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.
Chrysopsis are plants in the family Asteraceae native to the southern and eastern United States. All the species are found in Florida, although some are found in other states as well.
Heterotheca is a genus of North American plants in the family Asteraceae.
Eastwoodia is a North American genus of plants in the family Asteraceae. It contains the single species Eastwoodia elegans, a flower known by the common name yellow mock aster or yellow aster. It is endemic to California. This plant is found only on the grasslands and hillsides of central California, from the Bay Area south to the Tehachapis.
Chaenactis is a genus of plants in the family Asteraceae which are known generally as pincushions and dustymaidens.
Chaetopappa ericoides is a species of flowering plant in the family Asteraceae known by the common names rose heath and heath-leaved chaetopappa. It is native to the southwestern and western Great Plains regions of the United States, plus northern Mexico. It is found in California, Nevada, Arizona, Utah, New Mexico, Colorado, Wyoming, Texas, Oklahoma, Kansas, Nebraska, Chihuahua, Coahuila, Sonora, Durango, Zacatecas, San Luis Potosí, and Nuevo León.
Eucephalus breweri is a North American species in the family Asteraceae known by the common name Brewer's aster. It is native to California where it grows primarily in the Sierra Nevada at subalpine elevations. Its range extends into northwestern Nevada and southwestern Oregon.
Eucephalus engelmannii is a North American species in the family Asteraceae known by the common name Engelmann's aster. It is native to the United States and Canada from Alberta and British Columbia to far northern California and Colorado.
Dieteria canescens is an annual plant or short lived perennial plant in the family Asteraceae, known by the common names hoary tansyaster and hoary-aster.
Eucephalus is a genus of North American flowering plants in the family Asteraceae.
Eucephalus vialis is a rare North American species of flowering plant in the family Asteraceae known by the common name wayside aster. It is native to southwestern Oregon and northwestern California in the United States.
Dieteria bigelovii, also known as Bigelow's tansyaster or sticky aster, is a North American species of plants in the family Asteraceae.
Eucephalus ledophyllus is a North American species of flowering plant in the family Asteraceae known by the common name Cascade aster. It is native to Washington, Oregon and northern California in the United States, mostly in the Cascade Mountains. Some of the populations are inside national parks and monuments: Mount Rainier National Park, North Cascades National Park, and Mount St. Helens National Volcanic Monument.
Eucephalus paucicapitatus is a North American species of flowering plant in the family Asteraceae known by the common name Olympic Mountain aster. It grows on rocky slopes and in subalpine meadows at high elevations in and near Olympic National Park in the US State of Washington, and on Vancouver Island in the Canadian Province of British Columbia.
Eucephalus glaucescens is a North American species of flowering plant in the family Asteraceae known by the common name Klickitat aster. It grows on rocky slopes and in subalpine meadows at high elevations on and near Mount Adams in the south-central part of the US State of Washington.
Eucephalus gormanii is a North American species of flowering plant in the family Asteraceae known by the common name Gorman’s aster. It grows on rocky slopes and on cliffs at high elevations in the Cascade Mountains of the US State of Oregon.
Eucephalus glabratus is a North American species of flowering plant in the family Asteraceae with the common names of smooth aster, smooth wayside-aster, and Siskiyou aster. It is a perennial herb up to 60 centimeters tall, with branching rhizomes. Stems and leaves are hairless or nearly so. One plant will usually produce 3–8 flower heads per stem. Each head has 0–4 violet ray florets surrounding numerous yellow disc florets.
Eucephalus tomentellus is a North American species of flowering plant in the family Asteraceae known by the common name Brickellbush aster or rayless aster. It grows on openings in oak or conifer forests the Siskiyou Mountains of the US States of California and Oregon.
Eurybia glauca is a North American species of flowering plants in the family Asteraceae, called the gray aster. It is native to the western United States, primarily in Arizona, New Mexico, Utah, Colorado, and Wyoming, with a few populations in Idaho and Montana.
Eurybia wasatchensis is a North American species of flowering plants in the family Asteraceae, called the Wasatch aster. It has been found only in the state of Utah in the western United States.
