Parahyparrhenia
Parahyparrhenia is a genus of Afro-Asian plants in the grass family. Globally, the genus comprises seven species. Two species are known to occur in India, where they are narrow endemic. The species show disjunct distribution in Africa and Asia. Parahyparrhenia bellariensis Clayton an extremely rare grass which was presumed extinct was rediscovered after the span of 184 years from its type locality in the state of Andhra Pradesh, South India by Mr., an agrostologist at the Blatter Herbarium. Following its rediscovery, it has been classified as Critically Endangered by following the guidelines of IUCN Criteria and Category.
Recently, the genus was revised by, an Indian agrostologist, who also reviewed African and Thai species.
; SpeciesParahyparrhenia annua Clayton - Sahara + Sahel regions of AfricaParahyparrhenia bellariensis Clayton - Andhra PradeshParahyparrhenia khannae A. P. Tiwari & Chorghe - Gujarat & Madhya Pradesh, IndiaParahyparrhenia laegaardii Veldkamp - ThailandParahyparrhenia perennis Clayton - Burkina Faso, Guinea, Liberia, SenegalParahyparrhenia siamensis Clayton - Thailand, LaosParahyparrhenia tridentata Clayton - Thailand