Not an accepted name (status: unknown). The accepted name is Carex uruguensis Boeckeler, 1886.

Carex uruguensis var. angustata (Kük.) Kük., 1909 2% complete

No common name

H.G.A.Engler (ed.), Pflanzenr., IV, 20(38): 149 (1909)

There is no corrections for Carex uruguensis var. angustata yet.