Carex mandoniana is a tussock-forming species of perennial sedge in the family Cyperaceae. It is native to western parts of South America.[1]
The species was first formally described by the botanist Johann Otto Boeckeler in 1896 as a part of the work Allgemeine Botanische Zeitschrift für Systematik, Floristik, Pflanzengeographie. The type specimen was collected by Gilbert Mandon in 1859 in Bolivia.[2]