Zinnia is a genus of plants of the tribe Heliantheae within the family Asteraceae. They are native to scrub and dry grassland in an area stretching from the Southwestern United States to South America, with a centre of diversity in Mexico. Members of the genus are notable for their solitary long-stemmed 12 petal flowers that come in a variety of bright colors. The genus name honors the German scientist Johann Gottfried Zinn (1727–1759).
Penstemon barbatus, known by the common names golden-beard penstemon, and beardlip penstemon, is a flowering plant native to the western United States.
Gaillardia pulchella is a North American species of short-lived perennial or annual flowering plants in the sunflower family.
Coreopsis nuecensis, the crown tickseed, is an annual, herbaceous, flowering plant in the Asteraceae family. It is native to Texas, and probably Tamaulipas. There are reports of isolated populations in Michigan and Florida, both probably escapes from cultivation.
Berlandiera is a genus of flowering plants in the family Asteraceae.
Senecio flaccidus, formerly recorded as Senecio douglasii, member of the daisy family and genus Senecio also known as threadleaf ragwort, is a native of the southwestern Great Plains of North America.
Aquilegia chrysantha, the golden columbine, is a perennial herbaceous flowering plant native to the southwestern United States and northwestern Mexico.
Artemisia bigelovii is a North American species of sagebrush known by the common name Bigelow sagebrush or flat sagebrush. It grows in the deserts of the southwestern United States.
Bahia bigelovii, or Bigelow's bahia, is a North American species of flowering plants in the family Asteraceae. It is native to the State of Coahuila in Mexico and to the western (trans-Pecos) part of the US state of Texas.
Bidens aurea , the Arizona beggarticks, is a North American species of flowering plant in the family Asteraceae. It is widespread across much of Mexico and found also in Arizona and Guatemala. The species is also naturalized in parts of Europe and South America.
Bidens bidentoides, commonly called swamp beggar's-ticks and delmarva beggarticks, is an annual, herbaceous, flowering plant in the Asteraceae family. It is native to the northeastern and east-central parts of the United States, the coastal plain of the States of Maryland, Delaware, Pennsylvania, and New Jersey plus the region around the Hudson River estuary in New York.
Bidens discoidea, commonly known as small beggarticks, is an annual, herbaceous, flowering plant in the Asteraceae family. It is widespread across eastern Canada and the eastern and central United States, from Nova Scotia west to Minnesota, south to Florida and Texas.
Bidens heterosperma, the Rocky Mountain beggarticks, is a North American species of flowering plant in the family Asteraceae. It is native to northwestern and north-central Mexico and the southeastern United States.
Bidens lemmonii is a North American species of flowering plant in the family Asteraceae. It is native to the southwestern United States and Mexico.
Bidens leptocephala, commonly known as the fewflower beggarticks, is an annual herbaceous flowering plant in the Asteraceae family. It is native to the southwestern United States and northern Mexico.
Bidens tenuisecta , the slim lobe beggarticks, is a North American species of flowering plant in the family Asteraceae. It is native to northern Mexico (Chihuahua) and the western United States. There are also reports of populations in the northeastern United States but these are almost assuredly introductions.
Carphochaete bigelovii, common name Bigelow's bristlehead, is a species of North American flowering plants in the family Asteraceae. They are native to northern Mexico and the southwestern United States.
Chromolaena bigelovii called Bigelow's false thoroughwort, or Bigelow's thoroughwort, is a North American species of flowering shrub in the family Asteraceae. It is native to northeastern Mexico and the US State of Texas.
Dieteria bigelovii, also known as Bigelow's tansyaster or sticky aster, is a North American species of plants in the family Asteraceae.
Symphyotrichum potosinum is a species of flowering plant in the family Asteraceae native to Mexico and the U.S. state of Arizona. Commonly known as Santa Rita Mountain aster, it is a perennial, herbaceous plant that may reach heights of 15 to 45 centimeters.
