Calycadenia is a genus of flowering plants in the family Asteraceae, known commonly as the western rosinweeds. They are native to California, especially around the Central Valley. The ranges of two species (C. fremontii + C. truncata) do extend north into Oregon.
Coreopsis calliopsidea is a species of flowering plant in the daisy family known by the common name leafstem tickseed. It is endemic to California. The plant grows in some of the southern coastal mountain ranges and Transverse Ranges and the Mojave Desert from Alameda and Inyo Counties south to Riverside County.
Erigeron elegantulus is a North American species of flowering plants in the family Asteraceae known by the common names blue dwarf fleabane and volcanic daisy.
Hulsea nana is a North American species of flowering plant in the family Asteraceae known by the common name dwarf alpinegold. It is native to the western United States from Washington, Oregon, and far northern California.
Chaenactis artemisiifolia, with the common name white pincushion, is a species of flowering plant in the daisy family. It is native to the coastal Peninsular Ranges of Southern California and Baja California, in the chaparral and woodlands.
Calycadenia fremontii is a species of flowering plant in the daisy family known by the common name Frémont's western rosinweed. It is native to southwestern Oregon and northern California. It is a common member of the flora in several types of habitat in the mountains, foothills, and valleys. This annual plant is variable in appearance.
Calycadenia hooveri is a California species of flowering plant in the family Asteraceae known by the common name Hoover's western rosinweed. It is endemic to a short portion of the western Sierra Nevada foothills, where it grows in rocky areas in the hills along from Amador County to Madera County.
Calycadenia mollis is a species of flowering plant in the family Asteraceae known by the common name soft western rosinweed. It is native to a section of central California, from Tuolumne County do northern Tulare County. There are also isolated populations farther north in Nevada County. The plant grows in a number of habitat types in the Central Valley and adjacent Sierra Nevada foothills.
Calycadenia multiglandulosa is a species of flowering plant in the family Asteraceae, known by the common names sticky calycadenia and sticky western rosinweed. It is endemic to California, where it is a common in the Coast Ranges and in the Sierra Nevada Foothills from Shasta County to Kern County.
Calycadenia oppositifolia is a species of flowering plant in the family Asteraceae known by the common name Butte County western rosinweed. It is native primarily to Butte County, California, although a few populations have been found in other parts of the state. It grows in the foothills of the high mountain ranges.
Calycadenia pauciflora is a species of flowering plant in the family Asteraceae known by the common name smallflower western rosinweed. It is endemic to northern California, where it grows in the Coast Ranges north of the San Francisco Bay Area from Napa County to Tehama County.
Calycadenia spicata is a species of flowering plant in the family Asteraceae known by the common name spiked western rosinweed. It is endemic to central California, where is a common grassland plant in the Central Valley and adjacent Sierra Nevada foothills from Butte County to Kern County.
Calycadenia truncata is a species of flowering plant in the family Asteraceae known by the common name Oregon western rosinweed. It is native to southwestern Oregon and northern and central California. It is found in the Cascades, the Coast Ranges, and the foothills of the Sierra Nevada as far south as Monterey and Tulare Counties.
Cirsium scariosum is a species of thistle known by the common names meadow thistle, elk thistle and dwarf thistle. It is native to much of western North America from Alberta and British Columbia south to Baja California. There are also isolated populations on the Canadian Atlantic Coast, on the Mingan Archipelago in Québec.
Coreopsis douglasii is a species of flowering plant in the family Asteraceae 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.
Crepis acuminata is a North American species of flowering plant in the daisy family known by the common name tapertip hawksbeard. It is native to the western United States where it grows in many types of open habitat.
Crepis bakeri is a species of flowering plant in the daisy family known by the common name Baker's hawksbeard. It is native to the western United States where it grows in many types of mountain and plateau habitat. It is found in Oregon, Washington, Idaho, northern California, Nevada, and Utah.
Crepis intermedia is a North American species of flowering plants in the daisy family known by the common name limestone hawksbeard. It is native to the Pacific Northwest, Columbia Plateau, Great Plains and Southwestern regions of western North America.
Chaenactis suffrutescens is a species of flowering plant in the aster family known by the common name Shasta chaenactis.
Heterotheca shevockii is a rare species of flowering plant in the family Asteraceae known by the common names Kern Canyon false goldenaster and Shevock's goldenaster. It is endemic to California in the United States, where it is known only from Kern County. It grows along a 21-mile stretch of the Kern River.
