Carex catharinensis

Carex catharinensis is a tussock-forming species of perennial sedge in the family Cyperaceae. It is native to parts of eastern parts of South America.
The sedge has a short rhizome and forms can form a dense turf with many stems from the same root. It has stems with a triangular cross-section and a rough texture. The leaves can be flat or have a corrugated appearance.
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. It has one synonym; Carex fuscula subsp. catharinensis.
It is situated in subtropical biomes from southern and south eastern Brazil through Uruguay and northern Argentina.