Symphyotrichum puniceum, is a species of flowering plant in the family Asteraceae native to eastern North America. It is commonly known as purplestem aster, red-stalk aster, red-stemmed aster, red-stem aster, and swamp aster. It also has been called early purple aster, cocash, swanweed, and meadow scabish.
Symphyotrichum sericeum is a species of flowering plant in the family Asteraceae native to central North America. Commonly known as western silver aster, western silvery aster, and silky aster, it is a perennial, herbaceous plant that may reach 70 centimeters tall. Its flowers have purple ray florets and pink then purple disk florets, and its leaves are firm and silvery-green.
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 plumosum is a species of flowering plant in the family Asteraceae endemic to Florida in the United States. Commonly known as plumose aster, it is a perennial, herbaceous plant that may reach 40 to 100 centimeters tall. Its flowers have rose-purple ray florets and yellow turning to purple disk florets. It is of conservation concern.
Symphyotrichum anticostense is a species of flowering plant in the family Asteraceae endemic to Quebec, New Brunswick, and Maine. Commonly known as Anticosti aster, it is a perennial, herbaceous plant that may reach 10 to 90 centimetres tall. Its flowers have pale purple or lilac, sometimes white, ray florets and yellow, then reddish purple, disk florets.
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 foliaceum is a species of flowering plant in the family Asteraceae native to western North America. Commonly known as leafy aster, leafy-bracted aster, and alpine leafybract aster, it is a perennial, herbaceous plant that may reach 10 to 60 centimeters in height. Its flowers have violet to purple ray florets and yellow disk florets. Four varieties were accepted as of July 2021 by Plants of the World Online (POWO), as follows: S. foliaceum var. apricum, S. foliaceum var. canbyi, S. foliaceum var. cusickii, and S. foliaceum var. parryi. The autonym is S. foliaceum var. foliaceum.
Symphyotrichum pratense is a species of flowering plant in the family Asteraceae native to the southeastern United States. Commonly known as barrens silky aster, it is a perennial, herbaceous plant that may reach 40 to 60 centimeters tall. Its flowers have rose-purple ray florets and pink then purple disk florets.
Symphyotrichum fendleri is a species of flowering plant in the family Asteraceae native to the mid- and south-central United States, including Great Plains states and extending into Texas and New Mexico. Commonly known as Fendler's aster, it is a perennial, herbaceous plant that may reach 6 to 30 centimeters tall. Its flowers have lavender to purple ray florets and yellow then reddish purple disk florets.
Symphyotrichum pygmaeum is a species of flowering plant in the family Asteraceae native to north Alaska, the Yukon, and Northwest Territories. Commonly known as pygmy aster, it is a perennial, herbaceous plant that may reach 1.5 to 15 centimetres tall. Its flowers have purple to violet ray florets and yellow disk florets.
Symphyotrichum elliottii is a species of flowering plant in the family Asteraceae native to the southeastern United States Atlantic coastal plain where it grows in wetland areas. Commonly known as Elliott's aster, it is a perennial, herbaceous plant that may reach 6 to 20 decimeters tall. Its flowers have pink ray florets and pale yellow, then pink, then brown disk florets. NatureServe, as of July 2021, classified S. elliottii as Apparently Secure (G4) globally, and of conservation concern in North Carolina, South Carolina, and Virginia.
Symphyotrichum anomalum is a species of flowering plant in the family Asteraceae native to Arkansas, Illinois, Kansas, Missouri, and Oklahoma. Commonly known as manyray aster, it is a perennial, herbaceous plant that may reach 20 to 120 centimeters tall. Its flowers have lavender or blue to purple, seldom white, ray florets and cream or light yellow, then pinkish-purple disk florets.
Symphyotrichum undulatum is a species of flowering plant in the family Asteraceae native to eastern North America. Commonly known as wavyleaf aster, it is a perennial, herbaceous plant that may reach 30 to 60 centimeters tall. Its flowers have blue to purple, or sometimes lilac, ray florets and cream or light yellow, then purple, disk florets.
Symphyotrichum spathulatum is a species of flowering plant in the family Asteraceae native to western North America including northwestern Mexico. Commonly known as western mountain aster, it is a perennial, herbaceous plant that may reach 20 to 80 centimeters tall. Its flowers, which open in July and August, have violet ray florets and yellow disk florets.
Symphyotrichum subspicatum is a species of flowering plant in the family Asteraceae native to western North America. Commonly known as Douglas’s aster, it is a perennial, herbaceous plant that may reach 40 to 120 centimeters tall. Its flowers have violet ray florets and yellow then reddish disk florets.
Symphyotrichum phlogifolium is a species of flowering plant in the family Asteraceae native to the eastern United States. Commonly known as thin-leaf late purple aster, it is a perennial, herbaceous plant that may reach 50 to 130 centimeters tall. Its flowers have light to dark reddish-purple ray florets and white disk florets with purple triangular lobes.
Symphyotrichum adnatum is a species of flowering plant in the family Asteraceae native to the southeastern United States and the Bahamas. Commonly known as scaleleaf aster, it is a perennial, herbaceous plant that may reach 30 to 120 centimeters tall. Its flowers have lavender ray florets and yellow disk florets.
Symphyotrichum walteri is a species of flowering plant in the family Asteraceae native to the southeastern United States. Commonly known as Walter's aster, it is a perennial, herbaceous plant that may reach 20 to 100 centimeters tall. Its flowers have bluish-purple ray florets and yellow disk florets.
Symphyotrichum parviceps is a species of flowering plant in the family Asteraceae native to the central United States. Commonly known as smallhead aster or small white aster, it is usually a short-lived herbaceous, perennial plant that may reach 30 to 100 centimeters tall. Its flowers have white ray florets and pale yellow then purplish disk florets.
Symphyotrichum priceae is a species of flowering plant in the family Asteraceae native to the southeastern United States, specifically Alabama, Georgia, Kentucky, and Tennessee. Commonly known as Price’s aster or lavender oldfield aster, it is a perennial, herbaceous plant that may reach 3 to 10 decimeters tall. Its flowers have blue-violet ray florets and yellow then brown disk florets.
