Monotypic Cyperaceae genera

Reedia is a monotypic genus of flowering plants belonging to the family Cyperaceae. It only contains one known species, Reedia spathacea, a perennial rhizomatous geophyte endemic to Southwest Australia.

Actinoscirpus is a monospecific genus in the family Cyperaceae which contains only the species Actinoscirpus grossus, the greater club rush. It is found across East and South Asia and is known in China as , rumput menderong in Malaysian, and kasheruka within Ayurvedic medicine, which uses the tubers as an antiemetic and treatment for liver and digestive diseases. It is a perennial plant that grows rapidly with long rhizomes that end in small tubers. A. grossus is considered a "principal" weed of rice in some Southeast Asian countries. It is abundant in swampy or inundated areas, such as marshe

thumb|right|alt=Lepironia articulata at freshwater marsh next to an oil-palm plantation|Lepironia articulata Lepironia is a genus of the sedge family, comprising only one species, Lepironia articulata, known as the grey sedge. It is found in Madagascar, India, Sri Lanka, southern China, Southeast Asia (Malaysia, Indochina, Indonesia), New Guinea, and various islands of the western Pacific (Ryukyu Islands, Caroline Islands, Fiji, Tonga, New Caledonia). It also occurs in northern and eastern Australia, as far south as Thirlmere Lakes National Park in New South Wales.

Hellmuthia is a monotypic genus of flowering plants belonging to the family Cyperaceae. The only species is Hellmuthia membranacea.

Afroscirpoides is a genus of flowering plants belonging to the family Cyperaceae. It includes a single species, Afroscirpoides dioeca, a perennial rhizomatous geophyte sedge native to Botswana, Namibia, and the Cape Provinces, Free State, and Northern Provinces of South Africa.

Microdracoides is a monotypic genus of flowering plants belonging to the family Cyperaceae. The only species is Microdracoides squamosa.

Amphiscirpus is a monotypic genus of flowering plants in the sedge family containing the single species Amphiscirpus nevadensis, which is known by the common name Nevada bulrush.