This name is a synonym.
Kobresia nudicarpa (Y.C.Yang) S.R.Zhang, Acta Phytotax. Sin. 33: 160 (1995).
Kobresia macrantha var. nudicarpa (Y.C.Yang) P.C.Li, Fl. Reipubl. Popularis Sin. 12: 26 (2000).
Blysmocarex macrantha subsp. nudicarpa (Y.C.Yang) D.S.Deng, Guihaia 22: 120 (2002).
Carex nudicarpa (Y.C.Yang) S.R.Zhang, Bot. J. Linn. Soc. 179: 23 (2015).