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).
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.
Schenckochloa is a monotypic genus of flowering plants belonging to the family Poaceae. It only contains one known species, Schenckochloa barbata(Hack.) J.J.Ortíz
Swinglea is a monotypic genus of flowering plants belonging to the family Rutaceae. It only contains a single species, Swinglea glutinosa.
Tourrettia is a monotypic genus of flowering plants belonging to the family Bignoniaceae. It only contains one known species, Tourrettia lappacea(L'Hér.) Willd. The genus of Tourrettia has 2 known synonyms, DombeyaL'Hér. and MedicaCothen. It is also in Tribe Tourrettieae.
Periclesia is a monotypic genus of flowering plants belonging to the family Ericaceae. It only contains one known species, Periclesia flexuosaA.C.Sm. It is also with the Vaccinioideae subfamily and the Vaccinieae tribe.
Thepparatia is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one known species, Thepparatia scandens(Roxb. ex G.Don) Phuph.
Suchtelenia is a monotypic genus of flowering plant belonging to the family Boraginaceae. It only contains one known species, Suchtelenia calycina(C.A.Mey.) DC.
Mairetis is a monotypic genus of flowering plants belonging to the family Boraginaceae. It only contains one known species, Mairetis microsperma(Boiss.) I.M.Johnst.
Marcania is a monotypic genus of flowering plants belonging to the family Acanthaceae. It only contains one known species, Marcania grandifloraJ.B.Imlay
Neobrittonia is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one known species, Neobrittonia acerifolia
Pitraea is a monotypic genus of flowering plants belonging to the family Verbenaceae. It only contains one known species, Pitraea cuneato-ovata(Cav.) Caro
Pisoniella is a monotypic genus of flowering plants belonging to the family Nyctaginaceae. It only contains one known species, Pisoniella arborescens(Lag. & Rodr.) Standl.
Oldfeltia is a genus of flowering plants belonging to the family Asteraceae. It contains only one known species, Oldfeltia polyphlebia.
Ottoschmidtia is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, Ottoschmidtia microphylla(Griseb.) Urb.
Petitiocodon is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, Petitiocodon parviflorum(Keay) Robbr.
Portenschlagiella is a monotypic genus of flowering plants belonging to the family Apiaceae. It has one known synonym of PortenschlagiaVis. It only contains one known species, Portenschlagiella ramosissima(Port.) Tutin
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
Sebastiano-schaueria is a monotypic genus of flowering plants belonging to the family Acanthaceae. The only known species is Sebastiano-schaueria oblongata.
Pierranthus is a monotypic genus of flowering plants belonging to the family Linderniaceae. The only known species is Pierranthus capitatus(Bonati) Bonati.
