Moliniopsis is a monotypic genus of flowering plants belonging to the family Poaceae. It just contains one species, Moliniopsis japonica(Hack.) Hayata.
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.
Swinglea is a monotypic genus of flowering plants belonging to the family Rutaceae. It only contains a single species, Swinglea glutinosa.
Polyclita is a monotypic genus of flowering plants belonging to the family Ericaceae. It only contains one known species, Polyclita turbinata(Kuntze) A.C.Sm.
Naudinia is a monotypic genus of flowering plants belonging to the family Rutaceae. It only contains one known species, Naudinia amabilis Planch. & Linden
Hedstromia is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one species, Hedstromia latifolia.
Lenzia is a monotypic genus of flowering plants belonging to the family Montiaceae. It only contains one known species, Lenzia chamaepitysPhil.
Lipskya is a monotypic genus of flowering plants belonging to the family Apiaceae. It only contains one known species, Lipskya insignis. It is also in tribe Pyramidoptereae.
Lundinia is a genus of flowering plants belonging to the family Asteraceae. It only contains one known species, Lundinia plumbea.
Reedia is a monotypic genus of flowering plants belonging to the family Cyperaceae. It only contains one known species, Reedia spathaceaF.Muell, endemic to south-western Australia.
Pitraea is a monotypic genus of flowering plants belonging to the family Verbenaceae. It only contains one known species, Pitraea cuneato-ovata(Cav.) Caro
Pintoa is a monotypic genus of flowering plants belonging to the family Zygophyllaceae. It only contains one known species, Pintoa chilensisGay
Guiraoa is a monotypic genus of flowering plants belonging to the family Brassicaceae. It only contains one species, Guiraoa arvensisCoss.
Pennellianthus is a monotypic genus of flowering plants belonging to the family Plantaginaceae. It only contains one known species, Pennellianthus frutescens(Lamb.) Crosswh. The genus is within the Tribe Cheloneae along with Penstemon, from which Pennellianthus was separated from.
Reicheella is a genus of flowering plants belonging to the family Caryophyllaceae. It has a synonym of BryopsisReiche, and only contains one known species, Reicheella andicola(Phil.) Pax
Hollermayera is a monotypic genus of flowering plants belonging to the family Brassicaceae. It only contains one species, Hollermayera valdiviana(Phil.) Ravenna
Ruizodendron is a monotypic genus of flowering plants belonging to the family Annonaceae. It is part of Malmeoideae subfamily and Malmeeae tribe. The only known species is Ruizodendron ovale.
Linnaeosicyos is a monotypic genus of flowering plants belonging to the family Cucurbitaceae. The only species is Linnaeosicyos amara(L.) H.Schaef. & Kocyan.
Morsacanthus is a monotypic genus of flowering plants belonging to the family Acanthaceae. The only species is Morsacanthus nemoralisRizzini.
Nepsera is a monotypic genus of flowering plants belonging to the family Melastomataceae. The only species is Nepsera aquatica.
