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, are North American plants in the family Asteraceae.
Layia fremontii is a species of flowering plant in the family Asteraceae known by the common name Frémont's tidytips. Both its common name, and its specific epithet are derived from John C. Frémont.
Syntrichopappus is a genus of flowering plants in the family Asteraceae, found in the Southwestern United States and northern Mexico, including Baja California. It is a member of the Heliantheae alliance of the Asteraceae. There are two species. Common names include xerasid and Frémont's-gold.
Calyptocarpus is a genus of flowering plants in the daisy family, Asteraceae.
Pyrrocoma carthamoides is a species of flowering plant in the aster family known by the common name largeflower goldenweed. It is native to western North America from British Columbia to northeastern California to Wyoming, where it is known from grassland, woodlands, forests, barren areas, and other habitat. It is a perennial herb growing from a taproot and producing one or more stems to about half a meter in maximum length, the stems reddish-green and leafy. The largest leaves are at the base of the stem, measuring up to 20 centimeters long, lance-shaped with spiny sawtoothed edges. Leaves higher on the stem are smaller and hairier. The inflorescence is a single flower head or a cluster of up to four. Each bell-shaped head is lined with phyllaries each up to 2 centimeters long. It has many yellow disc florets surrounded by a fringe of yellow ray florets up to 7 millimeters long; ray florets are occasionally absent. The fruit is an achene which may be well over a centimeter in length including its pappus.
Chrysopsis floridana is a rare species of flowering plant in the family Asteraceae, known by its common name, Florida golden aster. It is endemic to Florida in the United States, where it is known from Hillsborough, Hardee, Manatee, and Pinellas Counties. It is considered an endemic of the west-central coast of the state in the general vicinity of Tampa Bay. There are 17 to 20 occurrences, many of which have few individuals, but one of which has over one million plants. In 1986 the plant was added to the US endangered species list because it was becoming increasingly rare, it was growing only on private property, and its habitat was unprotected and being destroyed and degraded by a number of forces. It is found at Bell Creek Nature Preserve in Riverview, Florida.
Symphyotrichum dumosum is a species of flowering plant of the aster family (Asteraceae) commonly known as rice button aster and bushy aster. It is native to much of eastern and central North America, as well as Haiti and Dominican Republic. It is a perennial, herbaceous plant that may reach a height of 1 meter.
Bradburia pilosa, the soft goldenaster, is a North American species of flowering plants in the family Asteraceae, native to the south-central United States, primarily the southeastern Great Plains and lower Mississippi Valley, in the states of Texas, Oklahoma, Kansas, Missouri, Arkansas, Louisiana, Tennessee, Mississippi, and Alabama. Additional populations are reported farther east but these appear to be introductions.
Chrysopsis godfreyi, or Godfrey's goldenaster, is a North American species of flowering plant in the family Asteraceae. It is native to the states of Florida and Alabama in the southeastern United States.
Chrysopsis gossypina, the cottony goldenaster, is a North American species of flowering plant in the family Asteraceae. It is native to the Coastal Plain of the southeastern United States, from eastern Louisiana to southeastern Virginia.
Chrysopsis scabrella, called the Coastalplain goldenaster, is a North American species of flowering plant in the family Asteraceae. It is native primarily to Florida with a few isolated populations in North and South Carolina.
Chrysopsis linearifolia, the narrowleaf goldenaster, is a North American species of flowering plant in the family Asteraceae. It has been found only in Florida.
Conyza ramosissima, the dwarf horseweed, is a species of North American plants in the family Asteraceae. It is widespread and common across the central part of the United States, its range extending from New Mexico east to Alabama and north as far as Pennsylvania, Ontario, and North Dakota.
Erigeron arenarioides is a species of flowering plant in the family Asteraceae known by the common names sand fleabane and Wasatch fleabane. It has been found only in the northern part of the state of Utah in the western United States.
Erigeron grandiflorus is a North American species of flowering plant in the daisy family known by the common names Rocky Mountain alpine fleabane and largeflower fleabane.
Erigeron hultenii is a rare North American species of flowering plants in the daisy family known as Hulten's fleabane. It has been found in the state of Alaska in the United States, from Campbell Creek Valley about 11 miles (17.6 km) north of Anchorage.
Erigeron radicatus is a North American species of flowering plant in the daisy family known by the common names Hooker's fleabane and taproot fleabane The species grows in central Canada and parts of the north-central United States, primarily the northern Rocky Mountains and the Black Hills. It has been found in Idaho, Montana, Utah, Wyoming, Colorado, Nebraska, and South Dakota, with a few isolated populations reported from North Dakota.
Heterotheca subaxillaris, known by the common name camphorweed, is a North American species of flowering plant in the family Asteraceae. It is widespread across much of the United States as well as Mexico and Belize.
Helianthus nuttallii subsp. parishii is a subspecies of the species Helianthus nuttallii in the genus Helianthus, family Asteraceae. It is also known by the common names Los Angeles sunflower and Parish's sunflower. This subspecies has not been seen, in the wild or in cultivation, since 1937.
