Robert Merrill King

Chromolaena odorata is also known as jack in the bush. It is a tropical and subtropical species of flowering shrub in the family Asteraceae. It is native to the Americas, from Florida and Texas in the United States south through Mexico and the Caribbean to South America. It has been introduced to tropical Asia, West Africa, and parts of Australia.

Ageratina altissima, also known as white snakeroot, richweed, or white sanicle, is a poisonous perennial herb in the family Asteraceae, native to eastern and central North America. An older binomial name for this species is Eupatorium rugosum, but the genus Eupatorium has undergone taxonomic revision by botanists, and some species once included in it have been moved to other genera.

Ageratina adenophora (synonym Eupatorium adenophorum), commonly known as Crofton weed, is a species of flowering plant in the family Asteraceae native to Mexico. Originally grown as an ornamental plant, it has become invasive into farmland and bushland worldwide. It is toxic to horses, which develop a respiratory disease known as Numinbah horse sickness after eating it.

Neomirandea is a genus of Central American and South American flowering plants in the boneset tribe within the sunflower family. Species

Ayapana triplinervis (aya-pana, water hemp) is a tropical American shrub in the family Asteraceae. This plant has long slender leaves which are often used in traditional medicine. The flowers are pale pink and the thin, hairless stem is reddish in color.

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. Species

Acritopappus is a genus of flowering plants in the family Asteraceae described as a genus in 1972. The entire genus is endemic to Brazil.

Stomatanthes is a genus of African and South American plants in the tribe Eupatorieae within the family Asteraceae.

Kaunia is a genus of shrubs or small trees in the family Asteraceae. The species of the genus are found in South America with a range centered on Bolivia and also found in Argentina, southern Brazil, Peru and Ecuador. Genus is named for Edward Kaun of Baltimore, Maryland, USA. Species

Guayania is a genus of South American flowering plants in the family Asteraceae. Species include: Guayania bulbosa (Aristeg.) R.M.King & H.Rob. Guayania cerasifolia (Sch.Bip. ex Baker) R.M.King & H.Rob. Guayania crassicaulis (Steyerm.) R.M.King & H.Rob. Guayania penninervata (Wurdack) R.M.King & H.Rob. Guayania roupalifolia (B.L.Rob.) R.M.King & H.Rob. Guayania yaviana (Lasser & Maguire) R.M.King & H.Rob.

Grisebachianthus is a genus of Cuban flowering plants in the family Asteraceae. The genus is named in honor of German botanist August Heinrich Rudolf Grisebach, 1814–1879. Species All species are endemic to Cuba.

Cronquistianthus is a genus of shrubs native to the Andes in Colombia, Ecuador, and Peru. The genus is named after the American botanist Arthur John Cronquist (1919–1992). Species

Cavalcantia is a genus of flowering plants in the family Asteraceae, endemic to the State of Pará in Brazil. Species Cavalcantia glomerata (G.M.Barroso & R.M.King) R.M.King & H.Rob. - Pará Cavalcantia percymosa R.M.King & H.Rob. - Pará

Bishovia is a genus of flowering plants in the family Asteraceae. Genus is named for Dr. Luther Earl Bishop. Species Bishovia boliviensis R.M.King & H.Rob. - Bolivia Bishovia mikaniifolia (B.L.Rob.) R.M.King & H.Rob. - Argentina

Bartlettina is a genus of flowering plants in the family Asteraceae. They are native to tropical regions of Mesoamerica and South America. The genus was erected to house several plants separated from genus Eupatorium. These are shrubs or perennial herbs with woody bases. The oppositely arranged leaves have smooth or serrated edges. The flower heads contain tubular florets. The best known species may be the blue mist flower (B. sordida), which is cultivated as an ornamental plant and has become naturalized outside its native range. Species formerly included Bartlettina ehrenbergii (Hemsl.)

Badilloa is a genus of shrubs and small trees in the family Asteraceae. Badilloa is native to the Andes of northwestern South America, from Venezuela to Peru. Species

Ayapanopsis is a genus of flowering plants in the family Asteraceae. Species of the genus Ayapanopsis are native to the Andes of South America, from southern Colombia to Argentina. Species

Alomiella is a genus of flowering plants in the family Asteraceae, described as a genus in 1972. The genus is endemic to the State of Mato Grosso in Brazil. Species Alomiella hatschbachii R.M.King & H.Rob. - Mato Grosso Alomiella regnellii (Malme) R.M.King & H.Rob. - Mato Grosso

Acanthostyles is a genus of flowering plants in the family Asteraceae described as a genus in 1971. The entire genus is endemic to South America. Species Acanthostyles buniifolius (Hook. ex Hook. & Arn.) R.M.King & H.Rob. - Rio Grande do Sul, Argentina, Bolivia, Paraguay, Uruguay Acanthostyles saucechicoensis (Hieron.) R.M.King & H.Rob. - Argentina

Trichogoniopsis is a genus of Brazilian plants in the tribe Eupatorieae within the family Asteraceae. Species Trichogoniopsis adenantha (DC.) R.M.King & H.Rob. - Brazil (Minas Gerais, São Paulo, Bahia, Mato Grosso, Ceará, Paraná, Rio de Janeiro, Espírito Santo) Trichogoniopsis grazielae Soar.Nunes - Brazil (Pernambuco) Trichogoniopsis morii R.M.King & H.Rob. - Brazil (Bahia) Trichogoniopsis podocarpa (DC.) R.M.King & H.Rob. - Brazil (Rio de Janeiro)

Steyermarkina is a genus of South American plants in the tribe Eupatorieae within the family Asteraceae. The genus name of Steyermarkina is in honour of Julian Alfred Steyermark (1909–1988), an American botanist. Species Steyermarkina dispalata (Gardner) R.M.King & H.Rob. - Paraná, Minas Gerais, São Paulo, Rio de Janeiro Steyermarkina dusenii (Malme) R.M.King & H.Rob. - Paraná, Santa Catarina Steyermarkina pyrifolia (DC.) R.M.King & H.Rob. - Bahia, Espírito Santo, Paraná, Santa Catarina, Minas Gerais, São Paulo, Rio de Janeiro Steyermarkina triflora R.M.King & H.Rob. - State of Trujillo in

Steviopsis is a genus of Mexican plants in the tribe Eupatorieae within the family Asteraceae.

Raulinoreitzia is a genus of South American plants in the tribe Eupatorieae within the family Asteraceae. Species Raulinoreitzia crenulata (Spreng.) R.M.King & H.Rob. - Brazil, Bolivia, Argentina, Peru, Paraguay Raulinoreitzia leptophlebia (B.L.Rob.) R.M.King & H.Rob. - Rio Grande do Sul Raulinoreitzia tremula (Hook. & Arn.) R.M.King & H.Rob. - Brazil, Bolivia, Argentina

Pseudobrickellia is a genus of Brazilian plants in the tribe Eupatorieae within the family Asteraceae. Species Pseudobrickellia angustissima (Spreng. ex Baker) R.M.King & H.Rob. - Bahia, Piauí, Minas Gerais, D.F., Goiás Pseudobrickellia brasiliensis (Spreng.) R.M.King & H.Rob. - Amazonas, Rondônia, Tocantins, Bahia, Ceará, Piauí, Minas Gerais, D.F., São Paulo, Goiás, Mato Grosso, Mato Grosso do Sul Pseudobrickellia irwinii R.M.King & H.Rob. - Minas Gerais, D.F.

Pleurocoronis is a genus of North American shrubs or subshrubs native to the southwestern United States and northwestern Mexico. It is in the tribe Eupatorieae within the family Asteraceae. All known members had been considered members of the related genus Hofmeisteria before being moved to Pleurocoronis. Species Pleurocoronis gentryi (Wiggins) R.M.King & H.Rob. - Baja California, Baja California Sur Pleurocoronis laphamioides (Rose) R.M.King & H.Rob. - Baja California, Baja California Sur, Sonora Pleurocoronis pluriseta (A.Gray) R.M.King & H.Rob. - California, Nevada, Arizona, Utah, Baja

Platypodanthera is a genus of plants in the tribe Eupatorieae within the family Asteraceae.

Peteravenia is a genus of Mesoamerican plants in the tribe Eupatorieae within the family Asteraceae. The genus is named for US botanist Peter H. Raven. Species Peteravenia cyrilli-nelsonii (Ant.Molina) R.M.King & H.Rob. - Honduras Peteravenia grisea (J.M.Coult.) R.M.King & H.Rob. - Honduras, Guatemala, Nicaragua description Nash, Flora of Guatemala Peteravenia malvifolia (DC.) R.M.King & H.Rob. - Nuevo León, San Luis Potosí Peteravenia phoenicolepis (B.L.Rob.) R.M.King & H.Rob. - Guatemala, El Salvador, Honduras, Mexico (Chiapas) Peteravenia schultzii (Schnittsp.) R.M.King & H.Rob. -

Neocuatrecasia is a genus of South American flowering plants in the tribe Eupatorieae within the family Asteraceae. The genus is named in honor of Spanish botanist José Cuatrecasas (1903–1996). Species

Neocabreria is a genus of Brazilian flowering plants in the tribe Eupatorieae within the family Asteraceae. The genus is named in honor of Argentine botanist Angel L. Cabrera. Species Neocabreria catharinensis (Cabrera) R.M.King & H.Rob. - Santa Catarina Neocabreria malachophylla (Klatt) R.M.King & H.Rob. - Paraná, Santa Catarina, Rio Grande do Sul, São Paulo Neocabreria pennivenia (B.L.Rob.) R.M.King & H.Rob. - Paraná, Minas Gerais Neocabreria serrulata (DC.) R.M.King & H.Rob. - Paraná, Santa Catarina, Rio Grande do Sul, Minas Gerais formerly included Neocabreria concinna (DC.) R.M.King &

Morithamnus is a genus of Brazilian flowering plants in the tribe Eupatorieae within the family Asteraceae. Species Morithamnus crassus R.M.King, H.Rob. & G.M.Barroso - State of Bahia in eastern Brazil Morithamnus ganophyllus (Mattf. ex Pilg.) R.M.King & H.Rob. - State of Bahia in eastern Brazil