Eupatorium is a genus of flowering plants in the family Asteraceae, containing from 36 to 60 species depending on the classification system. Most are herbaceous perennials growing to 0.5–3 m (1.6–9.8 ft) tall. A few are shrubs. The genus is native to temperate regions of the Northern Hemisphere. Most are commonly called bonesets, thoroughworts or snakeroots in North America. The genus is named for Mithridates Eupator, king of Pontus.
Chromolaena is a genus of about 165 species of perennials and shrubs in the family Asteraceae. The name is derived from the Greek words χρῶμα (khrôma), meaning "color", and χλαῑνα (khlaīna) or λαῑνα (laīna) meaning "cloak". It refers to the colored phyllaries of some species. Members of the genus are native to the Americas, from the southern United States to South America. One species, Chromolaena odorata, has been introduced to many parts of the world where it is considered a weed.
Bidens laevis is a species of flowering plant in the daisy family known by the common names larger bur-marigold and smooth beggarticks. It is native to South America, Mexico, and the southern and eastern United States. It grows in wetlands, including estuaries and riverbanks.
Tamaulipa is a genus of flowering plants in the tribe Eupatorieae within the family Asteraceae. It is monotypic, being represented by the single species Tamaulipa azurea, commonly known as blue boneset. The generic name refers to the State of Tamaulipas in northeastern Mexico, and to the Tamaulipan mezquital scrubland, which covers much of the state. The species also occurs in the extreme southern part of Texas in the United States. It is a climbing shrub or non-twining vine that grows to about 2 to 3 m and has bluish or blue lavender flowers.
Parodiolyra is a genus of Neotropical plants in the grass family.
- Parodiolyra aratitiyopensisJ.R.Grande - Venezuela (Amazonas)
- Parodiolyra colombiensisDavidse & Zuloaga - Colombia (Caquetá)
- Parodiolyra lateralis(J.Presl ex Nees) Soderstr. & Zuloaga - Nicaragua, Costa Rica, Panama, Colombia, Venezuela, Guyana, Suriname, Ecuador, Peru, Brazil
- Parodiolyra luetzelburgii(Pilg.) Soderstr. & Zuloaga - Brazil, Colombia, Venezuela, Guyana, Suriname, French Guiana
- Parodiolyra micrantha(Kunth) Davidse & Zuloaga - Brazil, Colombia, Venezuela, Guyana, Suriname, French Guiana, Peru, Bolivia, Argentina, Paraguay
- Parodiolyra ramosissima(Trin.) Soderstr. & Zuloaga - Brazil (Bahia)
Jaltomata procumbens, the creeping false holly, is a plant species native to Arizona, USA, Mexico, Central America, Colombia, Ecuador, and Venezuela. It grows as a weed in agricultural fields and other disturbed locations, but in many places the people protect it because of the edible fruits it produces.
Macroscepis is a genus of plants in the family Apocynaceae, first described as a genus in 1819. It is native to Latin America and the West Indies.
Chromolaena frustrata called Cape Sable false thoroughwort, or Cape Sable thoroughwort, is a rare North American species of flowering shrub in the family Asteraceae. It is found only in southern Florida, on the Florida Keys, inside Everglades National Park, and other nearby low-lying areas. It grows on coastal rock outcrops, the edges of hammocks, and other undisturbed sites at elevations less than 10 meters above sea level.
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.
Chromolaena borinquensis, the limestone thoroughwort, is a West Indian species of flowering shrub in the family Asteraceae. It is native to the Commonwealth of Puerto Rico, part of the United States.
Chromolaena geraniifolia, the geraniumleaf thoroughwort, is a West Indian species of flowering shrub in the family Asteraceae. It is native to the Commonwealth of Puerto Rico, part of the United States.
Chromolaena hirsuta is a South American species of flowering shrub in the family Asteraceae. It is native to Brazil, Bolivia, Uruguay, and Argentina.
Chromolaena sinuata, the wavyleaf thoroughwort, is a Caribbean species of flowering shrub in the family Asteraceae. It is found on the Islands of Cuba, Hispaniola, Puerto Rico, Guadeloupe, Martinique, La Desirade, Montserrat, St. Eustatius, and Antigua.
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.
Egletes viscosa, the erect tropical daisy, is a New World species of flowering plant in the family Asteraceae. It is widespread across much of South America, Central America, Mexico, and the West Indies, just barely crossing the US border into the southernmost county in Texas.
Elephantopus mollis, common names tobacco weed, and soft elephantsfoot, is a tropical species of flowering plant in the family Asteraceae.
Erechtites valerianifolius, common name tropical burnweed is a New World species of plants in the sunflower family. It is native to Mexico, Central America, South America, and the West Indies. It is also naturalized as a weed in much of the tropical Old World.
Hypochaeris microcephala, the smallhead cat's ear, is a species of plants in the tribe Cichorieae within the family Asteraceae. It is native to South America and naturalized in parts of North America.
Koanophyllon villosum, the Florida Keys thoroughwort, or abre camino, is a species of flowering plant in the family Asteraceae. It grows in southern Florida, Cuba, the Bahamas, Hispaniola, Jamaica, and the Islas de la Bahía.
Allenrolfea is a genus of shrubs in the family Amaranthaceae. The genus was named for the English botanist Robert Allen Rolfe. There are three species, ranging from North America to South America.
