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. 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.
Echinacea angustifolia, the narrow-leaved purple coneflower or blacksamson echinacea, is a species of flowering plant in the family Asteraceae. It is native to North America, where it is widespread across much of the Great Plains of central Canada and the central United States, with additional populations in surrounding regions.
Rudbeckia is a plant genus in the Asteraceae or composite family. Rudbeckia flowers feature a prominent, raised central disc in black, brown shades of green, and in-between tones, giving rise to their familiar common names of coneflowers and black-eyed-susans. All are native to North America, and many species are cultivated in gardens for their showy yellow or gold flower heads that bloom in mid to late summer.
Boltonia asteroides, the white doll's daisy, false chamomile, or false aster, is a species of plant native to the United States and Canada. It is found primarily in the Mississippi Valley and Great Plains from Saskatchewan south to Texas and Florida, with isolated populations in the eastern United States. Reports of the species in New England, New York, and the Pacific Northwest appear to be introductions.
Helianthus pauciflorus, called the stiff sunflower, is a North American plant species in the family Asteraceae. It is widespread across the Great Plains, the Rocky Mountains, and the Great Lakes region, and naturalized in scattered locations in the eastern United States and in much of southern Canada.
Berlandiera is a genus of flowering plants in the family Asteraceae.
Helianthus maximiliani is a North American species of sunflower known by the common name Maximilian sunflower.
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.
Zinnia grandiflora is a species of flowering plant in the family Asteraceae known by the common names Rocky Mountain zinnia and plains zinnia. It is native to the southwestern and south-central United States and northern Mexico. Zinnia Grandiflora is used by many Native American tribes for its medicinal properties as well as for its vibrant yellow color for paint and dyes. there have also been experiments done using Zinnia Grandiflora to understand the extent of its healing abilities.
Hymenoxys texana is a rare species of flowering plant in the aster family known by the common names prairie dawn, Texas prairie dawn-flower, and Texas bitterweed. It is endemic to Texas, where it is known only from the general vicinity of Houston. It is threatened by the loss of its habitat. It is a federally listed endangered species of the United States.
Tetraneuris acaulis is a North American species of flowering plants in the sunflower family. Common names include angelita daisy, stemless four-nerve daisy, stemless hymenoxys, butte marigold, and stemless rubberweed.
Astranthium ciliatum, the Comanche western-daisy, is a North American species of flowering plants in the family Asteraceae. It is native to the southern part of the Great Plains of the central United States, with the range continuing southward into northeastern Mexico. It is found in the States of Nuevo León, Tamaulipas, Texas, Oklahoma, Arkansas, Missouri, and Kansas.
Baccharis texana is a North American species of shrubs in the family Asteraceae known by the common name prairie baccharis or false willow. It is native to northeastern Mexico and to the southern part of the Great Plains of the United States.
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.
Berlandiera subacaulis is a North American species of flowering plant in the family Asteraceae. It is found only in Florida. The common name is Florida greeneyes.
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. Its habitats include disturbed roadsides and pine-oak-juniper woods.
Brickellia eupatorioides, or false boneset, is a North American species of flowering plants in the family Asteraceae. It is widespread in Mexico from Chihuahua to Oaxaca, and in all regions of the contiguous United States except New England, New York, and the West Coast.
Erigeron bellidiastrum, the western daisy fleabane or sand fleabane, is a species of fleabane in the family Asteraceae. It is native to northern Mexico and the western and central United States.
Erigeron modestus is a North American species of flowering plant in the family Asteraceae known by the common name plains fleabane. It native to northern Mexico and the southwestern and south-central parts of the United States.
Helianthus salicifolius is a North American species of sunflower known by the common name willowleaf sunflower. It is native to the central United States, primarily in the Great Plains and Ozark Plateau. There are a few reports of scattered populations in the Northeast and Midwest parts of the country, but these appear to be escapes from cultivation.
