Ptelea trifoliata, commonly known as common hoptree, wafer ash, stinking ash, and skunk bush, is a species of flowering plant in the citrus family (Rutaceae). It is native to North America, where it is found in Canada, Mexico, and the United States. It is a deciduous shrub or tree, with alternate, trifoliate leaves.
Pinus sabiniana, with vernacular names including towani pine, foothill pine, gray pine, bull pine, and digger pine, is a pine endemic to California in the United States. Some sources discourage using the name "digger pine," considering it pejorative.
Dendromecon rigida, also called bush poppy or tree poppy, is a shrub or small tree of the Papaveraceae native to California and Baja California.
Cupressus bakeri, reclassified as Hesperocyparis bakeri, with the common names Baker cypress, Modoc cypress, or Siskiyou cypress, is a rare species of cypress tree endemic to a small area across far northern California and extreme southwestern Oregon, in the western United States.
Fremontodendron californicum, with the common names California flannelbush, California fremontia, and flannel bush, is a flowering shrub native to diverse habitats in southwestern North America.
Frangula californica is a species of flowering plant in the buckthorn family native to western North America. It produces edible fruits and seeds. It is commonly known as California coffeeberry and California buckthorn.
Prosopis pubescens, commonly known as screwbean mesquite, is a species of flowering shrub or small tree in the pea family, Fabaceae, that is native to the southwestern United States and northern Mexico.
Ranunculus californicus, commonly known as the California buttercup, is a flowering plant of the buttercup family Ranunculaceae. It is a native of California, where it is common in many habitats, including chaparral and woodlands.
Parkinsonia florida, the blue palo verde, is a species of palo verde native to the Sonoran Deserts in the Southwestern United States and Northwestern Mexico. Its name means "green pole or stick" in Spanish, referring to the green trunk and branches, that perform photosynthesis.
Solanum xanti, known commonly as chaparral nightshade, purple nightshade, and San Diego nightshade, is a member of the genus Solanum. It is native to the Western United States in Arizona, California, Nevada, and Oregon, and to northwest Mexico in Baja California.
Iris fernaldii, commonly known as Fernald's iris, is a species of iris endemic to western Northern California. It is native to the Inner and Outer North California Coast Ranges, such as the Santa Cruz Mountains, and surrounding the San Francisco Bay Area. It is found between 164–6,562 feet (50–2,000 m) in elevation. It grows in full sun near the coast, and afternoon shade inland.
Asclepias fascicularis is a species of milkweed known by the common names narrowleaf milkweed and Mexican whorled milkweed. It is a perennial herb that grows in a variety of habitats.
Ferocactus cylindraceus is a species of barrel cactus which is known by several common names, including California barrel cactus, Desert barrel cactus, compass barrel cactus, and miner's compass. It was first described by George Engelmann in 1853.
Sambucus racemosa is a species of elderberry known by the common names red elderberry and red-berried elder.
Juglans hindsii, commonly called the Northern California black walnut and Hinds's black walnut, is a species of walnut tree native to the western United States. It is commonly called claro walnut by the lumber industry and woodworkers, and is the subject of some confusion over its being the root stock for English walnut orchard stock.
Mirabilis laevis, the desert wishbone-bush, is a recently redefined species of flowering plant in the four o'clock family. Distribution is in the Southwestern United States and northwest Mexico.
Christella puberula, synonym Thelypteris puberula, is a species of fern known by the common name showy maiden fern. The variety Ch. puberula var. sonorensis is known by the common name Sonoran maiden fern.
Cupressus nevadensis, now reclassified as Hesperocyparis nevadensis, with the common name Paiute cypress, is a species of cypress tree native to a small area in Sierra Nevada of California, in the western United States.
Nassella cernua is a species of grass known by the common name nodding needlegrass.
