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 flowers that come in a variety of bright colors. The genus name honors German master botanist Johann Gottfried Zinn (1727–59).
Melampodium is a genus of flowering plants in the sunflower family.
Hechtia is a genus of plants in the family Bromeliaceae, and is the sole genus of the subfamily Hechtioideae, containing 75 species. Its species are native to Mexico, Central America, and Texas.
Bouteloua is a genus of plants in the grass family. Members of the genus are commonly known as grama grass.
Trixis is a genus of shrubs in the family Asteraceae, native to North and South America including the West Indies.
Guardiola is a genus of plants in the family Asteraceae, native to Mexico and the southwestern United States. Members of the genus are subshrubs with simple, opposite leaves and terminal inflorescences.
Xanthocephalum is a genus of North American plants in the tribe Astereae within the family Asteraceae.
Decachaeta is a genus of Mesoamerican flowering plants in the family Asteraceae.
Dyscritogyne is a genus of Mexican flowering plants in the family Asteraceae.
Hofmeisteria is a genus of Mexican flowering plants in the family Asteraceae.
Piqueria is a genus of Caribbean and Mesoamerican plants in the tribe Eupatorieae within the family Asteraceae.
Tridax is a genus of flowering plants in the family Asteraceae.
Hymenostephium is a genus of flowering plants in the family Asteraceae. It includes herbs and slender shrubs that occur from Mexico through Central America and into South America.
Simsia is a genus of flowering plants in the tribe Heliantheae within the family Asteraceae. It includes annuals, herbaceous perennials, and shrubs. They range from the western United States south through Central and South America to Argentina, with the center of diversity occurring in Mexico. The genus is named for British physician and botanist John Sims (1749–1831). Although some species are relatively rare, others have become common weeds that line the roadsides and fields of Mexico, often forming dense stands mixed with Tithonia and other Asteraceae. Some species are known by the common name bushsunflower.
Schkuhria is a genus of flowering plants in the tribe Bahieae within the family Asteraceae. False threadleaf is a common name. The genus was named in honour of Christian Schkuhr (1741-1811), a German gardener and physical scientist at the University of Wittenberg.
Lasianthaea is a genus of flowering plants in the family Asteraceae. The species are native primarily to Mexico, with one species extending just over the border into the United States and another south to northwestern South America.
Perymenium is a genus of South American and Mesoamerican plants in the tribe Heliantheae within the family Asteraceae.
Deiregyne is a genus of flowering plants from the orchid family, Orchidaceae, native to Mexico, Guatemala and Honduras.
Gibasis is a genus of flowering plants within the Commelinaceae family, first described in 1837. It is native to the Western Hemisphere from Texas and the West Indies south to Argentina, with most of the species native to Mexico.
