| Heterotheca oregona | |
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| Species: | H. oregona |
| Binomial name | |
| Heterotheca oregona | |
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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. [2] [3] [4]
Heterotheca oregona is found in low-elevation mountain forests and chaparral, often near water. This is a perennial herb which is variable in appearance, with four somewhat indistinct varieties. It reaches a maximum height of 20 centimeters (8 inches) to one meter (40 inches), and is covered in small bristles. The inflorescence contains 1-15 flower heads in a flat-topped array. Each head has 14-60 yellowish disc florets but no ray florets. The fruit is an achene with a long grayish pappus. [5]
Heterotheca, are North American plants in the sunflower family.
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 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.
Hymenopappus filifolius is a North American species of flowering plant in the daisy family known by the common names fineleaf hymenopappus and Columbia cutleaf. It is native to western and central North America from Alberta and Saskatchewan south as far as Chihuahua and Baja California.
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.
Erigeron petrophilus is a species of flowering plant in the daisy family known by the common names rockloving erigeron or cliff fleabane. It is native to the mountain ranges of California from Siskiyou County south as far as San Luis Obispo County and El Dorado County. It also grows in southwestern Oregon.
Dieteria canascens is an annual plant or short lived perennial plant in the daisy family, known by the common names hoary tansyaster and hoary-aster.
Heterotheca monarchensis is a rare species of flowering plant in the aster family known by the common names monarch goldenaster and sequoia false goldenaster. It is endemic to Fresno County, California, where it is known from only one location near Boyden Cave in the Kings River Canyon. It grows in the limestone cliffs of this Sierra Nevada river canyon, along with a few other rare local endemics. The plant was discovered in July, 1995, and described to science as a new species in 1996.
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 pumilus, the shaggy fleabane, or vernal daisy, is a hairy North American species of perennial plants in the. It is widespread across much of western Canada and the western United States, from British Columbia east to Saskatchewan and south as far as Oklahoma and the San Bernardino Mountains of California. There have been reports of the plant growing in Yukon Territory, but these were based on misidentified specimens.
Brickellia oblongifolia is North American species of plants in the sunflower family. It is widespread across arid and semi-arid regions in the western United States and Canada, from British Columbia south to southern California, Arizona, and New Mexico.
Bradburia pilosa is a North American species of flowering plants in the daisy family, native to the south-central United States, primarily the southeastern Great Plains and lower Mississippi Valley, in the states of Texas, Oklahoma, Kansas, Missouri, Arkansas, Louisiana, Tennessee, Mississippi, and Alabama. Additional populations are reported farther east but these appear to be introductions.
Chrysopsis gossypina, called the Cottony goldenaster, is a North American species of flowering plant in the aster family. It is native to the Coastal Plain of the southeastern United States, from eastern Louisiana to southeastern Virginia.
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.
Heterotheca fulcrata, known by the common name rockyscree false goldenaster, is a North American species of flowering plant in the aster family. It has been found in northern Mexico and in the western United States.
Heterotheca canescens, common name hoary goldenaster, is a North American species of flowering plant in the aster family. It has been found in northern Mexico and in the Great Plains of the central United States.
Heterotheca marginata, Sonora false goldenaster, is a rare North American species of flowering plant in the aster family. It grows in Arizona in the southwestern United States. It has been found in only three counties in the south-central part of the state: Maricopa, Pinal, and Gila.
Heterotheca rutteri, called the Huachuca goldenaster or Rutter's false goldenaster, is a rare North American species of flowering plant in the aster family. It has been found only in the Huachuca and Santa Rita Mountains of southern Arizona and northern Sonora.
Heterotheca stenophylla, called the stiffleaf goldenaster, is a North American species of flowering plant in the aster family. It grows on the Great Plains of the central United States from South Dakota south to Texas and New Mexico.
Heterotheca villosa, called the hairy goldenaster, is a North American species of flowering plant in the aster family. It widespread across the central and western parts of the continent, from Ontario west to British Columbia and south as far as Illinois, Kansas, Nuevo León, Guanajuato, and northern Baja California.
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