Dryopteris arguta, with the common name coastal woodfern, is a species of wood fern. It is native to the west coast and western interior mountain ranges of North America, from British Columbia, throughout California, and into Arizona.
Arctostaphylos catalinae, known by the common name Santa Catalina Island manzanita, is a species of manzanita native to Southern California. The evergreen shrub is found growing naturally only on Catalina and Santa Cruz Islands on the coast ridges. It thrives in maritime chaparral and can be used in coastal gardens.
Tauschia is a genus of flowering plants in the carrot family which are known as umbrellaworts. These are perennial plants with taproots or tubers and foliage generally resembling that of relatives parsley and carrot. Tauschia are native to the Americas.
Isocoma arguta is a rare species of flowering plant in the family Asteraceae known by the common name Carquinez goldenbush. It has been found only in Solano and Contra Costa Counties in California, where it grows in the Sacramento-San Joaquin River Delta. It is a resident of Suisun Marsh. It thrives on alkali flats and other mineral-rich soils.
Allium monticola is an uncommon species of wild onion known by the common name San Bernardino Mountain onion. It is endemic to southern California, where it is found in the Transverse Ranges and the northernmost section of the Peninsular Ranges. It has been reported from San Bernardino, Los Angeles, Orange, Ventura and Santa Barbara Counties.
Angelica arguta is a species of angelica known as Lyall's angelica. It is native to western North America, where it grows in coniferous forests from British Columbia to Utah. This is a taprooted perennial herb growing an erect, hollow stem to heights between one and two meters. It produces large, somewhat triangular leaves made up of many toothed, pointed leaflets each up to 9 centimeters long. The top of the stout stem is occupied by an inflorescence in a compound umbel arrangement, with the webbed rays of the umbel up to 10 centimeters long each. The flowers are generally yellowish.
Arctostaphylos silvicola is a species of manzanita known by the common names Bonny Doon or silverleaf manzanita. It is endemic to the sandhills of the southern Santa Cruz Mountains in California's Santa Cruz and Santa Clara counties.
Brickellia arguta is a North American species of flowering plant in the family Asteraceae known by the common name pungent brickellbush. It is native to the Mojave and Sonoran Deserts of California, Nevada, Arizona, and Baja California.
Camissoniopsis lewisii is a species of evening primrose known by the common name Lewis' evening primrose. It is native to southern California and Baja California, where it grows in coastal habitat and on the grasslands of the inland mountain ranges. as an example occurrence in Baja California, C. lewisii occurs in association with Mimulus aridus and Adiantum jordanii.
Prosartes hookeri is a North American species of flowering plants in the lily family known by the common names drops of gold and Hooker's fairy bells.
Leptosiphon androsaceus is a species of flowering plant in the phlox family known by the common name of false babystars.
Phacelia davidsonii is a species of phacelia known by the English name Davidson's phacelia named by Asa Gray for the discoverer of this annual plant, Anstruther Davidson, a Scottish naturalist who emigrated from Scotland to Los Angeles, California, in the late nineteenth century. This native forb occurs in southern California and southern Nevada, where it grows in mountains and foothills in chaparral and woodland habitats. In California, this herb is found in the Southern Sierra Nevada, Transverse Ranges, and Peninsular Ranges.
Sanicula arguta is a species of flowering plant in the family Apiaceae known by the common names sharptooth sanicle and sharptooth blacksnakeroot.
Packera ganderi is a rare species of flowering plant in the aster family known by the common name Gander's ragwort. It is endemic to southern California, where it is known from a few occurrences in San Diego and Riverside Counties.
Tauschia glauca is a species of flowering plant in the carrot family known by the common name glaucous umbrellawort, or glaucous tauschia. It is native to the forests of Oregon and northern California, where it can often be found on serpentine soils. It is a perennial herb growing 20 to 40 centimeters tall. The leaves have blades which are divided into three-lobed leaflets and borne on long, thin petioles. The inflorescence is a compound umbel of yellow flowers with up to 12 unequal rays measuring up to 6 centimeters long each. The fruit is rounded, ribbed, and only 2 or 3 millimeters long.
Tauschia hartwegii is a species of flowering plant in the carrot family known by the common name Hartweg's umbrellawort. It is endemic to California, where it is known from the Sierra Nevada foothills and some of the Central Coast Ranges. Its habitat includes coniferous woodlands and chaparral. It is a perennial herb growing 30 centimeters to one meter tall. It is coated in short, rough hairs. The leaves have blades which are divided into oval leaflets with serrated edges and borne on long petioles. The inflorescence is a compound umbel of yellow flowers with up to 30 unequal rays measuring 2 to 12 centimeters long each. The fruit is somewhat rounded in shape, ribbed, and under a centimeter long.
Tauschia howellii is a rare species of flowering plant in the carrot family known by the common names Howell's umbrellawort and Howell's tauschia. It is endemic to the Klamath Mountains of far southern Oregon and far northern California, where it is limited to nine occurrences in the Siskiyou Mountains. It grows in mountain forests on gravelly granite soils, often among stands of Shasta red fir. Despite its rarity it is stable and not considered very endangered. It is a perennial herb growing 30 to 80 centimeters tall. It is hairless in texture. The thick leaves have blades which are divided into leaflets large, sharp teeth and edges curved up, and borne on long petioles. The short inflorescence is a compound umbel of yellow flowers on a few short rays. The fruit is oblong, ribbed, and just a few millimeters long.
Tauschia kelloggii is a species of flowering plant in the carrot family known by the common name Kellogg's umbrellawort. It is native to the mountains of Oregon and the northern half of California, where it grows in chaparral, woodlands, forest, and other types of habitat. It is a perennial herb growing up to 70 centimeters tall. The leaves have blades which are divided into toothed or serrated leaflets, and sometimes subdivided further. The inflorescence is a compound umbel of yellow flowers with 10 to 20 rays measuring 2 to 12 centimeters long each. The fruit is somewhat rounded in shape, ribbed, and up to half a centimeter long.
Tauschia parishii is a species of flowering plant in the carrot family known by the common name Parish's umbrellawort. It is endemic to California.
Veratrum hybridum is a species of flowering plant in the Melanthiaceae known by the common names slender bunchflower and crisped bunchflower. Many publications use the synonyms Melanthium latifolium and Veratrum latifolium, but the "hybridum" epithet is 9 years older than the "latifolium," so Veratrum hybridum is now the accepted name.
