Erysimum cheiri, syn. Cheiranthus cheiri, the wallflower, is a species of flowering plant in the family Brassicaceae (Cruciferae), native to Greece, but widespread as an introduced species elsewhere. It is also treated as a hybrid under the name Erysimum × cheiri. It is widely cultivated as a garden plant.
Genista canariensis is a species of flowering plant in the legume family Fabaceae, known by the common names Canary broom, Canary Islands broom or florist's genista. It is native to the Canary Islands, but it grows as an introduced species in mainland Europe, especially Spain, and on other continents. It has been introduced to California and Washington State in the US. This is a vigorous upright evergreen shrub growing to 3 m (9.8 ft) tall by 1.5 m (4.9 ft) broad, with hairy green stems. The leaves are made up of oval-shaped blue-green leaflets each up to a centimeter long and densely hairy on the undersides. The raceme inflorescence holds up to 20 bright yellow pea-like flowers. The fruit is a legume pod one to two centimeters long containing several dark brown seeds.
Keckiella corymbosa is a species of flowering shrub in the plantain family known by the common names redwood keckiella, red beardtongue, and red shrubby penstemon.
Kelloggia galioides is a species of flowering plant in the coffee family known by the common name milk kelloggia. It is a perennial herb that is native to the Western United States.
Erythranthe bicolor, the yellow and white monkeyflower, is a species of flowering plant in the lopseed family (Phrymaceae). It is endemic to California, United States. It was formerly known as Mimulus bicolor.
Diplacus bigelovii is a species of monkeyflower known by the common name Bigelow's monkeyflower. It is native to the southwestern United States, where it grows in desert and slope habitats. It was formerly known as Mimulus bigelovii.
Diplacus brevipes is a species of monkeyflower known by the common name widethroat yellow monkeyflower. It was formerly known as Mimulus brevipes.
Diplacus kelloggii is a species of monkeyflower known by the common name Kellogg's monkeyflower. It is native to the mountains and foothills of northern California and southern Oregon, where it grows in bare, disturbed, and shifting substrates, such as recent rockslides and scree.
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.
Diplacus pulchellus is an uncommon species of monkeyflower known by the common name yellowlip pansy monkeyflower. It was formerly known as Mimulus pulchellus.
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 cuspidatus is a species of flowering plant in the broomrape family known by the common names Copeland's owl's clover, Siskiyou Mountains orthocarpus, and toothed owl's-clover. It is native to mountain and plateau habitat in Oregon, California, and Nevada. It is an annual herb producing a slender, glandular, hairy, purple-green stem up to about 40 centimeters tall. The narrow leaves are up to 5 centimeters long, the upper ones deeply divided into three linear lobes. The inflorescence is a dense cylindrical spike of wide, oval green bracts with pinkish points. The flowers emerge from between the bracts. Each purple-pink flower is fuzzy in texture and club-shaped, the lower lip an expanded pouch and the upper lip a narrow, straight beak.
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 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.
Pedicularis semibarbata, known by the common name pinewoods lousewort, is a species of flowering plant in the family Orobanchaceae.
Senna didymobotrya is a species of flowering plant in the legume family known by the common names African senna, popcorn senna, candelabra tree, and peanut butter cassia. It is native to Africa, where it can be found across the continent in several types of habitats.
Triphysaria eriantha is a species of flowering plant in the family Orobanchaceae, known by the common names johnny-tuck and butter-and-eggs.
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 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.
