Ageratina herbacea is a North American species of flowering plants in the family Asteraceae known by the common names fragrant snakeroot and Apache snakeroot. It is native to desert regions of the southwestern United States and northern Mexico. It grows in rocky slopes in conifer forests and woodlands.
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 campestre is a species of flowering plant of the family Asteraceae commonly known as western meadow aster. It is native to much of western North America where it grows in many habitats, generally at some elevation.
Symphyotrichum lentum is a species of flowering plant in the family Asteraceae with the common name of Suisun Marsh aster. It is a perennial and herbaceous plant endemic to the marshes of Sacramento-San Joaquin River Delta of Northern California.
Symphyotrichum pilosum is a perennial, herbaceous, flowering plant in the Asteraceae family native to central and eastern North America. It is commonly called hairy white oldfield aster, frost aster, white heath aster, heath aster, hairy aster, common old field aster, old field aster, or steelweed. It may reach 20 to 120 centimeters tall, and its flowers have white ray florets and 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.
Balduina (honeycombhead) is a genus of North American plants in the sunflower family described as a genus in 1818.
Arnoglossum album, the Bay County Indian plantain, is a rare Florida species of plants in the sunflower family, first described to modern science in 1998. It has been found only in Bay and Gulf Counties in the Florida Panhandle.
Balduina angustifolia, the coastal plain honeycombhead, is a North American species of plants in the sunflower family. It is native to the southeastern United States.
Boltonia apalachicolensis, common name Apalachicola doll's-daisy, is a North American species of plants in the family Asteraceae. It is found in the "panhandle" region of northwestern Florida, and has been found in south Louisiana, and Mississippi in the United States.
Chromolaena frustrata called Cape Sable false thoroughwort, or Cape Sable thoroughwort, is a rare North American species of flowering shrub in the family Asteraceae. It is found only in southern Florida, on the Florida Keys, inside Everglades National Park, and other nearby low-lying areas. It grows on coastal rock outcrops, the edges of hammocks, and other undisturbed sites at elevations less than 10 meters above sea level.
Coreopsis integrifolia, the fringeleaf tickseed or mouse-ear tickseed, is a North American plant species of the family Asteraceae. It is native to the southeastern United States, in South Carolina, Georgia, and northern Florida.
Dieteria bigelovii, also known as Bigelow's tansyaster or sticky aster, is a North American species of plants in the family Asteraceae.
Symphyotrichum jessicae is a species of flowering plant in the family Asteraceae endemic to Idaho and Washington states in the United States. Commonly known as Jessica's aster, it is a perennial, herbaceous plant that may reach 40 to 150 centimeters tall. Its flowers have violet ray florets and yellow disk florets. It is of conservation concern and known only from the Palouse River and Clearwater River drainages of eastern Washington and northwestern Idaho.
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 retroflexum is a species of flowering plant in the family Asteraceae native to the southeastern United States. Commonly known as rigid whitetop aster, it is a perennial, herbaceous plant that may reach 40 to 100 centimeters tall. Its flowers have blue to purple ray florets and cream to pale yellow then pinkish disk florets. It is known only from the Blue Ridge Mountains in Alabama, Georgia, North Carolina, South Carolina, Tennessee, and Virginia, where it grows in wooded areas at elevations of 400–1,500 meters. As of September 2021, NatureServe classified it as Apparently Secure (G4); it had been reviewed last in 1994 and is marked as "needs review". There is an introduced presence of S. retroflexum in southeast China.
Symphyotrichum eulae is a species of flowering plant in the family Asteraceae endemic to Texas. Commonly known as Eula's aster, it is a perennial, herbaceous plant that may reach 5 to 150 centimeters in height. Its flowers have usually white to bluish or lavender-white ray florets and yellow then reddish to brown disk florets. It was named for Eula Whitehouse, American botanist, botanical illustrator, and plant collector.
Symphyotrichum divaricatum is an annual and herbaceous plant commonly known as southern annual saltmarsh aster. It is native to the southern United States and some northern states of Mexico.
Symphyotrichum parviflorum is an annual and herbaceous plant commonly known as southwestern annual saltmarsh aster. It is native to Mexico, the Caribbean, most of Central America, Ecuador, and the southwestern United States. It is also known by the scientific name Symphyotrichum expansum.
