Symphyotrichum greatae is a species of flowering plant in the family Asteraceae endemic to California and known by the common name Greata's aster.
Symphyotrichum depauperatum, commonly known as serpentine aster, is a rare species in the family Asteraceae adapted to serpentine barrens, an ecosystem with a high concentration of toxic metals in the soil. It has been found in Pennsylvania, Maryland, and on some diabase glades in North Carolina. It grows to 50 centimeters and has white ray florets surrounding a center of yellow disk florets.
Symphyotrichum prenanthoides is a species of flowering plant in the family Asteraceae known by the common name crookedstem aster. It is native to northcentral and northeastern North America.
Symphyotrichum georgianum is a rare species of flowering plant in the Asteraceae, the aster family. Its common name is Georgia aster. It is native to the southeastern United States where it is known from Alabama, Florida, Georgia, North Carolina, and South Carolina. As of 2013, it may be extirpated from the state of Florida.
Symphyotrichum ciliatus is a species of flowering plant in the family Asteraceae native to North America and eastern Eurasia. Commonly known as rayless annual aster and rayless alkali aster, it is an annual, herbaceous plant that may reach over 70 centimeters tall. Each flower head has many whitish then pink disk florets and no ray florets ("rayless").
Symphyotrichum simmondsii is a species of flowering plant of the family Asteraceae endemic to the southeastern United States. Commonly known as Simmonds' aster, it is a colony-forming herbaceous perennial.
Symphyotrichum hallii is a species of flowering plant in the family Asteraceae endemic to western Oregon and Washington states. Commonly known as Hall's aster, it is a perennial, herbaceous plant with a long rhizome that creates colonies of itself. It grows about 30–60 centimeters tall, and has white rays that open July–August.
Symphyotrichum porteri is a species of flowering plant in the family Asteraceae endemic to the foothills of the Rocky Mountains in the U.S. states of Wyoming, Colorado, and New Mexico. Commonly known as Porter's aster, it is a perennial, herbaceous plant that may reach 10 to 50 centimeters tall. Its flowers have white, rarely pinkish, ray florets and yellow, becoming pink then brown, disk florets. S. porteri grows at elevations of 1,800–2,900 meters. Its limited range makes it a NatureServe Vulnerable (G3) species, and it is classified Critically Imperiled (S1) in Wyoming.
Symphyotrichum yukonense is a species of flowering plant in the family Asteraceae endemic to disjunct areas in Alaska and the Canadian territories of Yukon and Northwest Territories. Commonly known as Yukon aster, it is a perennial, herbaceous plant 5 to 30 centimetres tall. Its flowers have purple to blue ray florets and yellow to brown disk florets. S. yukonense grows at elevations of 300–1,500 metres in mud flats and on sandy or silty lake shores. It is a NatureServe Vulnerable (G3) species and is classified Imperiled (S2) in its Canadian range.
Symphyotrichum glabrifolium is a species of flowering plant in the family Asteraceae native to Argentina and Chile where it inhabits wet meadows and stream edges. It is a perennial, herbaceous plant that grows 5 to 25 centimetres tall. Its flowers have white or lilac ray florets and yellow disk florets.
Symphyotrichum graminifolium is a species of flowering plant in the family Asteraceae native to the South American countries of Argentina, Bolivia, Brazil, Paraguay, and Uruguay. It is a perennial, herbaceous plant that grows to 1.5 meters tall. Its numerous flowers are in broad corymbiform arrays with lilac or bluish ray florets.
Symphyotrichum patagonicum is a species of flowering plant in the family Asteraceae endemic to Argentina. It is an annual, herbaceous plant that grows 3 to 30 centimetres tall. Its flowers have short white ray florets in 3 or 4 series and numerous disk florets.
Symphyotrichum vahlii is a species of flowering plant in the family Asteraceae native to South America, specifically Bolivia, Chile, Argentina, and the Falkland Islands. It is herbaceous and grows 10 to 60 centimetres tall. Its flowers have white ray florets of length 6 millimetres. It grows in wetland areas of tall forests with trees that exceed 15 metres. One infraspecies is accepted, Symphyotrichum vahlii var. tenuifolium, in addition to the autonym S. vahlii var. vahlii.
Symphyotrichum regnellii is a species of flowering plant in the family Asteraceae native to Argentina and Brazil. It is herbaceous plant that grows 60 to 120 centimetres tall. Its flowers have white to pink ray florets that are 3 millimetres long. It grows in swamps and wet savannas.
Symphyotrichum hintonii is a species of perennial, herbaceous, flowering plant in the family Asteraceae native to Guerrero, Mexico. It grows in oak and oak-pine woods at elevations of 1,400–2,200 metres, blooming white ray florets November–January. It reaches heights of 40–80 centimetres.
Symphyotrichum moranense is a species of flowering plant in the family Asteraceae native to Mexico. It is a perennial and herbaceous plant that reaches heights of about 90 centimetres. Its white ray florets open October–April.
Symphyotrichum bimater is a species of flowering plant in the family Asteraceae native to Chiapas and Oaxaca, Mexico, and Guatemala. It is perennial and herbaceous and grows to heights of 30–46 centimetres. Its white ray florets bloom May–December, and it grows in pine-oak woods, ravines, slopes, and grassy openings at elevations 1,000–2,150 metres.
Symphyotrichum chihuahuense is a species of flowering plant in the family Asteraceae native to Chihuahua and Durango, Mexico. It is perennial and herbaceous and reaches heights of 20–35 centimetres. Its white ray florets open June–September. It grows in grasslands and oak–pine woods at elevations 1,800–2,500 metres.
Symphyotrichum turneri is a species of flowering plant in the family Asteraceae native to Durango, Mexico.
