Grindelia (gumweed) is a genus of plants native to the Americas belonging to the family Asteraceae. The genus was named for Latvian botanist David Hieronymus Grindel, 1776–1836.
Sanvitalia ), the creeping zinnias, is a genus of flowering plants belonging to the family Asteraceae. They are native to mostly to Mexico, with a few species in Central America, South America, and the Southwestern United States.
Acanthospermum humile is a species of plants in the family Asteraceae. It is native to the West Indies but naturalized in parts of South America, Central America, and North America.
Clibadium is a genus of flowering plants in the family Asteraceae.
Critoniadelphus is a genus of flowering plants in the family Asteraceae.
Peteravenia is a genus of Mesoamerican plants in the tribe Eupatorieae within the family Asteraceae.
Trigonospermum is a genus of Mesoamerican plants in the family Asteraceae.
Espejoa is a genus of Mesoamerican flowering plants in the daisy family.
Wamalchitamia is a genus of Mesoamerican flowering plants in the family Asteraceae.
Sabazia is a genus of Colombian and Mesoamerican plants in the tribe Millerieae within the family Asteraceae.
Lepidonia is a genus of Mesoamerican flowering plants in the family Asteraceae.
Lundellianthus is a genus of Mesoamerican flowering plants in the tribe Heliantheae within the family Asteraceae.
Synedrella is a genus of flowering plants in the family Asteraceae.
Philactis is a genus of Mexican plants in the tribe Heliantheae within the family Asteraceae.
Crusea is a genus of angiosperms in the family Rubiaceae. The genus is found in the south-western United States, Mexico, and Central America. A few species are naturalized in Cuba and Puerto Rico.
Prionosciadium is a genus in the carrot family, Apiaceae. It is endemic to Mexico. The plants are biennial herbs with large taproots.
Prionosciadium humile is a species native to the Mexican state of Nuevo León. It is a biennial herb with trifoliate leaves, each leaflet palmately 3-lobed and almost cleft.
Galium orizabense is a species of plants in the family Rubiaceae, named for the town of Orizaba in Veracruz, where the first collections of the species were made. The species is native to Mexico, Costa Rica, Guatemala, Panamá, Venezuela, Colombia, and Hispaniola, plus widely scattered locations in the southeastern United States.
Fischeria is a plant genus in the family Apocynaceae, first described as a genus in 1813. It is native to South America, Central America, southern Mexico, and the West Indies.
Pherotrichis is a plant genus in the family Apocynaceae, first described as a genus in 1838. It is native to Mexico and Arizona.
- Pherotrichis leptogeniaB.L.Rob. - Jalisco
- Pherotrichis mixtecanaBrandegee - Oaxaca
- Pherotrichis schaffneriA.Gray - San Luis Potosí, Cochise County in Arizona
