Heterotheca, are North American plants in the sunflower family.
Lasthenia burkei is a rare species of flowering plant in the family Asteraceae known by the common names Burke's goldfields and Burke's baeria.
Heterotheca grandiflora is a species of flowering plant in the daisy family known by the common name silk-grass goldenaster or telegraphweed. It is native to the southwestern United States and northwestern Mexico, but it can be found in other areas as an introduced species, such as Hawaii. It is often a roadside weed even where it is native.
Heterotheca oregona is a species of flowering plant in the daisy family known by the common name Oregon false goldenaster. It is native to the west coast of Canada and the United States in British Columbia, Washington, Oregon, and California as far south as Los Angeles County.
Heterotheca sessiliflora is a species of flowering plant in the daisy family known by the common name sessileflower false goldenaster. It is native to California, Sonora, and Baja California.
Symphyotrichum greatae is a species of flowering plant in the family Asteraceae endemic to California and known by the common name Greata's aster.
Constancea is a monotypic genus of flowering plants in the family Asteraceae containing the single species Constancea nevinii, which is known by the common name Nevin's woolly sunflower. It is endemic to three of the Channel Islands of California, where it grows in coastal scrub habitat. This is a small shrub or subshrub generally growing up to one or 1.5 meters tall, and taller when an erect form, with a branching, woolly stem. The whitish, woolly oval leaves may be up to 20 centimeters long and are divided into many narrow lobes with edges curled under. The inflorescence is a cluster of 10 to 50 or more small flower heads, each on a short peduncle. The flower head has a center of hairy, glandular, star-shaped yellow disc florets and a fringe of four to nine yellow ray florets, each about 2 millimeters long. The fruit is an achene a few millimeters long with a small pappus at the tip.
Madia radiata is a species of flowering plant in the family Asteraceae known by the common names golden madia and showy madia. It is endemic to California, where it is known mostly from the Central Coast Ranges and adjacent edges of the San Francisco Bay Area and Central Valley.
Perityle inyoensis, known by the common names Inyo rockdaisy and Inyo laphamia, is a rare species of flowering plant in the aster family.
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.
Townsendia condensata is a species of flowering plant in the family Asteraceae known by the common names cushion Townsend daisy and cushion townsendia. It is native to North America where it is known from many scattered occurrences in the mountains of the western United States and Alberta in Canada. It is mainly limited to the alpine climates of high mountain peaks, where it grows in meadows, tundra, and barren, rocky talus. It grows alongside other alpine plants such as Eriogonum androsaceum.
Agnorhiza reticulata, known by the common name El Dorado County mule's ears, is a rare species of flowering plant found only in a small region of north-central California.
Agnorhiza ovata is a species of flowering plant known by the common name southern mule's ears. It is native to the mountains and foothills of southern California and Baja California, occurring the Coast Ranges and Sierra Nevada foothills in Tulare, Kern, Ventura, Los Angeles, Orange, Riverside, and San Diego counties in California, with additional populations in the Peninsular Ranges south of the international border.
Gilia yorkii is a rare species of flowering plant in the phlox family known by the common names Boyden Cave gilia and monarch gilia. It is endemic to Fresno County, California, where it is known from only one location in the southern Sierra Nevada. This plant grows in rock cracks in the limestone cliffs and outcrops in the chaparral and woodlands of the canyon.
Heterotheca shevockii is a rare species of flowering plant in the aster family 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.
Erigeron kuschei is a rare species of flowering plant in the aster family known by the common name Chiricahua fleabane. It is endemic to Arizona in the southwestern United States, where it is known from two locations in the Chiricahua Mountains.
Erigeron basalticus is a species of flowering plant in the aster family known by the common names basalt fleabane and basalt daisy. It is endemic to Washington state in the United States, where it is known only from the banks of the Yakima River and its tributaries in Yakima and Kittitas Counties.
Penstemon degeneri is a species of flowering plant in the plantain family known by the common name Degener's beardtongue. It is endemic to Colorado in the United States, where it occurs in and around the Arkansas River Canyon in Fremont, Custer, and Chaffee Counties.
Heterotheca subaxillaris, known by the common name camphorweed, is a North American species of flowering plant in the aster family. It is widespread across much of the United States as well as Mexico and Belize.
Heterotheca camporum, known by the common name lemonyellow false goldenaster, is a North American species of flowering plant in the aster family. It is found only in the central United States, primarily the Ozarks, the Cumberland Plateau, and the middle Mississippi Valley. There are reports of additional populations in the Northeast, the Southeast, and in the Great Lakes region, but these appear to be waifs or naturalizations.
