Tagetes is a genus of 50 species of annual or perennial, mostly herbaceous plants in the family Asteraceae. They are among several groups of plants known in English as marigolds. The genus Tagetes was described by Carl Linnaeus in 1753.
Spilanthes is a genus of African and South American plants in the tribe Heliantheae within the family Asteraceae.
The Heliantheae are the third-largest tribe in the sunflower family (Asteraceae). With some 190 genera and nearly 2500 recognized species, only the tribes Senecioneae and Astereae are larger. The name is derived from the genus Helianthus, which is Greek for sun flower. Most genera and species are found in North America and South America. A few genera are pantropical.
Acmella is a genus of plants in the family Asteraceae, described as a genus in 1807. It is native to the Americas and has been introduced to Asia, Africa, the Pacific islands, and Australia.
Hesperomannia (island-aster) is a genus of flowering plant in the family Asteraceae.
Ageratina havanensis, the Havana snakeroot or white mistflower, is a species of flowering shrub in the family Asteraceae, native to the south-western United States (Texas), Cuba, and north-eastern and east-central Mexico. Unlike many other species of Ageratina, it is evergreen.
Isocarpha (pearlhead) is a genus of flowering plants in the family Asteraceae. They are native to Mexico, Central America, the West Indies, and northern South America, with the range of one species extending north into the United States.
Trichocoronis is a genus of North American aquatic plants in the tribe Eupatorieae within the family Asteraceae. Bugheal is a common name for plants in this genus.
Leibnitzia (sunbonnets) is a genus of Asian and North American flowering plants in the family Asteraceae.
Acmella uliginosa, the marsh para cress, is a species of flowering herb in the family Asteraceae. The plant is native to South America and is naturalized in parts of Asia and Africa.
Acmella repens is a North American species of flowering plants in the family Asteraceae. The plant is native to the southeastern and south-central United States, primarily in the coastal plain from Texas to North Carolina and in the lower Mississippi Valley from Missouri to Louisiana. There are additional populations in Coahuila in northeastern Mexico.
Acmella pilosa, the hairy spotflower, is a Mesoamerican species of flowering plants in the family Asteraceae. It is native to Guatemala, Belize, and southeastern Mexico. The species is also naturalized in the southern part of the US State of Florida.
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.
Tagetes pusilla, the lesser marigold, is a Latin American species of marigolds in the family Asteraceae. It is native Central America and western South America from Guatemala to northern Argentina.
Fleischmannia incarnata, the pink slender-thoroughwort or pink thoroughwort, is a North American species of flowering plant in the family Asteraceae. It is native to the United States from Florida north as far as Virginia, Ohio, and Illinois, and west to Texas and Oklahoma. It is also found in northeastern Mexico.
Fleischmannia sonorae, the Sonoran slender-thoroughwort or Sonoran thoroughwort, is a North American species of flowering plant in the family Asteraceae. It is native to western Mexico from Sonora and Chihuahua as far south as Michoacán, as well as from the southwestern United States.
Flyriella parryi, the Chisos Mountain brickellbush, is a Mexican species of plants in the family Asteraceae. It is native to the states of Nuevo León, Coahuila, and Chihuahua in northern Mexico. It is the only species in its genus to have a natural range extending north of the international border, with a few populations on the Texas side of the Río Grande.
Grindelia microcephala, the littlehead gumweed, is a North American species of flowering plants in the family Asteraceae. It is native to the south-central United States, having been found only in the state of Texas.
Grindelia pusilla, the little gumweed, is a North American species of flowering plants in the family Asteraceae. It is found only in the state of Texas in the south-central United States.
