mesa mint. It is native to southern San Diego County, California, where it is known only from Otay Mesa near the border with Baja California. It was identified on land south of the Mexican border, but these occurrences have probably been extirpated. It is now known from seven vernal pool complexes just north of the border, and it is a federally listed endangered species of the United States.
Pogogyne serpylloides is a species of flowering plant in the mint family known by the common names thymeleaf mesamint and thymeleaf beardstyle. It is endemic to central California, where it grows in grassy habitat in coastal and inland mountain ranges and foothills. It is a petite aromatic annual herb growing decumbent or upright, often reaching no more than a centimeter in height even when erect in form, sometimes larger. The slender stem is sometimes branched. The inflorescence is a series of rounded, headlike clusters, with occasional single flowers emerging at leaf axils. The tiny tubular flower is 2 to 5 millimeters long and has a lobed, lipped mouth. It is lavender in color, sometimes with faint white markings in the mouth.
Pogogyne zizyphoroides is a species of flowering plant in the mint family known by the common names Sacramento mesamint and Sacramento beardstyle.
Scutellaria tuberosa is a species of flowering plant in the mint family known by the common name Danny's skullcap. It is native to western North America from Oregon through California to Baja California, where it is widespread throughout the mountain and coastal regions; it is absent from the deserts and the Central Valley of California. It can be found in forest and woodland habitat, and a variety of open habitat types, often appearing in areas recently cleared by wildfire. It is a perennial herb producing an erect stem or cluster of stems up to about 25 centimeters tall from a root system with tubers. The stems are coated in short, spreading hairs. The oval leaves are oppositely arranged. The lowest leaves are borne on short petioles. Flowers emerge from the leaf axils. Each flower is held in a calyx of sepals with a large ridge or dome-shaped appendage on the upper part. The tubular corolla is one to two centimeters long and has a large upper and lower lip. The upper lip is folded into a beaklike protrusion and the lower has three wide lobes. The corolla is deep purple-blue, usually with a white patch or mottling on the lower lip.
Silene douglasii is a species of flowering plant in the family Caryophyllaceae known by the common name Douglas's catchfly.
Stachys chamissonis is a species of flowering plant in the mint family known by the common name coastal hedgenettle. It is native to the west coast of North America, where it grows in moist coastal habitat from Alaska to central California. This mint produces an erect stem 1 to 2+1⁄2 meters. It is hairy, glandular, and aromatic. The oppositely arranged leaves have pointed, wavy-edged blades up to 18 centimeters (7.1 in) long which are borne on petioles. The hairy, glandular inflorescence is made up of interrupted clusters of up to six flowers each. The flower has a deep pink tubular corolla which can be over 3 centimeters (1.2 in) long. The corollas are borne in hairy calyces of purple or purple-tinged sepals.
Cardamine douglassii, the limestone bittercress or purple cress, is a perennial forb native to the eastern and central United States as well as the province of Ontario in Canada, that produces white to pink or purple flowers in early spring.
