Ageratum is a genus of 40 to 60 tropical and warm temperate flowering annuals and perennials from the family Asteraceae, tribe Eupatorieae. Most species are native to Central America and Mexico but four are native to the United States.
Harold Ernest Robinson was an American botanist and entomologist.
Eupatorieae is a tribe of over 2000 species of plants in the family Asteraceae. Most of the species are native to tropical, subtropical, and warm temperate areas of the Americas, but some are found elsewhere. Well-known members are Stevia rebaudiana, a number of medicinal plants (Eupatorium), and a variety of late summer to autumn blooming garden flowers, including Ageratum (flossflower), Conoclinium (mistflower), and Liatris.
Aristeguietia is a genus of about 21 species of flowering plants in the tribe Eupatorieae of the family Asteraceae. It is found from Colombia to southern Peru, with one species in Chile.
Cuatrecasanthus is a genus of South American flowering plants in the family Asteraceae.
Guevaria is a genus of South American flowering plants in the family Asteraceae.
Hebeclinium is a genus of flowering plants in the family Asteraceae, native to South America and Mesoamerica.
Pseudogynoxys is a genus of flowering plant in the groundsel tribe within the sunflower family, native to North and South America.
Sciadocephala is a genus of Latin American plants in the tribe Eupatorieae within the family Asteraceae.
Condylopodium is a genus of flowering plants in the family Asteraceae.
Critoniadelphus is a genus of flowering plants in the family Asteraceae.
Critoniella is a genus of South American flowering plants in the family Asteraceae.
Dasycondylus is a genus of flowering plants in the family Asteraceae.
Grazielia is a genus of South American flowering plants in the family Asteraceae.
Helogyne is a genus of South American flowering plants in the family Asteraceae.
Idiothamnus is a genus of South American flowering plants in the family Asteraceae.
Kyrsteniopsis is a genus of Mexican flowering plants in the family Asteraceae.
Nothobaccharis is a genus of Peruvian flowering plants in the tribe Eupatorieae within the family Asteraceae.
Polyanthina is a genus of flowering plants in the tribe Eupatorieae within the family Asteraceae.
Chromolaena squalida is a South American species of flowering shrub in the family Asteraceae. It is found in Brazil, Paraguay, Bolivia, Peru, Colombia, Venezuela, Guyana, Suriname.
