Agonandra is a genus of plants in the family Opiliaceae described as a genus in 1862.
Brewcaria is a genus of plants in the family Bromeliaceae. The genus is named for Charles Brewer-Carías, Venezuelan explorer and naturalist. Some authorities treat Brewcaria as a synonym of Navia. It contains 6 known species, all native to Colombia and Venezuela.
Tonina fluviatilis is a plant species in the Eriocaulaceae. It is the sole species in the monotypic genus Tonina, native to southern Mexico, Central America, northern South America, Cuba and Trinidad.
Thoracocarpus is a genus of plants first described as a genus in 1958. It contains only one known species, Thoracocarpus bissectus a hemiepiphytic vine. It is native to Costa Rica, Panama, Cuba, Trinidad and Tobago, and South America.
Raddiella is a genus of Neotropical plants in the grass family native to South America, Panama and Trinidad.
- Raddiella esenbeckii(Steud.) C.E.Calderón ex Soderstr. - Brazil, Bolivia, Colombia, Venezuela, French Guiana, Suriname, Guyana, Trinidad, Panama
- Raddiella kaieteuranaSoderstr. - Venezuela (Bolívar), Suriname, Guyana, Brazil (Pará)
- Raddiella lunataZuloaga & Judz. - Rondônia, Mato Grosso
- Raddiella malmeana(Ekman) Swallen - Pará, Mato Grosso
- Raddiella minimaJudz. & Zuloaga - Pará, Mato Grosso
- Raddiella molliculma(Swallen) C.E.Calderón ex Soderstr. - Caquetá
- Raddiella potaroensisSoderstr. - Venezuela (Bolívar), Guyana
- Raddiella vanessiaeJudz. - French Guiana
Rehia is a genus of plants in the grass family. The only known species is Rehia nervata, native to Brazil and to the Guianas.
Steirachne is a genus of South American plants in the grass family.
Streptostachys is a genus of South American plants in the grass family.
Amasonia is a genus of plants in the family Lamiaceae, native to South America and to the island of Trinidad.
Euterpe catinga is a palm species in the genus Euterpe. It is found in forests of a dry, sandy soil and very peculiar vegetation, known as catinga forests or Campinarana in northern South America.
Maxillaria petiolaris, synonym Hylaeorchis petiolaris, is a species of epiphytic orchids native to northwestern South America. When placed in the genus Hylaeorchis, it was the only species.
Cornutia is a genus of plants in the family Lamiaceae, first described in 1753. Species in this genus are native to tropical parts of the Western Hemisphere, including southern Mexico, Central America, the West Indies, and northern South America.
Evodianthus is a genus of plants first described as a genus in 1857. It contains only one known species, Evodianthus funifer, native to Trinidad & Tobago, Central America and northern South America.
Miersiella is a monotypic genus of flowering plants in the Burmanniaceae, first described as a genus in 1903. It contains only one known species, Miersiella umbellataUrb. It is native to South America.
Dictyostega is a genus of flowering plants in the Burmanniaceae, first described as a genus in 1840. It contains only one known species, Dictyostega orobanchoides, native to southern Mexico, Central America, Trinidad, and South America ).
Blepharodon is a genus of plant in the family Apocynaceae, first described as a genus in 1844. They are native primarily to South America, with one species extending into Central America and Mexico.
Thurnia is a group of herbaceous plants described as a genus in 1883.
Leretia is a monotypic genus of flowering plants belonging to the family Icacinaceae. The only species is Leretia cordataVell.
Oserya is a genus of flowering plants belonging to the family Podostemaceae. Its native range is northern South America, and it is found in Bolivia, Brazil, French Guiana, Guyana, Suriname and Venezuela.
Benjaminia is a monotypic genus of flowering plants belonging to the family Plantaginaceae. It only contains one known species, Benjaminia reflexa(Benth.) D'Arcy.
