Helianthus is a genus comprising about 70 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. Except for three South American species, the species of Helianthus are native to North America and Central America. The best-known species is the common sunflower, whose round flower heads in combination with the ligules look like the Sun. This and other species, notably Jerusalem artichoke, are cultivated in temperate regions and some tropical regions as food crops for humans, cattle, and poultry, and as ornamental plants. The species H. annuus typically grows during the summer and into early fall, with the peak growth season being mid-summer.
Thermopsis is a genus of legumes, native to temperate North America and east Asia. They are herbaceous perennials and are known as goldenbanners or false-lupines.
Gutierrezia californica is a North American species of flowering plant in the family Asteraceae known by the common names San Joaquin snakeweed and California matchweed. It is native to California and Arizona in the United States and Baja California in Mexico. It grows in sunny sandy or rocky areas in grasslands, scrub, or open woodlands.
Carphephorus is a genus of North American plants in the family Asteraceae. They are native to the southeastern United States from Louisiana to Virginia. Plants of this genus are known commonly as chaffheads.
Pycnanthemum is a genus of herbaceous plants in the mint family (Lamiaceae). Species in this genus are often referred to as "mountain mints" and they often have a minty or thyme-like aroma when crushed. All species of Pycnanthemum are native to the United States and Canada. The center of diversity for the genus is North Carolina with 13 of the 20 species having been collected therein. Nineteen of the 20 species of Pycnanthemum occur in the Eastern US and Canada, and one disjunct species occurs in California and Oregon.
Solidago houghtonii is a rare North American species of flowering plant in the family Asteraceae known as Houghton's goldenrod. It is native to southern Ontario, Canada and the northern United States. It is threatened by the loss and degradation of its habitat. It is a federally listed threatened species of the United States and it is designated a species of special concern by Canada's Committee on the Status of Endangered Wildlife in Canada.
Astranthium integrifolium, the entireleaf western daisy or eastern western-daisy, is a North American species of flowering plants in the family Asteraceae. It is native to the east-central part of the United States primarily the Cumberland Plateau and Ohio/Tennessee Valley. It is found in the States of Tennessee, Kentucky, Alabama, and Georgia, with isolated populations in Mississippi and West Virginia.
Berlandiera pumila, the soft greeneyes, is a North American species of flowering plant in the family Asteraceae. It is native to the southeastern and south-central United States.
Bidens mitis, the smallfruit beggarticks, is a North American species of flowering plant in the family Asteraceae. It is native to the eastern, southeastern, and south-central parts of the United States, from eastern Texas to southern New Jersey.
Bigelowia nudata, the pineland rayless goldenrod, is a species of North American flowering plant in the family Asteraceae. It is native to the coastal plain of the southeastern United States.
Carphephorus corymbosus, the Florida paintbrush or coastal plain chaffhead, is a species of North American plants in the family Asteraceae. They are native to the southeastern United States in the States of Florida, Georgia, and South Carolina.
Carphephorus pseudoliatris, the bristleleaf chaffhead , is a species of North American plants in the family Asteraceae. They are native to the southeastern United States in the states of Florida, Georgia, Alabama, Mississippi, and Louisiana.
Carphephorus tomentosus, the woolly chaffhead, is a species of North American plants in the family Asteraceae. They are native to the southeastern United States in the states of Virginia, Georgia, North Carolina, and South Carolina.
Carphephorus odoratissimus, common name vanillaleaf, is a species of North American plants in the family Asteraceae. This species is native to the southeastern United States, including the states of Georgia, North Carolina, South Carolina, Alabama, Mississippi, Louisiana, and Florida.
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.
Cirsium repandum is a North American species of plants in the tribe Cardueae within the family Asteraceae. Common names include sand-hill thistle and coastal-plain thistle. The species is native to the south-eastern United States, the coastal plain in Virginia, Georgia, and the Carolinas.
Erigeron vernus is a North American species of flowering plant in the family Asteraceae known by the common name early white-top fleabane. It is native to the southeastern United States from Virginia to Louisiana.
Helianthus laevigatus is a North American species of sunflower known by the common name smooth sunflower. It is native to the east-central and southeastern United States from Georgia to Maryland.
Helianthus radula is a North American species of sunflower known by the common name rayless sunflower or pineland sunflower. It is native to the southeastern United States from eastern Louisiana to South Carolina.
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.
