Erigeron robustior | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Asterales |
Family: | Asteraceae |
Genus: | Erigeron |
Species: | E. robustior |
Binomial name | |
Erigeron robustior | |
Synonyms [2] | |
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Erigeron robustior is a North American species of flowering plant in the family Asteraceae known by the common name white cushion fleabane [3] or Willamette fleabane. [4] It is native to the southwestern Oregon and northern California in the western United States. [5] [4]
Erigeron robustior grows in rocky or gravely slopes, sometimes in serpentine soil. It is an perennial herb up to 55 centimeters (22 inches) tall, forming a thin tap root, not growing into colonies as do some of the other species in the genus. The inflorescence usually contains one to three flower heads. Each head contains 21–36 white or pink ray florets surrounding many yellow disc florets. [3] [6]
Erigeron is a large genus of plants in the composite family (Asteraceae). It is placed in the tribe Astereae and is closely related to the Old World asters (Aster) and the true daisies (Bellis). The genus has a cosmopolitan distribution, and the highest diversity occurs in North America.
Erigeron concinnus, the Navajo fleabane, tidy fleabane or hairy daisy, is a perennial flowering plant in the family Asteraceae.
Erigeron annuus, the annual fleabane, daisy fleabane, or eastern daisy fleabane, is a species of herbaceous flowering plant, annual or biennial, in the family Asteraceae.
Erigeron breweri is a North American species of flowering plants in the family Asteraceae known by the common name Brewer's fleabane.
Erigeron clokeyi is a North American species of flowering plant in the family Asteraceae known by the common name Clokey's fleabane, or Clokey's daisy.
Erigeron compactus is a species of flowering plant in the family Asteraceae known by the common names cushion daisy, fernleaf fleabane, and compact daisy.
Erigeron eatonii is a North American species of flowering plants in the family Asteraceae known by the common name Eaton's fleabane.
Erigeron reductus is a species of flowering plant in the family Asteraceae known by the common name lesser California rayless fleabane. It is endemic to California, from Trinity County south as far as Alameda County and El Dorado County.
Erigeron maniopotamicus is a rare species of flowering plant in the family Asteraceae known by the common name Mad River fleabane. It is endemic to northwestern California, where it is known from only four locations in Humboldt and Trinity Counties.
Erigeron serpentinus is a rare species of flowering plant in the family Asteraceae known by the common names serpentine fleabane and serpentine daisy. It is endemic to Sonoma County, California, where it is known from three occurrences in and around The Cedars, in the Coast Ranges east of Salt Point and west of Healdsburg. There are an estimated 1100 individuals in existence. The Cedars is a canyon habitat with serpentine soils surrounded by non-serpentine terrain; it is home to several rare serpentine-endemic plant species. This daisy was discovered there and described to science in 1992.
Erigeron decumbens is a species of flowering plant in the family Asteraceae known by the common names Willamette fleabane or Willamette daisy. It is native to Oregon and California in the United States.
Erigeron pulchellus, the Robin's plantain, blue spring daisy or hairy fleabane, is a North American species of plants in the family Asteraceae. It is widespread across much of the United States and Canada from Québec and Ontario south as far as eastern Texas and the Florida Panhandle.
Erigeron glacialis, the glacial daisy, glacial fleabane, Subalpine fleabane, or wandering fleabane, is a western North American perennial plant in the family Asteraceae.
Erigeron arisolius is a species of flowering plant in the family Asteraceae known by the common names arid throne fleabane and dry-sun fleabane. It is native to the southwestern United States (Arizona) and northwestern Mexico (Sonora).
Erigeron davisii is a North American species of flowering plant in the family Asteraceae known by the common name Davis's fleabane . It has been found only in Idaho and in northeastern Oregon.
Erigeron greenei is a North American species of flowering plant in the family Asteraceae known by the common name Greene's narrow-leaved daisy .
Erigeron poliospermus is a species of flowering plant in the family Asteraceae known by the common names gray-seeded fleabane, purple cushion fleabane, and hairy-seed fleabane. Native to western North America, it is mainly found to the east of the Cascade Range in Washington, Oregon, and Idaho.
Erigeron porsildii is an Arctic species of flowering plant in the family Asteraceae known by the common name Porsild's Arctic fleabane. It has been found in Alaska, Yukon, and the Northwest Territories.
Erigeron sionis is a North American species of flowering plant in the family Asteraceae known by the common name Zion fleabane. It has been found in the southwestern United States, only in southern Utah. Some of the populations are inside Zion National Park, after which the species is named.
Erigeron vicinus is a North American species of flowering plant in the family Asteraceae known by the common names neighbor fleabane and border fleabane. It grows in north-central Mexico and in western Texas in the United States. Some of the populations lie inside Big Bend National Park.