Monotypic Brassicaceae genera

Raphanorhyncha is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Raphanorhyncha crassa, which is endemic to Chihuahua state in northeastern Mexico, where it grows in deserts and dry shrublands.

Quezeliantha is a monotypic genus of flowering plants belonging to the family Brassicaceae. It only contains one known species, Quezeliantha tibestica, a biennial endemic to the northwestern Tibesti Mountains in the central Sahara of northern Chad.

Lycocarpus is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Lycocarpus fugax, an annual native to southeastern Spain.

Cordylocarpus is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Cordylocarpus muricatus, which is native to Algeria and Morocco.

Robeschia is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Robeschia schimperi, an annual native to the Eastern Mediterranean (Syria to Sinai) and to Iran, Afghanistan, and Pakistan, where it grows in deserts and dry shrublands.

Otocarpus is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Otocarpus virgatus, which is endemic to Algeria.

Lachnocapsa spathulata is a species of flowering plant in the family Brassicaceae, and the only species in the genus Lachnocaspa. It is found only on Socotra, Yemen. Its natural habitats are subtropical or tropical dry shrubland and rocky areas.

Kremeriella is a monotypic genus of flowering plants belonging to the family Brassicaceae. It has one known synonym Kremeria . It only contains one species, Kremeriella cordylocarpus (Coss. & Durieu) Maire.

Ptilotrichum is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Ptilotrichum canescens, a subshrub native to temperate Asia, which ranges from southern Siberia to northern China and the western Himalaya.

Delpinophytum is a monotypic genus of flowering plants belonging to the family Brassicaceae, with one species, Delpinophytum patagonicum, a subshrub native to southern Argentina.

Botschantzevia is a monotypic genus of flowering plants belonging to the family Brassicaceae. The only species in the genus is Botschantzevia karatavica.

Eremophyton is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Eremophyton chevallieri, an annual native to the northern Sahara of Algeria, Libya, and Morocco.

Asperuginoides is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Asperuginoides axillaris, an annual which ranges from the southern Transcaucasus to Iran, Afghanistan, Central Asia, Pakistan, and the western Himalaya.

Crambella is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Crambella teretifolia, which is endemic to Morocco.

Fezia is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Fezia pterocarpa, which is endemic to Morocco.

Streptanthella is a genus of flowering plant in the family Brassicaceae. It includes a single species, Streptanthella longirostris, which is known by the common name longbeak streptanthella, or simply streptanthella. It is native to western North America, where it occurs throughout the western United States and the northwestern states of Mexico. It grows in many types of habitat, including deserts, sagebrush, foothill woodlands, sandy flats, chaparral, and scrubby canyons.

Oreophyton is a genus of flowering plants belonging to the family Brassicaceae.

Schimpera is a monotypic genus of flowering plants belonging to the family Brassicaceae. The only species is Schimpera arabica.

Psychine is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Psychine stylosa, which is native to Algeria, Morocco, and Tunisia.

Muricaria is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Muricaria prostrata, which is native to Algeria, Libya, Morocco and Tunisia in North Africa.

Drabastrum is a monotypic genus of herbs or subshrubs in the family Brassicaceae. The sole species is Drabastrum alpestre (Mountain Cress) which is native to New South Wales and Victoria in Australia.

Glastaria is a monotypic genus of flowering plants belonging to the family Brassicaceae. It only contains a single species, Glastaria glastifolia. It is an annual which ranges from southeastern Turkey through Lebanon and Syria to Jordan and northern Iraq.

Andrzeiowskia is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Andrzeiowskia cardamine, an annual native to Bulgaria, European and Asiatic Turkey, Cyprus, Lebanon, Syria, and the northern Caucasus.

Iodanthus pinnatifidus, commonly known as purplerocket, is a species of flowering plant in the mustard family. It is monotypic, with no other species in the genus Iodanthus.

Gynophorea is a monotypic genus of flowering plants belonging to the family Brassicaceae. It contains a single species, Gynophorea weileri. It is a subshrub endemic to Afghanistan, where it grows in subalpine areas.

Quidproquo is a genus of flowering plants in the family Brassicaceae. It contains a single species, Quidproquo confusum, an annual native to Israel, Lebanon, and southern Syria.