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.
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.
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.
Symphyotrichum campestre is a species of flowering plant of the family Asteraceae commonly known as western meadow aster. It is native to much of western North America where it grows in many habitats, generally at some elevation.
Symphyotrichum lentum is a species of flowering plant in the family Asteraceae with the common name of Suisun Marsh aster. It is a perennial and herbaceous plant endemic to the marshes of Sacramento-San Joaquin River Delta of Northern California.
Symphyotrichum georgianum is a rare species of flowering plant in the Asteraceae, the aster family. Its common name is Georgia aster. It is native to the southeastern United States where it is known from Alabama, Florida, Georgia, North Carolina, and South Carolina. As of 2013, it may be extirpated from the state of Florida.
Arnoglossum album, the Bay County Indian plantain, is a rare Florida species of plants in the sunflower family, first described to modern science in 1998. It has been found only in Bay and Gulf Counties in the Florida Panhandle.
Balduina atropurpurea, the purpledisk honeycombhead, is a North American species of plants in the sunflower family. It is native to the southeastern United States.
Boltonia apalachicolensis, common name Apalachicola doll's-daisy, is a North American species of plants in the family Asteraceae. It is found only in the "panhandle" region of northwestern Florida in the United States.
Chromolaena ivifolia called ivy-leaf false thoroughwort, or ivyleaf thoroughwort, is a species of flowering shrub in the family Asteraceae. It is native to North America and South America, from the south-eastern United States to Argentina.
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 oteroi, the Mona Island thoroughwort, is a species of flowering shrub in the family Asteraceae. It has been found only on Mona Island, a small island between Puerto Rico and Hispaniola in the West Indies and politically a part of the Commonwealth of Puerto Rico.
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.
Coreopsis integrifolia, the fringeleaf tickseed or mouse-ear tickseed, is a North American plant species of the family Asteraceae. It is native to the southeastern United States, in South Carolina, Georgia, and northern Florida.
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.
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.
Symphyotrichum chapmanii is a species of flowering plant in the family Asteraceae native to the Apalachicola River drainage basin of Alabama and Florida. Commonly known as savanna aster, it is a perennial, herbaceous plant that may reach 30 to 80 centimeters tall. Its flowers have purple to blue-lavender ray florets and pale yellow disk florets. It is a wetland species and is of conservation concern. It may be extirpated in Alabama.
