Ionactis, common name stiff-leaved asters or ankle-asters, is a small genus of plants belonging to the family Asteraceae. These aster-like plants are endemic to North America. One species is widespread across much of the eastern half of the continent, while two others are rare endemics with very restricted ranges.
Grindelia (gumweed) is a genus of plants native to the Americas belonging to the family Asteraceae. The genus was named for Latvian botanist David Hieronymus Grindel, 1776–1836.
Symphyotrichum is a genus of over 100 species and naturally occurring hybrids of herbaceous annual and perennial plants in the composite family Asteraceae, most which were formerly treated within the genus Aster. The majority are endemic to North America, but several also occur in the West Indies, Central and South America, as well as in eastern Eurasia. Several species have been introduced to Europe as garden specimens, most notably New England aster and New York aster.
Astereae is a tribe of plants in the family Asteraceae that includes annuals, biennials, perennials, subshrubs, shrubs, and trees. Plants within the tribe are present nearly worldwide divided into 170 genera and more than 2,800 species, making it the second-largest tribe in the family behind Senecioneae. They are found primarily in temperate regions of the world.
Oreostemma peirsonii is a species of flowering plant in the family Asteraceae known by the common names Peirson's aster and Peirson's mountaincrown.
Aphanostephus (dozedaisy) is a genus of flowering plants in the family Asteraceae.
Arida is a genus of flowering plants in the daisy family, Asteraceae.
Benitoa is a genus of flowering plants in the family Asteraceae.
Columbiadoria is a small North American genus of flowering plants in the family Asteraceae.
Corethrogyne is a genus of flowering plants in the family Asteraceae.
Cuniculotinus is a genus of flowering plants in the family Asteraceae.
Lorandersonia, commonly called rabbitbush, is a genus of North American flowering plants in the family Asteraceae.
Neonesomia is a genus of North American flowering plants in the aster tribe within the sunflower family.
Podocoma is a genus of South American plants in the tribe Astereae within the family Asteraceae.
Tonestus, common name serpentweed, is a genus of North American flowering plants in the family Asteraceae.
Xanthisma, common name sleepy-daisy, is a genus of flowering plants in the family Asteraceae.
Xanthocephalum is a genus of North American plants in the tribe Astereae within the family Asteraceae.
Symphyotrichum depauperatum, commonly known as serpentine aster or starved 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.
Grindelia nelsonii is a North American species of flowering plants in the family Asteraceae.
