Steyermarkochloa is a genus of plants in the grass family. The only known species is Steyermarkochloa angustifolia(Spreng.) Judz., which is native to Colombia (Guainía), Venezuela (Amazonas), and Brazil (Amazonas).
Viviania is a genus of flowering plants belonging to the family Francoaceae.
Lamanonia is a genus of trees in the family Cunoniaceae. It is endemic to South America.
Reissekia is a monotypic genus of flowering plants belonging to the family Rhamnaceae. It only contains one known species, Reissekia smilacina(Sm.) Steud.
Thinouia is a genus of flowering plants belonging to the family Sapindaceae. It is also in the Sapindoideae subfamily and Paullinieae tribe.
Thepparatia is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one known species, the liana Thepparatia scandens.
Suckleya is a monotypic genus of flowering plant belonging to the family Amaranthaceae. It only contains one known species, Suckleya suckleyana(Torr.) Rydb.
Koordersiodendron is a monotypic genus of flowering plants belonging to the family Anacardiaceae. It only contains one known species, Koordersiodendron pinnatum(Blanco) Merr.
Ledebouriella is a monotypic genus of flowering plants belonging to the family Apiaceae. It only contains one known species, Ledebouriella multiflora(Ledeb.) H.Wolff.
Molinaea is a genus of flowering plants belonging to the family Sapindaceae.
Neobaclea is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one known species, Neobaclea crispifolia(Cav.) Krapov.
Schouwia is a monotypic genus of flowering plants belonging to the family Brassicaceae. It only contains one known species, Schouwia purpurea(Forssk.) Schweinf.
Pitraea is a monotypic genus of flowering plants belonging to the family Verbenaceae. It only contains one known species, Pitraea cuneato-ovata(Cav.) Caro
Hollermayera is a monotypic genus of flowering plants belonging to the family Brassicaceae. It only contains one species, Hollermayera valdiviana(Phil.) Ravenna
Stewartiella is a monotypic genus of flowering plants belonging to the family Apiaceae. According to Kew; it only contains one known species, Stewartiella crucifolia(Gilli) Hedge & Lamond
Schunkea is a monotypic genus of flowering plants belonging to the family Orchidaceae. The only known species is Schunkea vierlingii.
Schimpera is a monotypic genus of flowering plants belonging to the family Brassicaceae. The only species is Schimpera arabica.
Doerpfeldia is a monotypic genus of flowering plants belonging to the family Rhamnaceae. The only species is Doerpfeldia cubensis.
Krukoviella is a monotypic genus of flowering plants belonging to the family Ochnaceae. It has one synonym PlanchonellaTiegh. The only species is Krukoviella disticha(Tiegh.) Dwyer
Merrilliodendron is a monotypic genus of flowering plants belonging to the family Icacinaceae. It has a synonym of PeekeliodendronSleumer. The only species is Merrilliodendron megacarpum(Hemsl.) Sleumer
