1. Carex firmula (Kük.) J.R.Starr, Bot. J. Linn. Soc. 179: 32 (in Global Carex Group, 2015).

Uncinia tenuis f. firmula Kük., Repert. Spec. Nov. Regni Veg. 16: 433 (1920) [basionym]

Lectotype (designated by Wheeler, 2007): ― CHILE, Juan Fernández Islands, Masafuera, Cordón del Barril, 925 m, 1 Mar 1917, C. & I. Skottsberg 561 (GB- 0048946 digital image!; iso- BM-000938421 digital image!, S-07-13560 digital image!)