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.
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 latifoliaA.C.Sm.
Demosthenesia is a genus of flowering plants belonging to the family Ericaceae.
Escobedia is a genus of flowering plants belonging to the family Orobanchaceae.
Koordersiodendron is a monotypic genus of flowering plants belonging to the family Anacardiaceae. It only contains one known species, Koordersiodendron pinnatum(Blanco) Merr.
Lipskya is a monotypic genus of flowering plants belonging to the family Apiaceae. It only contains one known species, 'Lipskya insignis'(Lipsky) Nevski
Lucya is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, 'Lucya tetrandra'(L.) K.Schum.
Lundinia is a genus of flowering plants belonging to the family Asteraceae. It only contains one known species, Lundinia plumbea(Griseb.) B.Nord.
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 seperated from.
Moriera is a monotypic genus of flowering plants belonging to the family Brassicaceae. It only contains one known species, Moriera spinosaBoiss.
Hegnera is a monotypic genus of flowering plants belonging to the family Fabaceae. The only species is Hegnera obcordata.
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
Linnaeosicyos is a monotypic genus of flowering plants belonging to the family Cucurbitaceae. The only species is Linnaeosicyos amara(L.) H.Schaef. & Kocyan.
Metternichia is a monotypic genus of flowering plants belonging to the family Solanaceae. The only species is Metternichia principisJ.C.Mikan.
Morsacanthus is a monotypic genus of flowering plants belonging to the family Acanthaceae. The only species is Morsacanthus nemoralisRizzini.
Nectouxia is a monotypic genus of flowering plants belonging to the family Solanaceae. The only species is Nectouxia formosa. It is in the Solanoideae subfamily and in Subtribe Salpichroinae, which is a subtribe of Physaleae.
Nepsera is a monotypic genus of flowering plants belonging to the family Melastomataceae. The only species is Nepsera aquatica.
Perryodendron is a monotypic genus of flowering plants belonging to the family Rutaceae. The only known species is Perryodendron parviflorum.
