Melampodium is a genus of flowering plants in the sunflower family.
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.
Thymophylla is a genus of perennial flowering plants in the tribe Tageteae within the family Asteraceae. Pricklyleaf is a common name for plants in this genus.
Roldana also known as groundsel is a genus of large herbs or subshrubs from the tribe groundsel tribe within the sunflower family.
Carminatia is a genus of annual plants in the family Asteraceae. They are native primarily to Mexico, but also the southwestern United States and Central America.
Decachaeta is a genus of Mesoamerican flowering plants in the family Asteraceae.
Oxylobus is a genus of Mesoamerican flowering plants in the tribe Eupatorieae within the family Asteraceae.
Phanerostylis is a genus of Mexican plants in the tribe Eupatorieae within 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.
Florestina is a genus of flowering plants in the sunflower family, native to Texas, Mexico, and Central America.
Gymnolaena is a genus of Mexican flowering plants in the family Asteraceae.
Sabazia is a genus of Colombian and Mesoamerican plants in the tribe Millerieae within the family Asteraceae.
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.
Sinclairia is a genus of Latin American plants in the tribe Liabeae within the family Asteraceae.
Neurolaena is a genus of flowering plants in the tribe Neurolaeneae within the family Asteraceae.
Otopappus is a genus of flowering plants in the tribe Heliantheae within the family Asteraceae, primarily Mesoamerican but with one species from Jamaica.
Perymenium is a genus of South American and Mesoamerican plants in the tribe Heliantheae within the family Asteraceae.
Podachaenium is a genus of Mesoamerican plants in the tribe Heliantheae within the family Asteraceae.
Chrysactinia is a genus of flowering plants in the family Asteraceae, native to Mexico and to the southwestern United States.
